[PATCH 048/100] drm/amdgpu: implement GFX 9.0 support

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From: Ken Wang <Qingqing.Wang@xxxxxxx>

Add support for gfx v9.0.

Signed-off-by: Ken Wang <Qingqing.Wang at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/Makefile   |    3 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu.h   |    2 +
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3291 +++++++++++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h |   35 +
 4 files changed, 3330 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
 create mode 100644 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index b5046fd..61f090f 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -70,7 +70,8 @@ amdgpu-y += \
 # add GFX block
 amdgpu-y += \
 	amdgpu_gfx.o \
-	gfx_v8_0.o
+	gfx_v8_0.o \
+	gfx_v9_0.o
 
 # add async DMA block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index d7257b6..c453f5b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -898,6 +898,8 @@ struct amdgpu_rlc {
 struct amdgpu_mec {
 	struct amdgpu_bo	*hpd_eop_obj;
 	u64			hpd_eop_gpu_addr;
+	struct amdgpu_bo	*mec_fw_obj;
+	u64			mec_fw_gpu_addr;
 	u32 num_pipe;
 	u32 num_mec;
 	u32 num_queue;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
new file mode 100644
index 0000000..bb93b0a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -0,0 +1,3291 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include <linux/firmware.h>
+#include "drmP.h"
+#include "amdgpu.h"
+#include "amdgpu_gfx.h"
+#include "soc15.h"
+#include "soc15d.h"
+
+#include "vega10/soc15ip.h"
+#include "vega10/GC/gc_9_0_offset.h"
+#include "vega10/GC/gc_9_0_sh_mask.h"
+#include "vega10/vega10_enum.h"
+#include "vega10/HDP/hdp_4_0_offset.h"
+
+#include "soc15_common.h"
+#include "clearstate_gfx9.h"
+#include "v9_structs.h"
+
+#define GFX9_NUM_GFX_RINGS     1
+#define GFX9_NUM_COMPUTE_RINGS 8
+#define GFX9_NUM_SE		4
+#define RLCG_UCODE_LOADING_START_ADDRESS 0x2000
+
+MODULE_FIRMWARE("amdgpu/vega10_ce.bin");
+MODULE_FIRMWARE("amdgpu/vega10_pfp.bin");
+MODULE_FIRMWARE("amdgpu/vega10_me.bin");
+MODULE_FIRMWARE("amdgpu/vega10_mec.bin");
+MODULE_FIRMWARE("amdgpu/vega10_mec2.bin");
+MODULE_FIRMWARE("amdgpu/vega10_rlc.bin");
+
+static const struct amdgpu_gds_reg_offset amdgpu_gds_reg_offset[] =
+{
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID0_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID0_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID0), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID0)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID1_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID1_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID1), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID1)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID2_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID2_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID2), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID2)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID3_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID3_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID3), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID3)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID4_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID4_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID4), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID4)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID5_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID5_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID5), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID5)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID6_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID6_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID6), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID6)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID7_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID7_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID7), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID7)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID8_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID8_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID8), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID8)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID9_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID9_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID9), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID9)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID10_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID10_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID10), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID10)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID11_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID11_SIZE),
+	       	SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID11), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID11)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID12_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID12_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID12), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID12)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID13_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID13_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID13), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID13)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID14_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID14_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID14), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID14)},
+	{SOC15_REG_OFFSET(GC, 0, mmGDS_VMID15_BASE), SOC15_REG_OFFSET(GC, 0, mmGDS_VMID15_SIZE),
+		SOC15_REG_OFFSET(GC, 0, mmGDS_GWS_VMID15), SOC15_REG_OFFSET(GC, 0, mmGDS_OA_VMID15)}
+};
+
+static const u32 golden_settings_gc_9_0[] =
+{
+	SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2), 0xf00ffeff, 0x00000400,
+	SOC15_REG_OFFSET(GC, 0, mmGB_GPU_ID), 0x0000000f, 0x00000000,
+	SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3), 0x00000003, 0x82400024,
+	SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE), 0x3fffffff, 0x00000001,
+	SOC15_REG_OFFSET(GC, 0, mmPA_SC_LINE_STIPPLE_STATE), 0x0000ff0f, 0x00000000,
+	SOC15_REG_OFFSET(GC, 0, mmTA_CNTL_AUX), 0xfffffeef, 0x010b0000,
+	SOC15_REG_OFFSET(GC, 0, mmTCP_CHAN_STEER_HI), 0xffffffff, 0x4a2c0e68,
+	SOC15_REG_OFFSET(GC, 0, mmTCP_CHAN_STEER_LO), 0xffffffff, 0xb5d3f197,
+	SOC15_REG_OFFSET(GC, 0, mmVGT_GS_MAX_WAVE_ID), 0x00000fff, 0x000003ff
+};
+
+static const u32 golden_settings_gc_9_0_vg10[] =
+{
+	SOC15_REG_OFFSET(GC, 0, mmCB_HW_CONTROL), 0x0000f000, 0x00012107,
+	SOC15_REG_OFFSET(GC, 0, mmCB_HW_CONTROL_3), 0x30000000, 0x10000000,
+	SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG), 0xffff77ff, 0x2a114042,
+	SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG_READ), 0xffff77ff, 0x2a114042,
+	SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1), 0x00008000, 0x00048000,
+	SOC15_REG_OFFSET(GC, 0, mmRMI_UTCL1_CNTL2), 0x00030000, 0x00020000,
+	SOC15_REG_OFFSET(GC, 0, mmTD_CNTL), 0x00001800, 0x00000800
+};
+
+#define VEGA10_GB_ADDR_CONFIG_GOLDEN 0x2a114042
+
+static void gfx_v9_0_set_ring_funcs(struct amdgpu_device *adev);
+static void gfx_v9_0_set_irq_funcs(struct amdgpu_device *adev);
+static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev);
+static void gfx_v9_0_set_rlc_funcs(struct amdgpu_device *adev);
+static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev,
+                                 struct amdgpu_cu_info *cu_info);
+static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev);
+static void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
+
+static void gfx_v9_0_init_golden_registers(struct amdgpu_device *adev)
+{
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+		amdgpu_program_register_sequence(adev,
+						 golden_settings_gc_9_0,
+						 (const u32)ARRAY_SIZE(golden_settings_gc_9_0));
+		amdgpu_program_register_sequence(adev,
+						 golden_settings_gc_9_0_vg10,
+						 (const u32)ARRAY_SIZE(golden_settings_gc_9_0_vg10));
+		break;
+	default:
+		break;
+	}
+}
+
+static void gfx_v9_0_scratch_init(struct amdgpu_device *adev)
+{
+	adev->gfx.scratch.num_reg = 7;
+	adev->gfx.scratch.reg_base = SOC15_REG_OFFSET(GC, 0, mmSCRATCH_REG0);
+	adev->gfx.scratch.free_mask = (1u << adev->gfx.scratch.num_reg) - 1;
+}
+
+static void gfx_v9_0_write_data_to_reg(struct amdgpu_ring *ring, int eng_sel,
+				       bool wc, uint32_t reg, uint32_t val)
+{
+	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
+	amdgpu_ring_write(ring, WRITE_DATA_ENGINE_SEL(eng_sel) |
+				WRITE_DATA_DST_SEL(0) |
+				(wc ? WR_CONFIRM : 0));
+	amdgpu_ring_write(ring, reg);
+	amdgpu_ring_write(ring, 0);
+	amdgpu_ring_write(ring, val);
+}
+
+static void gfx_v9_0_wait_reg_mem(struct amdgpu_ring *ring, int eng_sel,
+				  int mem_space, int opt, uint32_t addr0,
+				  uint32_t addr1, uint32_t ref, uint32_t mask,
+				  uint32_t inv)
+{
+	amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
+	amdgpu_ring_write(ring,
+				 /* memory (1) or register (0) */
+				 (WAIT_REG_MEM_MEM_SPACE(mem_space) |
+				 WAIT_REG_MEM_OPERATION(opt) | /* wait */
+				 WAIT_REG_MEM_FUNCTION(3) |  /* equal */
+				 WAIT_REG_MEM_ENGINE(eng_sel)));
+
+	if (mem_space)
+		BUG_ON(addr0 & 0x3); /* Dword align */
+	amdgpu_ring_write(ring, addr0);
+	amdgpu_ring_write(ring, addr1);
+	amdgpu_ring_write(ring, ref);
+	amdgpu_ring_write(ring, mask);
+	amdgpu_ring_write(ring, inv); /* poll interval */
+}
+
+static int gfx_v9_0_ring_test_ring(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+	uint32_t scratch;
+	uint32_t tmp = 0;
+	unsigned i;
+	int r;
+
+	r = amdgpu_gfx_scratch_get(adev, &scratch);
+	if (r) {
+		DRM_ERROR("amdgpu: cp failed to get scratch reg (%d).\n", r);
+		return r;
+	}
+	WREG32(scratch, 0xCAFEDEAD);
+	r = amdgpu_ring_alloc(ring, 3);
+	if (r) {
+		DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
+			  ring->idx, r);
+		amdgpu_gfx_scratch_free(adev, scratch);
+		return r;
+	}
+	amdgpu_ring_write(ring, PACKET3(PACKET3_SET_UCONFIG_REG, 1));
+	amdgpu_ring_write(ring, (scratch - PACKET3_SET_UCONFIG_REG_START));
+	amdgpu_ring_write(ring, 0xDEADBEEF);
+	amdgpu_ring_commit(ring);
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		tmp = RREG32(scratch);
+		if (tmp == 0xDEADBEEF)
+			break;
+		DRM_UDELAY(1);
+	}
+	if (i < adev->usec_timeout) {
+		DRM_INFO("ring test on %d succeeded in %d usecs\n",
+			 ring->idx, i);
+	} else {
+		DRM_ERROR("amdgpu: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
+			  ring->idx, scratch, tmp);
+		r = -EINVAL;
+	}
+	amdgpu_gfx_scratch_free(adev, scratch);
+	return r;
+}
+
+static int gfx_v9_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
+{
+        struct amdgpu_device *adev = ring->adev;
+        struct amdgpu_ib ib;
+        struct fence *f = NULL;
+        uint32_t scratch;
+        uint32_t tmp = 0;
+        long r;
+
+        r = amdgpu_gfx_scratch_get(adev, &scratch);
+        if (r) {
+                DRM_ERROR("amdgpu: failed to get scratch reg (%ld).\n", r);
+                return r;
+        }
+        WREG32(scratch, 0xCAFEDEAD);
+        memset(&ib, 0, sizeof(ib));
+        r = amdgpu_ib_get(adev, NULL, 256, &ib);
+        if (r) {
+                DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
+                goto err1;
+        }
+        ib.ptr[0] = PACKET3(PACKET3_SET_UCONFIG_REG, 1);
+        ib.ptr[1] = ((scratch - PACKET3_SET_UCONFIG_REG_START));
+        ib.ptr[2] = 0xDEADBEEF;
+        ib.length_dw = 3;
+
+        r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
+        if (r)
+                goto err2;
+
+        r = fence_wait_timeout(f, false, timeout);
+        if (r == 0) {
+                DRM_ERROR("amdgpu: IB test timed out.\n");
+                r = -ETIMEDOUT;
+                goto err2;
+        } else if (r < 0) {
+                DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
+                goto err2;
+        }
+        tmp = RREG32(scratch);
+        if (tmp == 0xDEADBEEF) {
+                DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
+                r = 0;
+        } else {
+                DRM_ERROR("amdgpu: ib test failed (scratch(0x%04X)=0x%08X)\n",
+                          scratch, tmp);
+                r = -EINVAL;
+        }
+err2:
+        amdgpu_ib_free(adev, &ib, NULL);
+        fence_put(f);
+err1:
+        amdgpu_gfx_scratch_free(adev, scratch);
+        return r;
+}
+
+static int gfx_v9_0_init_microcode(struct amdgpu_device *adev)
+{
+	const char *chip_name;
+	char fw_name[30];
+	int err;
+	struct amdgpu_firmware_info *info = NULL;
+	const struct common_firmware_header *header = NULL;
+	const struct gfx_firmware_header_v1_0 *cp_hdr;
+
+	DRM_DEBUG("\n");
+
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+		chip_name = "vega10";
+		break;
+	default:
+		BUG();
+	}
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", chip_name);
+	err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+	err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
+	if (err)
+		goto out;
+	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data;
+	adev->gfx.pfp_fw_version = le32_to_cpu(cp_hdr->header.ucode_version);
+	adev->gfx.pfp_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version);
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name);
+	err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+	err = amdgpu_ucode_validate(adev->gfx.me_fw);
+	if (err)
+		goto out;
+	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data;
+	adev->gfx.me_fw_version = le32_to_cpu(cp_hdr->header.ucode_version);
+	adev->gfx.me_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version);
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name);
+	err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+	err = amdgpu_ucode_validate(adev->gfx.ce_fw);
+	if (err)
+		goto out;
+	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data;
+	adev->gfx.ce_fw_version = le32_to_cpu(cp_hdr->header.ucode_version);
+	adev->gfx.ce_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version);
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name);
+	err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+	err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
+	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.rlc_fw->data;
+	adev->gfx.rlc_fw_version = le32_to_cpu(cp_hdr->header.ucode_version);
+	adev->gfx.rlc_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version);
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name);
+	err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+	err = amdgpu_ucode_validate(adev->gfx.mec_fw);
+	if (err)
+		goto out;
+	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
+	adev->gfx.mec_fw_version = le32_to_cpu(cp_hdr->header.ucode_version);
+	adev->gfx.mec_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version);
+
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name);
+	err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
+	if (!err) {
+		err = amdgpu_ucode_validate(adev->gfx.mec2_fw);
+		if (err)
+			goto out;
+		cp_hdr = (const struct gfx_firmware_header_v1_0 *)
+		adev->gfx.mec2_fw->data;
+		adev->gfx.mec2_fw_version =
+		le32_to_cpu(cp_hdr->header.ucode_version);
+		adev->gfx.mec2_feature_version =
+		le32_to_cpu(cp_hdr->ucode_feature_version);
+	} else {
+		err = 0;
+		adev->gfx.mec2_fw = NULL;
+	}
+
+	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_PFP];
+		info->ucode_id = AMDGPU_UCODE_ID_CP_PFP;
+		info->fw = adev->gfx.pfp_fw;
+		header = (const struct common_firmware_header *)info->fw->data;
+		adev->firmware.fw_size +=
+			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
+
+		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_ME];
+		info->ucode_id = AMDGPU_UCODE_ID_CP_ME;
+		info->fw = adev->gfx.me_fw;
+		header = (const struct common_firmware_header *)info->fw->data;
+		adev->firmware.fw_size +=
+			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
+
+		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_CE];
+		info->ucode_id = AMDGPU_UCODE_ID_CP_CE;
+		info->fw = adev->gfx.ce_fw;
+		header = (const struct common_firmware_header *)info->fw->data;
+		adev->firmware.fw_size +=
+			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
+
+		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_RLC_G];
+		info->ucode_id = AMDGPU_UCODE_ID_RLC_G;
+		info->fw = adev->gfx.rlc_fw;
+		header = (const struct common_firmware_header *)info->fw->data;
+		adev->firmware.fw_size +=
+			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
+
+		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_MEC1];
+		info->ucode_id = AMDGPU_UCODE_ID_CP_MEC1;
+		info->fw = adev->gfx.mec_fw;
+		header = (const struct common_firmware_header *)info->fw->data;
+		cp_hdr = (const struct gfx_firmware_header_v1_0 *)info->fw->data;
+		adev->firmware.fw_size +=
+			ALIGN(le32_to_cpu(header->ucode_size_bytes) - le32_to_cpu(cp_hdr->jt_size) * 4, PAGE_SIZE);
+
+		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_MEC1_JT];
+		info->ucode_id = AMDGPU_UCODE_ID_CP_MEC1_JT;
+		info->fw = adev->gfx.mec_fw;
+		adev->firmware.fw_size +=
+			ALIGN(le32_to_cpu(cp_hdr->jt_size) * 4, PAGE_SIZE);
+
+		if (adev->gfx.mec2_fw) {
+			info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_MEC2];
+			info->ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
+			info->fw = adev->gfx.mec2_fw;
+			header = (const struct common_firmware_header *)info->fw->data;
+			cp_hdr = (const struct gfx_firmware_header_v1_0 *)info->fw->data;
+			adev->firmware.fw_size +=
+				ALIGN(le32_to_cpu(header->ucode_size_bytes) - le32_to_cpu(cp_hdr->jt_size) * 4, PAGE_SIZE);
+			info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_MEC2_JT];
+			info->ucode_id = AMDGPU_UCODE_ID_CP_MEC2_JT;
+			info->fw = adev->gfx.mec2_fw;
+			adev->firmware.fw_size +=
+				ALIGN(le32_to_cpu(cp_hdr->jt_size) * 4, PAGE_SIZE);
+		}
+
+	}
+
+out:
+	if (err) {
+		dev_err(adev->dev,
+			"gfx9: Failed to load firmware \"%s\"\n",
+			fw_name);
+		release_firmware(adev->gfx.pfp_fw);
+		adev->gfx.pfp_fw = NULL;
+		release_firmware(adev->gfx.me_fw);
+		adev->gfx.me_fw = NULL;
+		release_firmware(adev->gfx.ce_fw);
+		adev->gfx.ce_fw = NULL;
+		release_firmware(adev->gfx.rlc_fw);
+		adev->gfx.rlc_fw = NULL;
+		release_firmware(adev->gfx.mec_fw);
+		adev->gfx.mec_fw = NULL;
+		release_firmware(adev->gfx.mec2_fw);
+		adev->gfx.mec2_fw = NULL;
+	}
+	return err;
+}
+
+static void gfx_v9_0_mec_fini(struct amdgpu_device *adev)
+{
+	int r;
+
+	if (adev->gfx.mec.hpd_eop_obj) {
+		r = amdgpu_bo_reserve(adev->gfx.mec.hpd_eop_obj, false);
+		if (unlikely(r != 0))
+			dev_warn(adev->dev, "(%d) reserve HPD EOP bo failed\n", r);
+		amdgpu_bo_unpin(adev->gfx.mec.hpd_eop_obj);
+		amdgpu_bo_unreserve(adev->gfx.mec.hpd_eop_obj);
+
+		amdgpu_bo_unref(&adev->gfx.mec.hpd_eop_obj);
+		adev->gfx.mec.hpd_eop_obj = NULL;
+	}
+	if (adev->gfx.mec.mec_fw_obj) {
+		r = amdgpu_bo_reserve(adev->gfx.mec.mec_fw_obj, false);
+		if (unlikely(r != 0))
+			dev_warn(adev->dev, "(%d) reserve mec firmware bo failed\n", r);
+		amdgpu_bo_unpin(adev->gfx.mec.mec_fw_obj);
+		amdgpu_bo_unreserve(adev->gfx.mec.mec_fw_obj);
+
+		amdgpu_bo_unref(&adev->gfx.mec.mec_fw_obj);
+		adev->gfx.mec.mec_fw_obj = NULL;
+	}
+}
+
+#define MEC_HPD_SIZE 2048
+
+static int gfx_v9_0_mec_init(struct amdgpu_device *adev)
+{
+	int r;
+	u32 *hpd;
+	const __le32 *fw_data;
+	unsigned fw_size;
+	u32 *fw;
+
+	const struct gfx_firmware_header_v1_0 *mec_hdr;
+
+	/*
+	 * we assign only 1 pipe because all other pipes will
+	 * be handled by KFD
+	 */
+	adev->gfx.mec.num_mec = 1;
+	adev->gfx.mec.num_pipe = 1;
+	adev->gfx.mec.num_queue = adev->gfx.mec.num_mec * adev->gfx.mec.num_pipe * 8;
+
+	if (adev->gfx.mec.hpd_eop_obj == NULL) {
+		r = amdgpu_bo_create(adev,
+				     adev->gfx.mec.num_queue * MEC_HPD_SIZE,
+				     PAGE_SIZE, true,
+				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
+				     &adev->gfx.mec.hpd_eop_obj);
+		if (r) {
+			dev_warn(adev->dev, "(%d) create HDP EOP bo failed\n", r);
+			return r;
+		}
+	}
+
+	r = amdgpu_bo_reserve(adev->gfx.mec.hpd_eop_obj, false);
+	if (unlikely(r != 0)) {
+		gfx_v9_0_mec_fini(adev);
+		return r;
+	}
+	r = amdgpu_bo_pin(adev->gfx.mec.hpd_eop_obj, AMDGPU_GEM_DOMAIN_GTT,
+			  &adev->gfx.mec.hpd_eop_gpu_addr);
+	if (r) {
+		dev_warn(adev->dev, "(%d) pin HDP EOP bo failed\n", r);
+		gfx_v9_0_mec_fini(adev);
+		return r;
+	}
+	r = amdgpu_bo_kmap(adev->gfx.mec.hpd_eop_obj, (void **)&hpd);
+	if (r) {
+		dev_warn(adev->dev, "(%d) map HDP EOP bo failed\n", r);
+		gfx_v9_0_mec_fini(adev);
+		return r;
+	}
+
+	memset(hpd, 0, adev->gfx.mec.hpd_eop_obj->tbo.mem.size);
+
+	amdgpu_bo_kunmap(adev->gfx.mec.hpd_eop_obj);
+	amdgpu_bo_unreserve(adev->gfx.mec.hpd_eop_obj);
+
+	mec_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
+
+	fw_data = (const __le32 *)
+		(adev->gfx.mec_fw->data +
+		 le32_to_cpu(mec_hdr->header.ucode_array_offset_bytes));
+	fw_size = le32_to_cpu(mec_hdr->header.ucode_size_bytes) / 4;
+
+	if (adev->gfx.mec.mec_fw_obj == NULL) {
+		r = amdgpu_bo_create(adev,
+			mec_hdr->header.ucode_size_bytes,
+			PAGE_SIZE, true,
+			AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
+			&adev->gfx.mec.mec_fw_obj);
+		if (r) {
+			dev_warn(adev->dev, "(%d) create mec firmware bo failed\n", r);
+			return r;
+		}
+	}
+
+	r = amdgpu_bo_reserve(adev->gfx.mec.mec_fw_obj, false);
+	if (unlikely(r != 0)) {
+		gfx_v9_0_mec_fini(adev);
+		return r;
+	}
+	r = amdgpu_bo_pin(adev->gfx.mec.mec_fw_obj, AMDGPU_GEM_DOMAIN_GTT,
+			&adev->gfx.mec.mec_fw_gpu_addr);
+	if (r) {
+		dev_warn(adev->dev, "(%d) pin mec firmware bo failed\n", r);
+		gfx_v9_0_mec_fini(adev);
+		return r;
+	}
+	r = amdgpu_bo_kmap(adev->gfx.mec.mec_fw_obj, (void **)&fw);
+	if (r) {
+		dev_warn(adev->dev, "(%d) map firmware bo failed\n", r);
+		gfx_v9_0_mec_fini(adev);
+		return r;
+	}
+	memcpy(fw, fw_data, fw_size);
+
+	amdgpu_bo_kunmap(adev->gfx.mec.mec_fw_obj);
+	amdgpu_bo_unreserve(adev->gfx.mec.mec_fw_obj);
+
+
+	return 0;
+}
+
+static uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t address)
+{
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_IND_INDEX),
+		(wave << SQ_IND_INDEX__WAVE_ID__SHIFT) |
+		(simd << SQ_IND_INDEX__SIMD_ID__SHIFT) |
+		(address << SQ_IND_INDEX__INDEX__SHIFT) |
+		(SQ_IND_INDEX__FORCE_READ_MASK));
+	return RREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_IND_DATA));
+}
+
+static void wave_read_regs(struct amdgpu_device *adev, uint32_t simd,
+			   uint32_t wave, uint32_t thread,
+			   uint32_t regno, uint32_t num, uint32_t *out)
+{
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_IND_INDEX),
+		(wave << SQ_IND_INDEX__WAVE_ID__SHIFT) |
+		(simd << SQ_IND_INDEX__SIMD_ID__SHIFT) |
+		(regno << SQ_IND_INDEX__INDEX__SHIFT) |
+		(thread << SQ_IND_INDEX__THREAD_ID__SHIFT) |
+		(SQ_IND_INDEX__FORCE_READ_MASK) |
+		(SQ_IND_INDEX__AUTO_INCR_MASK));
+	while (num--)
+		*(out++) = RREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_IND_DATA));
+}
+
+static void gfx_v9_0_read_wave_data(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields)
+{
+	/* type 1 wave data */
+	dst[(*no_fields)++] = 1;
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_STATUS);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_PC_LO);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_PC_HI);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_EXEC_LO);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_EXEC_HI);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_HW_ID);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_INST_DW0);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_INST_DW1);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_GPR_ALLOC);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_LDS_ALLOC);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_TRAPSTS);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_IB_STS);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_IB_DBG0);
+	dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_M0);
+}
+
+static void gfx_v9_0_read_wave_sgprs(struct amdgpu_device *adev, uint32_t simd,
+				     uint32_t wave, uint32_t start,
+				     uint32_t size, uint32_t *dst)
+{
+	wave_read_regs(
+		adev, simd, wave, 0,
+		start + SQIND_WAVE_SGPRS_OFFSET, size, dst);
+}
+
+
+static const struct amdgpu_gfx_funcs gfx_v9_0_gfx_funcs = {
+	.get_gpu_clock_counter = &gfx_v9_0_get_gpu_clock_counter,
+	.select_se_sh = &gfx_v9_0_select_se_sh,
+	.read_wave_data = &gfx_v9_0_read_wave_data,
+	.read_wave_sgprs = &gfx_v9_0_read_wave_sgprs,
+};
+
+static void gfx_v9_0_gpu_early_init(struct amdgpu_device *adev)
+{
+	u32 gb_addr_config;
+
+	adev->gfx.funcs = &gfx_v9_0_gfx_funcs;
+
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+		adev->gfx.config.max_shader_engines = 4;
+		adev->gfx.config.max_tile_pipes = 8; //??
+		adev->gfx.config.max_cu_per_sh = 16;
+		adev->gfx.config.max_sh_per_se = 1;
+		adev->gfx.config.max_backends_per_se = 4;
+		adev->gfx.config.max_texture_channel_caches = 16;
+		adev->gfx.config.max_gprs = 256;
+		adev->gfx.config.max_gs_threads = 32;
+		adev->gfx.config.max_hw_contexts = 8;
+
+		adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
+		adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
+		adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
+		adev->gfx.config.sc_earlyz_tile_fifo_size = 0x4C0;
+		gb_addr_config = VEGA10_GB_ADDR_CONFIG_GOLDEN;
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	adev->gfx.config.gb_addr_config = gb_addr_config;
+
+	adev->gfx.config.gb_addr_config_fields.num_pipes = 1 <<
+			REG_GET_FIELD(
+					adev->gfx.config.gb_addr_config,
+					GB_ADDR_CONFIG,
+					NUM_PIPES);
+	adev->gfx.config.gb_addr_config_fields.num_banks = 1 <<
+			REG_GET_FIELD(
+					adev->gfx.config.gb_addr_config,
+					GB_ADDR_CONFIG,
+					NUM_BANKS);
+	adev->gfx.config.gb_addr_config_fields.max_compress_frags = 1 <<
+			REG_GET_FIELD(
+					adev->gfx.config.gb_addr_config,
+					GB_ADDR_CONFIG,
+					MAX_COMPRESSED_FRAGS);
+	adev->gfx.config.gb_addr_config_fields.num_rb_per_se = 1 <<
+			REG_GET_FIELD(
+					adev->gfx.config.gb_addr_config,
+					GB_ADDR_CONFIG,
+					NUM_RB_PER_SE);
+	adev->gfx.config.gb_addr_config_fields.num_se = 1 <<
+			REG_GET_FIELD(
+					adev->gfx.config.gb_addr_config,
+					GB_ADDR_CONFIG,
+					NUM_SHADER_ENGINES);
+	adev->gfx.config.gb_addr_config_fields.pipe_interleave_size = 1 << (8 +
+			REG_GET_FIELD(
+					adev->gfx.config.gb_addr_config,
+					GB_ADDR_CONFIG,
+					PIPE_INTERLEAVE_SIZE));
+}
+
+static int gfx_v9_0_ngg_create_buf(struct amdgpu_device *adev,
+				   struct amdgpu_ngg_buf *ngg_buf,
+				   int size_se,
+				   int default_size_se)
+{
+	int r;
+
+	if (size_se < 0) {
+		dev_err(adev->dev, "Buffer size is invalid: %d\n", size_se);
+		return -EINVAL;
+	}
+	size_se = size_se ? size_se : default_size_se;
+
+	ngg_buf->size = size_se * GFX9_NUM_SE;
+	r = amdgpu_bo_create_kernel(adev, ngg_buf->size,
+				    PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
+				    &ngg_buf->bo,
+				    &ngg_buf->gpu_addr,
+				    NULL);
+	if (r) {
+		dev_err(adev->dev, "(%d) failed to create NGG buffer\n", r);
+		return r;
+	}
+	ngg_buf->bo_size = amdgpu_bo_size(ngg_buf->bo);
+
+	return r;
+}
+
+static int gfx_v9_0_ngg_fini(struct amdgpu_device *adev)
+{
+	int i;
+
+	for (i = 0; i < NGG_BUF_MAX; i++)
+		amdgpu_bo_free_kernel(&adev->gfx.ngg.buf[i].bo,
+				      &adev->gfx.ngg.buf[i].gpu_addr,
+				      NULL);
+
+	memset(&adev->gfx.ngg.buf[0], 0,
+			sizeof(struct amdgpu_ngg_buf) * NGG_BUF_MAX);
+
+	adev->gfx.ngg.init = false;
+
+	return 0;
+}
+
+static int gfx_v9_0_ngg_init(struct amdgpu_device *adev)
+{
+	int r;
+
+	if (!amdgpu_ngg || adev->gfx.ngg.init == true)
+		return 0;
+
+	/* GDS reserve memory: 64 bytes alignment */
+	adev->gfx.ngg.gds_reserve_size = ALIGN(5 * 4, 0x40);
+	adev->gds.mem.total_size -= adev->gfx.ngg.gds_reserve_size;
+	adev->gds.mem.gfx_partition_size -= adev->gfx.ngg.gds_reserve_size;
+	adev->gfx.ngg.gds_reserve_addr = amdgpu_gds_reg_offset[0].mem_base;
+	adev->gfx.ngg.gds_reserve_addr += adev->gds.mem.gfx_partition_size;
+
+	/* Primitive Buffer */
+	r = gfx_v9_0_ngg_create_buf(adev, &adev->gfx.ngg.buf[PRIM],
+				    amdgpu_prim_buf_per_se,
+				    64 * 1024);
+	if (r) {
+		dev_err(adev->dev, "Failed to create Primitive Buffer\n");
+		goto err;
+	}
+
+	/* Position Buffer */
+	r = gfx_v9_0_ngg_create_buf(adev, &adev->gfx.ngg.buf[POS],
+				    amdgpu_pos_buf_per_se,
+				    256 * 1024);
+	if (r) {
+		dev_err(adev->dev, "Failed to create Position Buffer\n");
+		goto err;
+	}
+
+	/* Control Sideband */
+	r = gfx_v9_0_ngg_create_buf(adev, &adev->gfx.ngg.buf[CNTL],
+				    amdgpu_cntl_sb_buf_per_se,
+				    256);
+	if (r) {
+		dev_err(adev->dev, "Failed to create Control Sideband Buffer\n");
+		goto err;
+	}
+
+	/* Parameter Cache, not created by default */
+	if (amdgpu_param_buf_per_se <= 0)
+		goto out;
+
+	r = gfx_v9_0_ngg_create_buf(adev, &adev->gfx.ngg.buf[PARAM],
+				    amdgpu_param_buf_per_se,
+				    512 * 1024);
+	if (r) {
+		dev_err(adev->dev, "Failed to create Parameter Cache\n");
+		goto err;
+	}
+
+out:
+	adev->gfx.ngg.init = true;
+	return 0;
+err:
+	gfx_v9_0_ngg_fini(adev);
+	return r;
+}
+
+static int gfx_v9_0_ngg_en(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring = &adev->gfx.gfx_ring[0];
+	int r;
+	u32 data;
+	u32 size;
+	u32 base;
+
+	if (!amdgpu_ngg)
+		return 0;
+
+	/* Program buffer size */
+	data = 0;
+	size = adev->gfx.ngg.buf[PRIM].size / 256;
+	data = REG_SET_FIELD(data, WD_BUF_RESOURCE_1, INDEX_BUF_SIZE, size);
+
+	size = adev->gfx.ngg.buf[POS].size / 256;
+	data = REG_SET_FIELD(data, WD_BUF_RESOURCE_1, POS_BUF_SIZE, size);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_BUF_RESOURCE_1), data);
+
+	data = 0;
+	size = adev->gfx.ngg.buf[CNTL].size / 256;
+	data = REG_SET_FIELD(data, WD_BUF_RESOURCE_2, CNTL_SB_BUF_SIZE, size);
+
+	size = adev->gfx.ngg.buf[PARAM].size / 1024;
+	data = REG_SET_FIELD(data, WD_BUF_RESOURCE_2, PARAM_BUF_SIZE, size);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_BUF_RESOURCE_2), data);
+
+	/* Program buffer base address */
+	base = lower_32_bits(adev->gfx.ngg.buf[PRIM].gpu_addr);
+	data = REG_SET_FIELD(0, WD_INDEX_BUF_BASE, BASE, base);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_INDEX_BUF_BASE), data);
+
+	base = upper_32_bits(adev->gfx.ngg.buf[PRIM].gpu_addr);
+	data = REG_SET_FIELD(0, WD_INDEX_BUF_BASE_HI, BASE_HI, base);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_INDEX_BUF_BASE_HI), data);
+
+	base = lower_32_bits(adev->gfx.ngg.buf[POS].gpu_addr);
+	data = REG_SET_FIELD(0, WD_POS_BUF_BASE, BASE, base);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_POS_BUF_BASE), data);
+
+	base = upper_32_bits(adev->gfx.ngg.buf[POS].gpu_addr);
+	data = REG_SET_FIELD(0, WD_POS_BUF_BASE_HI, BASE_HI, base);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_POS_BUF_BASE_HI), data);
+
+	base = lower_32_bits(adev->gfx.ngg.buf[CNTL].gpu_addr);
+	data = REG_SET_FIELD(0, WD_CNTL_SB_BUF_BASE, BASE, base);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_CNTL_SB_BUF_BASE), data);
+
+	base = upper_32_bits(adev->gfx.ngg.buf[CNTL].gpu_addr);
+	data = REG_SET_FIELD(0, WD_CNTL_SB_BUF_BASE_HI, BASE_HI, base);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmWD_CNTL_SB_BUF_BASE_HI), data);
+
+	/* Clear GDS reserved memory */
+	r = amdgpu_ring_alloc(ring, 17);
+	if (r) {
+		DRM_ERROR("amdgpu: NGG failed to lock ring %d (%d).\n",
+			  ring->idx, r);
+		return r;
+	}
+
+	gfx_v9_0_write_data_to_reg(ring, 0, false,
+				   amdgpu_gds_reg_offset[0].mem_size,
+			           (adev->gds.mem.total_size +
+				    adev->gfx.ngg.gds_reserve_size) >>
+				   AMDGPU_GDS_SHIFT);
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_DMA_DATA, 5));
+	amdgpu_ring_write(ring, (PACKET3_DMA_DATA_CP_SYNC |
+				PACKET3_DMA_DATA_SRC_SEL(2)));
+	amdgpu_ring_write(ring, 0);
+	amdgpu_ring_write(ring, 0);
+	amdgpu_ring_write(ring, adev->gfx.ngg.gds_reserve_addr);
+	amdgpu_ring_write(ring, 0);
+	amdgpu_ring_write(ring, adev->gfx.ngg.gds_reserve_size);
+
+
+	gfx_v9_0_write_data_to_reg(ring, 0, false,
+				   amdgpu_gds_reg_offset[0].mem_size, 0);
+
+	amdgpu_ring_commit(ring);
+
+	return 0;
+}
+
+static int gfx_v9_0_sw_init(void *handle)
+{
+	int i, r;
+	struct amdgpu_ring *ring;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	/* EOP Event */
+	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 181, &adev->gfx.eop_irq);
+	if (r)
+		return r;
+
+	/* Privileged reg */
+	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 184,
+			      &adev->gfx.priv_reg_irq);
+	if (r)
+		return r;
+
+	/* Privileged inst */
+	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 185,
+			      &adev->gfx.priv_inst_irq);
+	if (r)
+		return r;
+
+	adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE;
+
+	gfx_v9_0_scratch_init(adev);
+
+	r = gfx_v9_0_init_microcode(adev);
+	if (r) {
+		DRM_ERROR("Failed to load gfx firmware!\n");
+		return r;
+	}
+
+	r = gfx_v9_0_mec_init(adev);
+	if (r) {
+		DRM_ERROR("Failed to init MEC BOs!\n");
+		return r;
+	}
+
+	/* set up the gfx ring */
+	for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
+		ring = &adev->gfx.gfx_ring[i];
+		ring->ring_obj = NULL;
+		sprintf(ring->name, "gfx");
+		ring->use_doorbell = true;
+		ring->doorbell_index = AMDGPU_DOORBELL64_GFX_RING0 << 1;
+		r = amdgpu_ring_init(adev, ring, 1024,
+				     &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_EOP);
+		if (r)
+			return r;
+	}
+
+	/* set up the compute queues */
+	for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+		unsigned irq_type;
+
+		/* max 32 queues per MEC */
+		if ((i >= 32) || (i >= AMDGPU_MAX_COMPUTE_RINGS)) {
+			DRM_ERROR("Too many (%d) compute rings!\n", i);
+			break;
+		}
+		ring = &adev->gfx.compute_ring[i];
+		ring->ring_obj = NULL;
+		ring->use_doorbell = true;
+		ring->doorbell_index = (AMDGPU_DOORBELL64_MEC_RING0 + i) << 1;
+		ring->me = 1; /* first MEC */
+		ring->pipe = i / 8;
+		ring->queue = i % 8;
+		sprintf(ring->name, "comp %d.%d.%d", ring->me, ring->pipe, ring->queue);
+		irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP + ring->pipe;
+		/* type-2 packets are deprecated on MEC, use type-3 instead */
+		r = amdgpu_ring_init(adev, ring, 1024,
+				     &adev->gfx.eop_irq, irq_type);
+		if (r)
+			return r;
+	}
+
+	/* reserve GDS, GWS and OA resource for gfx */
+	r = amdgpu_bo_create_kernel(adev, adev->gds.mem.gfx_partition_size,
+				    PAGE_SIZE, AMDGPU_GEM_DOMAIN_GDS,
+				    &adev->gds.gds_gfx_bo, NULL, NULL);
+	if (r)
+		return r;
+
+	r = amdgpu_bo_create_kernel(adev, adev->gds.gws.gfx_partition_size,
+				    PAGE_SIZE, AMDGPU_GEM_DOMAIN_GWS,
+				    &adev->gds.gws_gfx_bo, NULL, NULL);
+	if (r)
+		return r;
+
+	r = amdgpu_bo_create_kernel(adev, adev->gds.oa.gfx_partition_size,
+				    PAGE_SIZE, AMDGPU_GEM_DOMAIN_OA,
+				    &adev->gds.oa_gfx_bo, NULL, NULL);
+	if (r)
+		return r;
+
+	adev->gfx.ce_ram_size = 0x8000;
+
+	gfx_v9_0_gpu_early_init(adev);
+
+	r = gfx_v9_0_ngg_init(adev);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+
+static int gfx_v9_0_sw_fini(void *handle)
+{
+	int i;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	amdgpu_bo_free_kernel(&adev->gds.oa_gfx_bo, NULL, NULL);
+	amdgpu_bo_free_kernel(&adev->gds.gws_gfx_bo, NULL, NULL);
+	amdgpu_bo_free_kernel(&adev->gds.gds_gfx_bo, NULL, NULL);
+
+	for (i = 0; i < adev->gfx.num_gfx_rings; i++)
+		amdgpu_ring_fini(&adev->gfx.gfx_ring[i]);
+	for (i = 0; i < adev->gfx.num_compute_rings; i++)
+		amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
+
+	gfx_v9_0_mec_fini(adev);
+	gfx_v9_0_ngg_fini(adev);
+
+	return 0;
+}
+
+
+static void gfx_v9_0_tiling_mode_table_init(struct amdgpu_device *adev)
+{
+	/* TODO */
+}
+
+static void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance)
+{
+	u32 data = REG_SET_FIELD(0, GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES, 1);
+
+	if ((se_num == 0xffffffff) && (sh_num == 0xffffffff)) {
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_BROADCAST_WRITES, 1);
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_BROADCAST_WRITES, 1);
+	} else if (se_num == 0xffffffff) {
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_INDEX, sh_num);
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_BROADCAST_WRITES, 1);
+	} else if (sh_num == 0xffffffff) {
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_BROADCAST_WRITES, 1);
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_INDEX, se_num);
+	} else {
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_INDEX, sh_num);
+		data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_INDEX, se_num);
+	}
+	WREG32( SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_INDEX), data);
+}
+
+static u32 gfx_v9_0_create_bitmask(u32 bit_width)
+{
+	return (u32)((1ULL << bit_width) - 1);
+}
+
+static u32 gfx_v9_0_get_rb_active_bitmap(struct amdgpu_device *adev)
+{
+	u32 data, mask;
+
+	data = RREG32(SOC15_REG_OFFSET(GC, 0, mmCC_RB_BACKEND_DISABLE));
+	data |= RREG32(SOC15_REG_OFFSET(GC, 0, mmGC_USER_RB_BACKEND_DISABLE));
+
+	data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK;
+	data >>= GC_USER_RB_BACKEND_DISABLE__BACKEND_DISABLE__SHIFT;
+
+	mask = gfx_v9_0_create_bitmask(adev->gfx.config.max_backends_per_se /
+				       adev->gfx.config.max_sh_per_se);
+
+	return (~data) & mask;
+}
+
+static void gfx_v9_0_setup_rb(struct amdgpu_device *adev)
+{
+	int i, j;
+	u32 data, tmp, num_rbs = 0;
+	u32 active_rbs = 0;
+	u32 rb_bitmap_width_per_sh = adev->gfx.config.max_backends_per_se /
+					adev->gfx.config.max_sh_per_se;
+
+	mutex_lock(&adev->grbm_idx_mutex);
+	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
+		for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
+			gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
+			data = gfx_v9_0_get_rb_active_bitmap(adev);
+			active_rbs |= data << ((i * adev->gfx.config.max_sh_per_se + j) *
+					       rb_bitmap_width_per_sh);
+		}
+	}
+	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	mutex_unlock(&adev->grbm_idx_mutex);
+
+	adev->gfx.config.backend_enable_mask = active_rbs;
+	tmp = active_rbs;
+	while (tmp >>= 1)
+		num_rbs++;
+	adev->gfx.config.num_rbs = num_rbs;
+}
+
+#define DEFAULT_SH_MEM_BASES	(0x6000)
+#define FIRST_COMPUTE_VMID	(8)
+#define LAST_COMPUTE_VMID	(16)
+static void gfx_v9_0_init_compute_vmid(struct amdgpu_device *adev)
+{
+	int i;
+	uint32_t sh_mem_config;
+	uint32_t sh_mem_bases;
+
+	/*
+	 * Configure apertures:
+	 * LDS:         0x60000000'00000000 - 0x60000001'00000000 (4GB)
+	 * Scratch:     0x60000001'00000000 - 0x60000002'00000000 (4GB)
+	 * GPUVM:       0x60010000'00000000 - 0x60020000'00000000 (1TB)
+	 */
+	sh_mem_bases = DEFAULT_SH_MEM_BASES | (DEFAULT_SH_MEM_BASES << 16);
+
+	sh_mem_config = SH_MEM_ADDRESS_MODE_64 |
+			SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
+			SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT; 
+
+	mutex_lock(&adev->srbm_mutex);
+	for (i = FIRST_COMPUTE_VMID; i < LAST_COMPUTE_VMID; i++) {
+		soc15_grbm_select(adev, 0, 0, 0, i);
+		/* CP and shaders */
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG), sh_mem_config);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_BASES), sh_mem_bases);
+	}
+	soc15_grbm_select(adev, 0, 0, 0, 0);
+	mutex_unlock(&adev->srbm_mutex);
+}
+
+static void gfx_v9_0_gpu_init(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	int i;
+
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_CNTL));
+	tmp = REG_SET_FIELD(tmp, GRBM_CNTL, READ_TIMEOUT, 0xff);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_CNTL), tmp);
+
+	gfx_v9_0_tiling_mode_table_init(adev);
+
+	gfx_v9_0_setup_rb(adev);
+	gfx_v9_0_get_cu_info(adev, &adev->gfx.cu_info);
+
+	/* XXX SH_MEM regs */
+	/* where to put LDS, scratch, GPUVM in FSA64 space */
+	mutex_lock(&adev->srbm_mutex);
+	for (i = 0; i < 16; i++) {
+		soc15_grbm_select(adev, 0, 0, 0, i);
+		/* CP and shaders */
+		tmp = 0;
+		tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE,
+				    SH_MEM_ALIGNMENT_MODE_UNALIGNED);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG), tmp);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_BASES), 0);
+	}
+	soc15_grbm_select(adev, 0, 0, 0, 0);
+
+	mutex_unlock(&adev->srbm_mutex);
+
+	gfx_v9_0_init_compute_vmid(adev);
+
+	mutex_lock(&adev->grbm_idx_mutex);
+	/*
+	 * making sure that the following register writes will be broadcasted
+	 * to all the shaders
+	 */
+	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmPA_SC_FIFO_SIZE),
+		   (adev->gfx.config.sc_prim_fifo_size_frontend <<
+			PA_SC_FIFO_SIZE__SC_FRONTEND_PRIM_FIFO_SIZE__SHIFT) |
+		   (adev->gfx.config.sc_prim_fifo_size_backend <<
+			PA_SC_FIFO_SIZE__SC_BACKEND_PRIM_FIFO_SIZE__SHIFT) |
+		   (adev->gfx.config.sc_hiz_tile_fifo_size <<
+			PA_SC_FIFO_SIZE__SC_HIZ_TILE_FIFO_SIZE__SHIFT) |
+		   (adev->gfx.config.sc_earlyz_tile_fifo_size <<
+			PA_SC_FIFO_SIZE__SC_EARLYZ_TILE_FIFO_SIZE__SHIFT));
+	mutex_unlock(&adev->grbm_idx_mutex);
+
+}
+
+static void gfx_v9_0_wait_for_rlc_serdes(struct amdgpu_device *adev)
+{
+	u32 i, j, k;
+	u32 mask;
+
+	mutex_lock(&adev->grbm_idx_mutex);
+	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
+		for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
+			gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
+			for (k = 0; k < adev->usec_timeout; k++) {
+				if (RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_SERDES_CU_MASTER_BUSY)) == 0)
+					break;
+				udelay(1);
+			}
+		}
+	}
+	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	mutex_unlock(&adev->grbm_idx_mutex);
+
+	mask = RLC_SERDES_NONCU_MASTER_BUSY__SE_MASTER_BUSY_MASK |
+		RLC_SERDES_NONCU_MASTER_BUSY__GC_MASTER_BUSY_MASK |
+		RLC_SERDES_NONCU_MASTER_BUSY__TC0_MASTER_BUSY_MASK |
+		RLC_SERDES_NONCU_MASTER_BUSY__TC1_MASTER_BUSY_MASK;
+	for (k = 0; k < adev->usec_timeout; k++) {
+		if ((RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_SERDES_NONCU_MASTER_BUSY)) & mask) == 0)
+			break;
+		udelay(1);
+	}
+}
+
+static void gfx_v9_0_enable_gui_idle_interrupt(struct amdgpu_device *adev,
+					       bool enable)
+{
+	u32 tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0));
+
+	if (enable)
+		return;
+
+	tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE, enable ? 1 : 0);
+	tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_EMPTY_INT_ENABLE, enable ? 1 : 0);
+	tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CMP_BUSY_INT_ENABLE, enable ? 1 : 0);
+	tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, GFX_IDLE_INT_ENABLE, enable ? 1 : 0);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0), tmp);
+}
+
+void gfx_v9_0_rlc_stop(struct amdgpu_device *adev)
+{
+	u32 tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CNTL));
+
+	tmp = REG_SET_FIELD(tmp, RLC_CNTL, RLC_ENABLE_F32, 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CNTL), tmp);
+
+	gfx_v9_0_enable_gui_idle_interrupt(adev, false);
+
+	gfx_v9_0_wait_for_rlc_serdes(adev);
+}
+
+static void gfx_v9_0_rlc_reset(struct amdgpu_device *adev)
+{
+	u32 tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET));
+
+	tmp = REG_SET_FIELD(tmp, GRBM_SOFT_RESET, SOFT_RESET_RLC, 1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET), tmp);
+	udelay(50);
+	tmp = REG_SET_FIELD(tmp, GRBM_SOFT_RESET, SOFT_RESET_RLC, 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET), tmp);
+	udelay(50);
+}
+
+static void gfx_v9_0_rlc_start(struct amdgpu_device *adev)
+{
+#ifdef AMDGPU_RLC_DEBUG_RETRY
+	u32 rlc_ucode_ver;
+#endif
+	u32 tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CNTL));
+
+	tmp = REG_SET_FIELD(tmp, RLC_CNTL, RLC_ENABLE_F32, 1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CNTL), tmp);
+
+	/* carrizo do enable cp interrupt after cp inited */
+	if (!(adev->flags & AMD_IS_APU))
+		gfx_v9_0_enable_gui_idle_interrupt(adev, true);
+
+	udelay(50);
+
+#ifdef AMDGPU_RLC_DEBUG_RETRY
+	/* RLC_GPM_GENERAL_6 : RLC Ucode version */
+	rlc_ucode_ver = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_GENERAL_6));
+	if(rlc_ucode_ver == 0x108) {
+		DRM_INFO("Using rlc debug ucode. mmRLC_GPM_GENERAL_6 ==0x08%x / fw_ver == %i \n",
+				rlc_ucode_ver, adev->gfx.rlc_fw_version);
+		/* RLC_GPM_TIMER_INT_3 : Timer interval in RefCLK cycles,
+		 * default is 0x9C4 to create a 100us interval */
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_TIMER_INT_3), 0x9C4);
+		/* RLC_GPM_GENERAL_12 : Minimum gap between wptr and rptr
+		 * to disable the page fault retry interrupts, default is 
+		 * 0x100 (256) */
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_GENERAL_12), 0x100);
+	}
+#endif
+}
+
+static int gfx_v9_0_rlc_load_microcode(struct amdgpu_device *adev)
+{
+	const struct rlc_firmware_header_v2_0 *hdr;
+	const __le32 *fw_data;
+	unsigned i, fw_size;
+
+	if (!adev->gfx.rlc_fw)
+		return -EINVAL;
+
+	hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
+	amdgpu_ucode_print_rlc_hdr(&hdr->header);
+
+	fw_data = (const __le32 *)(adev->gfx.rlc_fw->data +
+			   le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+	fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR),
+			RLCG_UCODE_LOADING_START_ADDRESS);
+	for (i = 0; i < fw_size; i++)
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA), le32_to_cpup(fw_data++));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR), adev->gfx.rlc_fw_version);
+
+	return 0;
+}
+
+static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev)
+{
+	int r;
+
+	gfx_v9_0_rlc_stop(adev);
+
+	/* disable CG */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL), 0);
+
+	/* disable PG */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), 0);
+
+	gfx_v9_0_rlc_reset(adev);
+
+	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
+		/* legacy rlc firmware loading */
+		r = gfx_v9_0_rlc_load_microcode(adev);
+		if (r)
+			return r;
+	}
+
+	gfx_v9_0_rlc_start(adev);
+
+	return 0;
+}
+
+static void gfx_v9_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
+{
+	int i;
+	u32 tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_ME_CNTL));
+
+	if (enable) {
+		tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 0);
+		tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 0);
+		tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 0);
+	} else {
+		tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1);
+		tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1);
+		tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1);
+		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
+			adev->gfx.gfx_ring[i].ready = false;
+	}
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_ME_CNTL), tmp);
+	udelay(50);
+}
+
+static int gfx_v9_0_cp_gfx_load_microcode(struct amdgpu_device *adev)
+{
+	const struct gfx_firmware_header_v1_0 *pfp_hdr;
+	const struct gfx_firmware_header_v1_0 *ce_hdr;
+	const struct gfx_firmware_header_v1_0 *me_hdr;
+	const __le32 *fw_data;
+	unsigned i, fw_size;
+
+	if (!adev->gfx.me_fw || !adev->gfx.pfp_fw || !adev->gfx.ce_fw)
+		return -EINVAL;
+
+	pfp_hdr = (const struct gfx_firmware_header_v1_0 *)
+		adev->gfx.pfp_fw->data;
+	ce_hdr = (const struct gfx_firmware_header_v1_0 *)
+		adev->gfx.ce_fw->data;
+	me_hdr = (const struct gfx_firmware_header_v1_0 *)
+		adev->gfx.me_fw->data;
+
+	amdgpu_ucode_print_gfx_hdr(&pfp_hdr->header);
+	amdgpu_ucode_print_gfx_hdr(&ce_hdr->header);
+	amdgpu_ucode_print_gfx_hdr(&me_hdr->header);
+
+	gfx_v9_0_cp_gfx_enable(adev, false);
+
+	/* PFP */
+	fw_data = (const __le32 *)
+		(adev->gfx.pfp_fw->data +
+		 le32_to_cpu(pfp_hdr->header.ucode_array_offset_bytes));
+	fw_size = le32_to_cpu(pfp_hdr->header.ucode_size_bytes) / 4;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR), 0);
+	for (i = 0; i < fw_size; i++)
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA), le32_to_cpup(fw_data++));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR), adev->gfx.pfp_fw_version);
+
+	/* CE */
+	fw_data = (const __le32 *)
+		(adev->gfx.ce_fw->data +
+		 le32_to_cpu(ce_hdr->header.ucode_array_offset_bytes));
+	fw_size = le32_to_cpu(ce_hdr->header.ucode_size_bytes) / 4;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR), 0);
+	for (i = 0; i < fw_size; i++)
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA), le32_to_cpup(fw_data++));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR), adev->gfx.ce_fw_version);
+
+	/* ME */
+	fw_data = (const __le32 *)
+		(adev->gfx.me_fw->data +
+		 le32_to_cpu(me_hdr->header.ucode_array_offset_bytes));
+	fw_size = le32_to_cpu(me_hdr->header.ucode_size_bytes) / 4;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_ME_RAM_WADDR), 0);
+	for (i = 0; i < fw_size; i++)
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_ME_RAM_DATA), le32_to_cpup(fw_data++));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_ME_RAM_WADDR), adev->gfx.me_fw_version);
+
+	return 0;
+}
+
+static u32 gfx_v9_0_get_csb_size(struct amdgpu_device *adev)
+{
+	u32 count = 0;
+	const struct cs_section_def *sect = NULL;
+	const struct cs_extent_def *ext = NULL;
+
+	/* begin clear state */
+	count += 2;
+	/* context control state */
+	count += 3;
+
+	for (sect = gfx9_cs_data; sect->section != NULL; ++sect) {
+		for (ext = sect->section; ext->extent != NULL; ++ext) {
+			if (sect->id == SECT_CONTEXT)
+				count += 2 + ext->reg_count;
+			else
+				return 0;
+		}
+	}
+	/* pa_sc_raster_config/pa_sc_raster_config1 */
+	count += 4;
+	/* end clear state */
+	count += 2;
+	/* clear state */
+	count += 2;
+
+	return count;
+}
+
+static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring = &adev->gfx.gfx_ring[0];
+	const struct cs_section_def *sect = NULL;
+	const struct cs_extent_def *ext = NULL;
+	int r, i;
+
+	/* init the CP */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MAX_CONTEXT), adev->gfx.config.max_hw_contexts - 1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_DEVICE_ID), 1);
+
+	gfx_v9_0_cp_gfx_enable(adev, true);
+
+	r = amdgpu_ring_alloc(ring, gfx_v9_0_get_csb_size(adev) + 4);
+	if (r) {
+		DRM_ERROR("amdgpu: cp failed to lock ring (%d).\n", r);
+		return r;
+	}
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
+	amdgpu_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_CONTEXT_CONTROL, 1));
+	amdgpu_ring_write(ring, 0x80000000);
+	amdgpu_ring_write(ring, 0x80000000);
+
+	for (sect = gfx9_cs_data; sect->section != NULL; ++sect) {
+		for (ext = sect->section; ext->extent != NULL; ++ext) {
+			if (sect->id == SECT_CONTEXT) {
+				amdgpu_ring_write(ring,
+				       PACKET3(PACKET3_SET_CONTEXT_REG,
+					       ext->reg_count));
+				amdgpu_ring_write(ring,
+				       ext->reg_index - PACKET3_SET_CONTEXT_REG_START);
+				for (i = 0; i < ext->reg_count; i++)
+					amdgpu_ring_write(ring, ext->extent[i]);
+			}
+		}
+	}
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
+	amdgpu_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
+	amdgpu_ring_write(ring, 0);
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2));
+	amdgpu_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
+	amdgpu_ring_write(ring, 0x8000);
+	amdgpu_ring_write(ring, 0x8000);
+
+	amdgpu_ring_commit(ring);
+
+	return 0;
+}
+
+static int gfx_v9_0_cp_gfx_resume(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	u32 tmp;
+	u32 rb_bufsz;
+	u64 rb_addr, rptr_addr;
+
+	/* Set the write pointer delay */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_WPTR_DELAY), 0);
+
+	/* set the RB to use vmid 0 */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_VMID), 0);
+
+	/* Set ring buffer size */
+	ring = &adev->gfx.gfx_ring[0];
+	rb_bufsz = order_base_2(ring->ring_size / 8);
+	tmp = REG_SET_FIELD(0, CP_RB0_CNTL, RB_BUFSZ, rb_bufsz);
+	tmp = REG_SET_FIELD(tmp, CP_RB0_CNTL, RB_BLKSZ, rb_bufsz - 2);
+#ifdef __BIG_ENDIAN
+	tmp = REG_SET_FIELD(tmp, CP_RB0_CNTL, BUF_SWAP, 1);
+#endif
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_CNTL), tmp);
+
+	/* Initialize the ring buffer's write pointers */
+	ring->wptr = 0;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_WPTR), lower_32_bits(ring->wptr));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_WPTR_HI), upper_32_bits(ring->wptr));
+
+	/* set the wb address wether it's enabled or not */
+	rptr_addr = adev->wb.gpu_addr + (ring->rptr_offs * 4);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_RPTR_ADDR), lower_32_bits(rptr_addr));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_RPTR_ADDR_HI), upper_32_bits(rptr_addr) & CP_RB_RPTR_ADDR_HI__RB_RPTR_ADDR_HI_MASK);
+
+	mdelay(1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_CNTL), tmp);
+
+	rb_addr = ring->gpu_addr >> 8;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_BASE), rb_addr);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_BASE_HI), upper_32_bits(rb_addr));
+
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_DOORBELL_CONTROL));
+	if (ring->use_doorbell) {
+		tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
+				    DOORBELL_OFFSET, ring->doorbell_index);
+		tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
+				    DOORBELL_EN, 1);
+	} else {
+		tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL, DOORBELL_EN, 0);
+	}
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_DOORBELL_CONTROL), tmp);
+
+	tmp = REG_SET_FIELD(0, CP_RB_DOORBELL_RANGE_LOWER,
+			DOORBELL_RANGE_LOWER, ring->doorbell_index);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_DOORBELL_RANGE_LOWER), tmp);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_DOORBELL_RANGE_UPPER),
+		       CP_RB_DOORBELL_RANGE_UPPER__DOORBELL_RANGE_UPPER_MASK);
+
+
+	/* start the ring */
+	gfx_v9_0_cp_gfx_start(adev);
+	ring->ready = true;
+
+	return 0;
+}
+
+static void gfx_v9_0_cp_compute_enable(struct amdgpu_device *adev, bool enable)
+{
+	int i;
+
+	if (enable) {
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_CNTL), 0);
+	} else {
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_CNTL),
+			(CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK));
+		for (i = 0; i < adev->gfx.num_compute_rings; i++)
+			adev->gfx.compute_ring[i].ready = false;
+	}
+	udelay(50);
+}
+
+static int gfx_v9_0_cp_compute_start(struct amdgpu_device *adev)
+{
+	gfx_v9_0_cp_compute_enable(adev, true);
+
+	return 0;
+}
+
+static int gfx_v9_0_cp_compute_load_microcode(struct amdgpu_device *adev)
+{
+	const struct gfx_firmware_header_v1_0 *mec_hdr;
+	const __le32 *fw_data;
+	unsigned i;
+	u32 tmp;
+
+	if (!adev->gfx.mec_fw)
+		return -EINVAL;
+
+	gfx_v9_0_cp_compute_enable(adev, false);
+
+	mec_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
+	amdgpu_ucode_print_gfx_hdr(&mec_hdr->header);
+
+	fw_data = (const __le32 *)
+		(adev->gfx.mec_fw->data +
+		 le32_to_cpu(mec_hdr->header.ucode_array_offset_bytes));
+	tmp = 0;
+	tmp = REG_SET_FIELD(tmp, CP_CPC_IC_BASE_CNTL, VMID, 0);
+	tmp = REG_SET_FIELD(tmp, CP_CPC_IC_BASE_CNTL, CACHE_POLICY, 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPC_IC_BASE_CNTL), tmp);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPC_IC_BASE_LO),
+		adev->gfx.mec.mec_fw_gpu_addr & 0xFFFFF000);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPC_IC_BASE_HI),
+		upper_32_bits(adev->gfx.mec.mec_fw_gpu_addr));
+ 
+	/* MEC1 */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR),
+			 mec_hdr->jt_offset);
+	for (i = 0; i < mec_hdr->jt_size; i++)
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA),
+			le32_to_cpup(fw_data + mec_hdr->jt_offset + i));
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR),
+			adev->gfx.mec_fw_version);
+	/* Todo : Loading MEC2 firmware is only necessary if MEC2 should run different microcode than MEC1. */
+
+	return 0;
+}
+
+static void gfx_v9_0_cp_compute_fini(struct amdgpu_device *adev)
+{
+	int i, r;
+
+	for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+		struct amdgpu_ring *ring = &adev->gfx.compute_ring[i];
+
+		if (ring->mqd_obj) {
+			r = amdgpu_bo_reserve(ring->mqd_obj, false);
+			if (unlikely(r != 0))
+				dev_warn(adev->dev, "(%d) reserve MQD bo failed\n", r);
+
+			amdgpu_bo_unpin(ring->mqd_obj);
+			amdgpu_bo_unreserve(ring->mqd_obj);
+
+			amdgpu_bo_unref(&ring->mqd_obj);
+			ring->mqd_obj = NULL;
+		}
+	}
+}
+
+static int gfx_v9_0_init_queue(struct amdgpu_ring *ring);
+
+static int gfx_v9_0_cp_compute_resume(struct amdgpu_device *adev)
+{
+	int i, r;
+	for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+		struct amdgpu_ring *ring = &adev->gfx.compute_ring[i];
+		if (gfx_v9_0_init_queue(ring))
+			dev_warn(adev->dev, "compute queue %d init failed!\n", i);
+	}
+
+	r = gfx_v9_0_cp_compute_start(adev);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+static int gfx_v9_0_cp_resume(struct amdgpu_device *adev)
+{
+	int r,i;
+	struct amdgpu_ring *ring;
+
+	if (!(adev->flags & AMD_IS_APU))
+		gfx_v9_0_enable_gui_idle_interrupt(adev, false);
+
+	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
+		/* legacy firmware loading */
+		r = gfx_v9_0_cp_gfx_load_microcode(adev);
+		if (r)
+			return r;
+
+		r = gfx_v9_0_cp_compute_load_microcode(adev);
+		if (r)
+			return r;
+	}
+
+	r = gfx_v9_0_cp_gfx_resume(adev);
+	if (r)
+		return r;
+
+	r = gfx_v9_0_cp_compute_resume(adev);
+	if (r)
+		return r;
+
+	ring = &adev->gfx.gfx_ring[0];
+	r = amdgpu_ring_test_ring(ring);
+	if (r) {
+		ring->ready = false;
+		return r;
+	}
+	for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+		ring = &adev->gfx.compute_ring[i];
+
+		ring->ready = true;
+		r = amdgpu_ring_test_ring(ring);
+		if (r)
+			ring->ready = false;
+	}
+
+	gfx_v9_0_enable_gui_idle_interrupt(adev, true);
+
+	return 0;
+}
+
+static void gfx_v9_0_cp_enable(struct amdgpu_device *adev, bool enable)
+{
+	gfx_v9_0_cp_gfx_enable(adev, enable);
+	gfx_v9_0_cp_compute_enable(adev, enable);
+}
+
+static int gfx_v9_0_hw_init(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	gfx_v9_0_init_golden_registers(adev);
+
+	gfx_v9_0_gpu_init(adev);
+
+	r = gfx_v9_0_rlc_resume(adev);
+	if (r)
+		return r;
+
+	r = gfx_v9_0_cp_resume(adev);
+	if (r)
+		return r;
+
+	r = gfx_v9_0_ngg_en(adev);
+	if (r)
+		return r;
+
+	return r;
+}
+
+static int gfx_v9_0_hw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
+	amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
+	gfx_v9_0_cp_enable(adev, false);
+	gfx_v9_0_rlc_stop(adev);
+	gfx_v9_0_cp_compute_fini(adev);
+
+	return 0;
+}
+
+static int gfx_v9_0_suspend(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return gfx_v9_0_hw_fini(adev);
+}
+
+static int gfx_v9_0_resume(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return gfx_v9_0_hw_init(adev);
+}
+
+static bool gfx_v9_0_is_idle(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	if (REG_GET_FIELD(RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS)), 
+				GRBM_STATUS, GUI_ACTIVE))
+		return false;
+	else
+		return true;
+}
+
+static int gfx_v9_0_wait_for_idle(void *handle)
+{
+	unsigned i;
+	u32 tmp;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		/* read MC_STATUS */
+		tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS)) & 
+			GRBM_STATUS__GUI_ACTIVE_MASK;
+
+		if (!REG_GET_FIELD(tmp, GRBM_STATUS, GUI_ACTIVE))
+			return 0;
+		udelay(1);
+	}
+	return -ETIMEDOUT;
+}
+
+static void gfx_v9_0_print_status(void *handle)
+{
+	int i;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	dev_info(adev->dev, "GFX 9.x registers\n");
+	dev_info(adev->dev, "  GRBM_STATUS=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS)));
+	dev_info(adev->dev, "  GRBM_STATUS2=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS2)));
+	dev_info(adev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE0)));
+	dev_info(adev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE1)));
+	dev_info(adev->dev, "  GRBM_STATUS_SE2=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE2)));
+	dev_info(adev->dev, "  GRBM_STATUS_SE3=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE3)));
+	dev_info(adev->dev, "  CP_STAT = 0x%08x\n", RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_STAT)));
+	dev_info(adev->dev, "  CP_STALLED_STAT1 = 0x%08x\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT1)));
+	dev_info(adev->dev, "  CP_STALLED_STAT2 = 0x%08x\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT2)));
+	dev_info(adev->dev, "  CP_STALLED_STAT3 = 0x%08x\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT3)));
+	dev_info(adev->dev, "  CP_CPF_BUSY_STAT = 0x%08x\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPF_BUSY_STAT)));
+	dev_info(adev->dev, "  CP_CPF_STALLED_STAT1 = 0x%08x\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPF_STALLED_STAT1)));
+	dev_info(adev->dev, "  CP_CPF_STATUS = 0x%08x\n", RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPF_STATUS)));
+	dev_info(adev->dev, "  CP_CPC_BUSY_STAT = 0x%08x\n", RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPC_BUSY_STAT)));
+	dev_info(adev->dev, "  CP_CPC_STALLED_STAT1 = 0x%08x\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPC_STALLED_STAT1)));
+	dev_info(adev->dev, "  CP_CPC_STATUS = 0x%08x\n", RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_CPC_STATUS)));
+
+	for (i = 0; i < 32; i++) {
+		dev_info(adev->dev, "  GB_TILE_MODE%d=0x%08X\n",
+			 i, RREG32(SOC15_REG_OFFSET(GC, 0, mmGB_TILE_MODE0 ) + i*4));
+	}
+	for (i = 0; i < 16; i++) {
+		dev_info(adev->dev, "  GB_MACROTILE_MODE%d=0x%08X\n",
+			 i, RREG32(SOC15_REG_OFFSET(GC, 0, mmGB_MACROTILE_MODE0) + i*4));
+	}
+	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
+		dev_info(adev->dev, "  se: %d\n", i);
+		gfx_v9_0_select_se_sh(adev, i, 0xffffffff, 0xffffffff);
+		dev_info(adev->dev, "  PA_SC_RASTER_CONFIG=0x%08X\n",
+			 RREG32(SOC15_REG_OFFSET(GC, 0, mmPA_SC_RASTER_CONFIG)));
+		dev_info(adev->dev, "  PA_SC_RASTER_CONFIG_1=0x%08X\n",
+			 RREG32(SOC15_REG_OFFSET(GC, 0, mmPA_SC_RASTER_CONFIG_1)));
+	}
+	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+
+	dev_info(adev->dev, "  GB_ADDR_CONFIG=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG)));
+
+	dev_info(adev->dev, "  CP_MEQ_THRESHOLDS=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEQ_THRESHOLDS)));
+	dev_info(adev->dev, "  SX_DEBUG_1=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmSX_DEBUG_1)));
+	dev_info(adev->dev, "  TA_CNTL_AUX=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmTA_CNTL_AUX)));
+	dev_info(adev->dev, "  SPI_CONFIG_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_CONFIG_CNTL)));
+	dev_info(adev->dev, "  SQ_CONFIG=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_CONFIG)));
+	dev_info(adev->dev, "  DB_DEBUG=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG)));
+	dev_info(adev->dev, "  DB_DEBUG2=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2)));
+	dev_info(adev->dev, "  DB_DEBUG3=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG3)));
+	dev_info(adev->dev, "  CB_HW_CONTROL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCB_HW_CONTROL)));
+	dev_info(adev->dev, "  SPI_CONFIG_CNTL_1=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_CONFIG_CNTL_1)));
+	dev_info(adev->dev, "  PA_SC_FIFO_SIZE=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmPA_SC_FIFO_SIZE)));
+	dev_info(adev->dev, "  VGT_NUM_INSTANCES=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmVGT_NUM_INSTANCES)));
+	dev_info(adev->dev, "  CP_PERFMON_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PERFMON_CNTL)));
+	dev_info(adev->dev, "  PA_SC_FORCE_EOV_MAX_CNTS=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmPA_SC_FORCE_EOV_MAX_CNTS)));
+	dev_info(adev->dev, "  VGT_CACHE_INVALIDATION=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmVGT_CACHE_INVALIDATION)));
+	dev_info(adev->dev, "  VGT_GS_VERTEX_REUSE=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmVGT_GS_VERTEX_REUSE)));
+	dev_info(adev->dev, "  PA_SC_LINE_STIPPLE_STATE=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmPA_SC_LINE_STIPPLE_STATE)));
+	dev_info(adev->dev, "  PA_CL_ENHANCE=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmPA_CL_ENHANCE)));
+	dev_info(adev->dev, "  PA_SC_ENHANCE=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE)));
+
+	dev_info(adev->dev, "  CP_ME_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_ME_CNTL)));
+	dev_info(adev->dev, "  CP_MAX_CONTEXT=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MAX_CONTEXT)));
+	dev_info(adev->dev, "  CP_DEVICE_ID=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_DEVICE_ID)));
+
+	dev_info(adev->dev, "  CP_SEM_WAIT_TIMER=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_SEM_WAIT_TIMER)));
+
+	dev_info(adev->dev, "  CP_RB_WPTR_DELAY=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_WPTR_DELAY)));
+	dev_info(adev->dev, "  CP_RB_VMID=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_VMID)));
+	dev_info(adev->dev, "  CP_RB0_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_CNTL)));
+	dev_info(adev->dev, "  CP_RB0_WPTR=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_WPTR)));
+	dev_info(adev->dev, "  CP_RB0_RPTR_ADDR=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_RPTR_ADDR)));
+	dev_info(adev->dev, "  CP_RB0_RPTR_ADDR_HI=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_RPTR_ADDR_HI)));
+	dev_info(adev->dev, "  CP_RB0_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_CNTL)));
+	dev_info(adev->dev, "  CP_RB0_BASE=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_BASE)));
+	dev_info(adev->dev, "  CP_RB0_BASE_HI=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_BASE_HI)));
+	dev_info(adev->dev, "  CP_MEC_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_CNTL)));
+
+	dev_info(adev->dev, "  SCRATCH_ADDR=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmSCRATCH_ADDR)));
+	dev_info(adev->dev, "  SCRATCH_UMSK=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmSCRATCH_UMSK)));
+
+	dev_info(adev->dev, "  CP_INT_CNTL_RING0=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0)));
+	dev_info(adev->dev, "  RLC_LB_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_LB_CNTL)));
+	dev_info(adev->dev, "  RLC_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CNTL)));
+	dev_info(adev->dev, "  RLC_CGCG_CGLS_CTRL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL)));
+	dev_info(adev->dev, "  RLC_LB_CNTR_INIT=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_LB_CNTR_INIT)));
+	dev_info(adev->dev, "  RLC_LB_CNTR_MAX=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_LB_CNTR_MAX)));
+	dev_info(adev->dev, "  RLC_LB_INIT_CU_MASK=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_LB_INIT_CU_MASK)));
+	dev_info(adev->dev, "  RLC_LB_PARAMS=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_LB_PARAMS)));
+	dev_info(adev->dev, "  RLC_LB_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_LB_CNTL)));
+	dev_info(adev->dev, "  RLC_UCODE_CNTL=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_UCODE_CNTL)));
+
+	dev_info(adev->dev, "  RLC_GPM_GENERAL_6=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_GENERAL_6)));
+	dev_info(adev->dev, "  RLC_GPM_GENERAL_12=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_GENERAL_12)));
+	dev_info(adev->dev, "  RLC_GPM_TIMER_INT_3=0x%08X\n",
+		 RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_TIMER_INT_3)));
+	mutex_lock(&adev->srbm_mutex);
+	for (i = 0; i < 16; i++) {
+		soc15_grbm_select(adev, 0, 0, 0, i);
+		dev_info(adev->dev, "  VM %d:\n", i);
+		dev_info(adev->dev, "  SH_MEM_CONFIG=0x%08X\n",
+			 RREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG)));
+		dev_info(adev->dev, "  SH_MEM_BASES=0x%08X\n",
+			 RREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_BASES)));
+	}
+	soc15_grbm_select(adev, 0, 0, 0, 0);
+	mutex_unlock(&adev->srbm_mutex);
+}
+
+static int gfx_v9_0_soft_reset(void *handle)
+{
+	u32 grbm_soft_reset = 0;
+	u32 tmp;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	/* GRBM_STATUS */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS));
+	if (tmp & (GRBM_STATUS__PA_BUSY_MASK | GRBM_STATUS__SC_BUSY_MASK |
+		   GRBM_STATUS__BCI_BUSY_MASK | GRBM_STATUS__SX_BUSY_MASK |
+		   GRBM_STATUS__TA_BUSY_MASK | GRBM_STATUS__VGT_BUSY_MASK |
+		   GRBM_STATUS__DB_BUSY_MASK | GRBM_STATUS__CB_BUSY_MASK |
+		   GRBM_STATUS__GDS_BUSY_MASK | GRBM_STATUS__SPI_BUSY_MASK |
+		   GRBM_STATUS__IA_BUSY_MASK | GRBM_STATUS__IA_BUSY_NO_DMA_MASK)) {
+		grbm_soft_reset = REG_SET_FIELD(grbm_soft_reset,
+						GRBM_SOFT_RESET, SOFT_RESET_CP, 1);
+		grbm_soft_reset = REG_SET_FIELD(grbm_soft_reset,
+						GRBM_SOFT_RESET, SOFT_RESET_GFX, 1);
+	}
+
+	if (tmp & (GRBM_STATUS__CP_BUSY_MASK | GRBM_STATUS__CP_COHERENCY_BUSY_MASK)) {
+		grbm_soft_reset = REG_SET_FIELD(grbm_soft_reset,
+						GRBM_SOFT_RESET, SOFT_RESET_CP, 1);
+	}
+
+	/* GRBM_STATUS2 */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS2));
+	if (REG_GET_FIELD(tmp, GRBM_STATUS2, RLC_BUSY))
+		grbm_soft_reset = REG_SET_FIELD(grbm_soft_reset,
+						GRBM_SOFT_RESET, SOFT_RESET_RLC, 1);
+
+
+	if (grbm_soft_reset ) {
+		gfx_v9_0_print_status((void *)adev);
+		/* stop the rlc */
+		gfx_v9_0_rlc_stop(adev);
+
+		/* Disable GFX parsing/prefetching */
+		gfx_v9_0_cp_gfx_enable(adev, false);
+
+		/* Disable MEC parsing/prefetching */
+		gfx_v9_0_cp_compute_enable(adev, false);
+
+		if (grbm_soft_reset) {
+			tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET));
+			tmp |= grbm_soft_reset;
+			dev_info(adev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET), tmp);
+			tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET));
+
+			udelay(50);
+
+			tmp &= ~grbm_soft_reset;
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET), tmp);
+			tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_SOFT_RESET));
+		}
+
+		/* Wait a little for things to settle down */
+		udelay(50);
+		gfx_v9_0_print_status((void *)adev);
+	}
+	return 0;
+}
+
+static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev)
+{
+	uint64_t clock;
+
+	mutex_lock(&adev->gfx.gpu_clock_mutex);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CAPTURE_GPU_CLOCK_COUNT), 1);
+	clock = (uint64_t)RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPU_CLOCK_COUNT_LSB)) |
+		((uint64_t)RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_GPU_CLOCK_COUNT_MSB)) << 32ULL);
+	mutex_unlock(&adev->gfx.gpu_clock_mutex);
+	return clock;
+}
+
+static void gfx_v9_0_ring_emit_gds_switch(struct amdgpu_ring *ring,
+					  uint32_t vmid,
+					  uint32_t gds_base, uint32_t gds_size,
+					  uint32_t gws_base, uint32_t gws_size,
+					  uint32_t oa_base, uint32_t oa_size)
+{
+	gds_base = gds_base >> AMDGPU_GDS_SHIFT;
+	gds_size = gds_size >> AMDGPU_GDS_SHIFT;
+
+	gws_base = gws_base >> AMDGPU_GWS_SHIFT;
+	gws_size = gws_size >> AMDGPU_GWS_SHIFT;
+
+	oa_base = oa_base >> AMDGPU_OA_SHIFT;
+	oa_size = oa_size >> AMDGPU_OA_SHIFT;
+
+	/* GDS Base */
+	gfx_v9_0_write_data_to_reg(ring, 0, false,
+				   amdgpu_gds_reg_offset[vmid].mem_base,
+				   gds_base);
+
+	/* GDS Size */
+	gfx_v9_0_write_data_to_reg(ring, 0, false,
+				   amdgpu_gds_reg_offset[vmid].mem_size,
+				   gds_size);
+
+	/* GWS */
+	gfx_v9_0_write_data_to_reg(ring, 0, false,
+				   amdgpu_gds_reg_offset[vmid].gws,
+				   gws_size << GDS_GWS_VMID0__SIZE__SHIFT | gws_base);
+
+	/* OA */
+	gfx_v9_0_write_data_to_reg(ring, 0, false,
+				   amdgpu_gds_reg_offset[vmid].oa,
+				   (1 << (oa_size + oa_base)) - (1 << oa_base));
+}
+
+static int gfx_v9_0_early_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	adev->gfx.num_gfx_rings = GFX9_NUM_GFX_RINGS;
+	adev->gfx.num_compute_rings = GFX9_NUM_COMPUTE_RINGS;
+	gfx_v9_0_set_ring_funcs(adev);
+	gfx_v9_0_set_irq_funcs(adev);
+	gfx_v9_0_set_gds_init(adev);
+	gfx_v9_0_set_rlc_funcs(adev);
+
+	return 0;
+}
+
+static int gfx_v9_0_late_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int r;
+
+	r = amdgpu_irq_get(adev, &adev->gfx.priv_reg_irq, 0);
+	if (r)
+		return r;
+
+	r = amdgpu_irq_get(adev, &adev->gfx.priv_inst_irq, 0);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+static void gfx_v9_0_enter_rlc_safe_mode(struct amdgpu_device *adev)
+{
+	uint32_t rlc_setting, data;
+	unsigned i;
+
+	if (adev->gfx.rlc.in_safe_mode)
+		return;
+
+	/* if RLC is not enabled, do nothing */
+	rlc_setting = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CNTL));
+	if (!(rlc_setting & RLC_CNTL__RLC_ENABLE_F32_MASK))
+		return;
+
+	if (adev->cg_flags &
+	    (AMD_CG_SUPPORT_GFX_CGCG | AMD_CG_SUPPORT_GFX_MGCG |
+	     AMD_CG_SUPPORT_GFX_3D_CGCG)) {
+		data = RLC_SAFE_MODE__CMD_MASK;
+		data |= (1 << RLC_SAFE_MODE__MESSAGE__SHIFT);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_SAFE_MODE), data);
+
+		/* wait for RLC_SAFE_MODE */
+		for (i = 0; i < adev->usec_timeout; i++) {
+			if (!REG_GET_FIELD(SOC15_REG_OFFSET(GC, 0, mmRLC_SAFE_MODE), RLC_SAFE_MODE, CMD))
+				break;
+			udelay(1);
+		}
+		adev->gfx.rlc.in_safe_mode = true;
+	}
+}
+
+static void gfx_v9_0_exit_rlc_safe_mode(struct amdgpu_device *adev)
+{
+	uint32_t rlc_setting, data;
+
+	if (!adev->gfx.rlc.in_safe_mode)
+		return;
+
+	/* if RLC is not enabled, do nothing */
+	rlc_setting = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CNTL));
+	if (!(rlc_setting & RLC_CNTL__RLC_ENABLE_F32_MASK))
+		return;
+
+	if (adev->cg_flags &
+	    (AMD_CG_SUPPORT_GFX_CGCG | AMD_CG_SUPPORT_GFX_MGCG)) {
+		/*
+		 * Try to exit safe mode only if it is already in safe
+		 * mode.
+		 */
+		data = RLC_SAFE_MODE__CMD_MASK;
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_SAFE_MODE), data);
+		adev->gfx.rlc.in_safe_mode = false;
+	}
+}
+
+static void gfx_v9_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+						      bool enable)
+{
+	uint32_t data, def;
+
+	/* It is disabled by HW by default */
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG)) {
+		/* 1 - RLC_CGTT_MGCG_OVERRIDE */
+		def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE));
+		data &= ~(RLC_CGTT_MGCG_OVERRIDE__CPF_CGTT_SCLK_OVERRIDE_MASK |
+			  RLC_CGTT_MGCG_OVERRIDE__GRBM_CGTT_SCLK_OVERRIDE_MASK |
+			  RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK |
+			  RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGLS_OVERRIDE_MASK);
+
+		/* only for Vega10 & Raven1 */
+		data |= RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK;
+
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE), data);
+
+		/* MGLS is a global flag to control all MGLS in GFX */
+		if (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGLS) {
+			/* 2 - RLC memory Light sleep */
+			if (adev->cg_flags & AMD_CG_SUPPORT_GFX_RLC_LS) {
+				def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_MEM_SLP_CNTL));
+				data |= RLC_MEM_SLP_CNTL__RLC_MEM_LS_EN_MASK;
+				if (def != data)
+					WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_MEM_SLP_CNTL), data);
+			}
+			/* 3 - CP memory Light sleep */
+			if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CP_LS) {
+				def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEM_SLP_CNTL));
+				data |= CP_MEM_SLP_CNTL__CP_MEM_LS_EN_MASK;
+				if (def != data)
+					WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEM_SLP_CNTL), data);
+			}
+		}
+	} else {
+		/* 1 - MGCG_OVERRIDE */
+		def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE));
+		data |= (RLC_CGTT_MGCG_OVERRIDE__CPF_CGTT_SCLK_OVERRIDE_MASK |
+			 RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK |
+			 RLC_CGTT_MGCG_OVERRIDE__GRBM_CGTT_SCLK_OVERRIDE_MASK |
+			 RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK |
+			 RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGLS_OVERRIDE_MASK);
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE), data);
+
+		/* 2 - disable MGLS in RLC */
+		data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_MEM_SLP_CNTL));
+		if (data & RLC_MEM_SLP_CNTL__RLC_MEM_LS_EN_MASK) {
+			data &= ~RLC_MEM_SLP_CNTL__RLC_MEM_LS_EN_MASK;
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_MEM_SLP_CNTL), data);
+		}
+
+		/* 3 - disable MGLS in CP */
+		data = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEM_SLP_CNTL));
+		if (data & CP_MEM_SLP_CNTL__CP_MEM_LS_EN_MASK) {
+			data &= ~CP_MEM_SLP_CNTL__CP_MEM_LS_EN_MASK;
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEM_SLP_CNTL), data);
+		}
+	}
+}
+
+static void gfx_v9_0_update_3d_clock_gating(struct amdgpu_device *adev,
+					   bool enable)
+{
+	uint32_t data, def;
+
+	adev->gfx.rlc.funcs->enter_safe_mode(adev);
+
+	/* Enable 3D CGCG/CGLS */
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_3D_CGCG)) {
+		/* write cmd to clear cgcg/cgls ov */
+		def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE));
+		/* unset CGCG override */
+		data &= ~RLC_CGTT_MGCG_OVERRIDE__GFXIP_GFX3D_CG_OVERRIDE_MASK;
+		/* update CGCG and CGLS override bits */
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE), data);
+		/* enable 3Dcgcg FSM(0x0020003f) */
+		def = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D));
+		data = (0x2000 << RLC_CGCG_CGLS_CTRL_3D__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |
+			RLC_CGCG_CGLS_CTRL_3D__CGCG_EN_MASK;
+		if (adev->cg_flags & AMD_CG_SUPPORT_GFX_3D_CGLS)
+			data |= (0x000F << RLC_CGCG_CGLS_CTRL_3D__CGLS_REP_COMPANSAT_DELAY__SHIFT) |
+				RLC_CGCG_CGLS_CTRL_3D__CGLS_EN_MASK;
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D), data);
+
+		/* set IDLE_POLL_COUNT(0x00900100) */
+		def = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_WPTR_POLL_CNTL));
+		data = (0x0100 << CP_RB_WPTR_POLL_CNTL__POLL_FREQUENCY__SHIFT) |
+			(0x0090 << CP_RB_WPTR_POLL_CNTL__IDLE_POLL_COUNT__SHIFT);
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_WPTR_POLL_CNTL), data);
+	} else {
+		/* Disable CGCG/CGLS */
+		def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D));
+		/* disable cgcg, cgls should be disabled */
+		data &= ~(RLC_CGCG_CGLS_CTRL_3D__CGCG_EN_MASK |
+			  RLC_CGCG_CGLS_CTRL_3D__CGLS_EN_MASK);
+		/* disable cgcg and cgls in FSM */
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D), data);
+	}
+
+	adev->gfx.rlc.funcs->exit_safe_mode(adev);
+}
+
+static void gfx_v9_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev,
+						      bool enable)
+{
+	uint32_t def, data;
+
+	adev->gfx.rlc.funcs->enter_safe_mode(adev);
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGCG)) {
+		def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE));
+		/* unset CGCG override */
+		data &= ~RLC_CGTT_MGCG_OVERRIDE__GFXIP_CGCG_OVERRIDE_MASK;
+		if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGLS)
+			data &= ~RLC_CGTT_MGCG_OVERRIDE__GFXIP_CGLS_OVERRIDE_MASK;
+		else
+			data |= RLC_CGTT_MGCG_OVERRIDE__GFXIP_CGLS_OVERRIDE_MASK;
+		/* update CGCG and CGLS override bits */
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE), data);
+
+		/* enable cgcg FSM(0x0020003F) */
+		def = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL));
+		data = (0x2000 << RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |
+			RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;
+		if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGLS)
+			data |= (0x000F << RLC_CGCG_CGLS_CTRL__CGLS_REP_COMPANSAT_DELAY__SHIFT) |
+				RLC_CGCG_CGLS_CTRL__CGLS_EN_MASK;
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL), data);
+
+		/* set IDLE_POLL_COUNT(0x00900100) */
+		def = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_WPTR_POLL_CNTL));
+		data = (0x0100 << CP_RB_WPTR_POLL_CNTL__POLL_FREQUENCY__SHIFT) |
+			(0x0090 << CP_RB_WPTR_POLL_CNTL__IDLE_POLL_COUNT__SHIFT);
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB_WPTR_POLL_CNTL), data);
+	} else {
+		def = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL));
+		/* reset CGCG/CGLS bits */
+		data &= ~(RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK | RLC_CGCG_CGLS_CTRL__CGLS_EN_MASK);
+		/* disable cgcg and cgls in FSM */
+		if (def != data)
+			WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL), data);
+	}
+
+	adev->gfx.rlc.funcs->exit_safe_mode(adev);
+}
+
+static int gfx_v9_0_update_gfx_clock_gating(struct amdgpu_device *adev,
+					    bool enable)
+{
+	if (enable) {
+		/* CGCG/CGLS should be enabled after MGCG/MGLS
+		 * ===  MGCG + MGLS ===
+		 */
+		gfx_v9_0_update_medium_grain_clock_gating(adev, enable);
+		/* ===  CGCG /CGLS for GFX 3D Only === */
+		gfx_v9_0_update_3d_clock_gating(adev, enable);
+		/* ===  CGCG + CGLS === */
+		gfx_v9_0_update_coarse_grain_clock_gating(adev, enable);
+	} else {
+		/* CGCG/CGLS should be disabled before MGCG/MGLS
+		 * ===  CGCG + CGLS ===
+		 */
+		gfx_v9_0_update_coarse_grain_clock_gating(adev, enable);
+		/* ===  CGCG /CGLS for GFX 3D Only === */
+		gfx_v9_0_update_3d_clock_gating(adev, enable);
+		/* ===  MGCG + MGLS === */
+		gfx_v9_0_update_medium_grain_clock_gating(adev, enable);
+	}
+	return 0;
+}
+
+static const struct amdgpu_rlc_funcs gfx_v9_0_rlc_funcs = {
+	.enter_safe_mode = gfx_v9_0_enter_rlc_safe_mode,
+	.exit_safe_mode = gfx_v9_0_exit_rlc_safe_mode
+};
+
+static int gfx_v9_0_set_powergating_state(void *handle,
+					  enum amd_powergating_state state)
+{
+	return 0;
+}
+
+static int gfx_v9_0_set_clockgating_state(void *handle,
+					  enum amd_clockgating_state state)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+		gfx_v9_0_update_gfx_clock_gating(adev,
+						 state == AMD_CG_STATE_GATE ? true : false);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static u64 gfx_v9_0_ring_get_rptr_gfx(struct amdgpu_ring *ring)
+{
+	return ring->adev->wb.wb[ring->rptr_offs]; /* gfx9 is 32bit rptr*/
+}
+
+static u64 gfx_v9_0_ring_get_wptr_gfx(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+	u64 wptr;
+
+	/* XXX check if swapping is necessary on BE */
+	if (ring->use_doorbell) {
+		wptr = atomic64_read((atomic64_t *)&adev->wb.wb[ring->wptr_offs]);
+	} else {
+		wptr = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_WPTR));
+		wptr += (u64)RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_WPTR_HI)) << 32;
+	}
+
+	return wptr;
+}
+
+static void gfx_v9_0_ring_set_wptr_gfx(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring->use_doorbell) {
+		/* XXX check if swapping is necessary on BE */
+		atomic64_set((atomic64_t*)&adev->wb.wb[ring->wptr_offs], ring->wptr);
+		WDOORBELL64(ring->doorbell_index, ring->wptr);
+	} else {
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_WPTR), lower_32_bits(ring->wptr));
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_RB0_WPTR_HI), upper_32_bits(ring->wptr));
+	}
+}
+
+static void gfx_v9_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
+{
+	u32 ref_and_mask, reg_mem_engine;
+	struct nbio_hdp_flush_reg *nbio_hf_reg;
+
+	if (ring->adev->asic_type == CHIP_VEGA10)
+		nbio_hf_reg = &nbio_v6_1_hdp_flush_reg;
+
+	if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) {
+		switch (ring->me) {
+		case 1:
+			ref_and_mask = nbio_hf_reg->ref_and_mask_cp2 << ring->pipe;
+			break;
+		case 2:
+			ref_and_mask = nbio_hf_reg->ref_and_mask_cp6 << ring->pipe;
+			break;
+		default:
+			return;
+		}
+		reg_mem_engine = 0;
+	} else {
+		ref_and_mask = nbio_hf_reg->ref_and_mask_cp0;
+		reg_mem_engine = 1; /* pfp */
+	}
+
+	gfx_v9_0_wait_reg_mem(ring, reg_mem_engine, 0, 1,
+			      nbio_hf_reg->hdp_flush_req_offset,
+			      nbio_hf_reg->hdp_flush_done_offset,
+			      ref_and_mask, ref_and_mask, 0x20);
+}
+
+static void gfx_v9_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
+{
+	gfx_v9_0_write_data_to_reg(ring, 0, true,
+				   SOC15_REG_OFFSET(HDP, 0, mmHDP_DEBUG0), 1);
+}
+
+static void gfx_v9_0_ring_emit_ib_gfx(struct amdgpu_ring *ring,
+                                      struct amdgpu_ib *ib,
+                                      unsigned vm_id, bool ctx_switch)
+{
+        u32 header, control = 0;
+
+        if (ib->flags & AMDGPU_IB_FLAG_CE)
+                header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
+        else
+                header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
+
+        control |= ib->length_dw | (vm_id << 24);
+
+        amdgpu_ring_write(ring, header);
+	BUG_ON(ib->gpu_addr & 0x3); /* Dword align */
+        amdgpu_ring_write(ring,
+#ifdef __BIG_ENDIAN
+                          (2 << 0) |
+#endif
+                          lower_32_bits(ib->gpu_addr));
+        amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
+        amdgpu_ring_write(ring, control);
+}
+
+#define	INDIRECT_BUFFER_VALID                   (1 << 23)
+
+static void gfx_v9_0_ring_emit_ib_compute(struct amdgpu_ring *ring,
+                                          struct amdgpu_ib *ib,
+                                          unsigned vm_id, bool ctx_switch)
+{
+        u32 control = INDIRECT_BUFFER_VALID | ib->length_dw | (vm_id << 24);
+
+        amdgpu_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
+	BUG_ON(ib->gpu_addr & 0x3); /* Dword align */
+        amdgpu_ring_write(ring,
+#ifdef __BIG_ENDIAN
+                                (2 << 0) |
+#endif
+                                lower_32_bits(ib->gpu_addr));
+        amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
+        amdgpu_ring_write(ring, control);
+}
+
+static void gfx_v9_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+				     u64 seq, unsigned flags)
+{
+	bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
+	bool int_sel = flags & AMDGPU_FENCE_FLAG_INT;
+
+	/* RELEASE_MEM - flush caches, send int */
+	amdgpu_ring_write(ring, PACKET3(PACKET3_RELEASE_MEM, 6));
+	amdgpu_ring_write(ring, (EOP_TCL1_ACTION_EN |
+				 EOP_TC_ACTION_EN |
+				 EOP_TC_WB_ACTION_EN |
+				 EOP_TC_MD_ACTION_EN |
+				 EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) |
+				 EVENT_INDEX(5)));
+	amdgpu_ring_write(ring, DATA_SEL(write64bit ? 2 : 1) | INT_SEL(int_sel ? 2 : 0));
+
+	/*
+	 * the address should be Qword aligned if 64bit write, Dword
+	 * aligned if only send 32bit data low (discard data high)
+	 */
+	if (write64bit)
+		BUG_ON(addr & 0x7);
+	else
+		BUG_ON(addr & 0x3);
+	amdgpu_ring_write(ring, lower_32_bits(addr));
+	amdgpu_ring_write(ring, upper_32_bits(addr));
+	amdgpu_ring_write(ring, lower_32_bits(seq));
+	amdgpu_ring_write(ring, upper_32_bits(seq));
+	amdgpu_ring_write(ring, 0);
+}
+
+static void gfx_v9_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
+{
+	int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX);
+	uint32_t seq = ring->fence_drv.sync_seq;
+	uint64_t addr = ring->fence_drv.gpu_addr;
+
+	gfx_v9_0_wait_reg_mem(ring, usepfp, 1, 0,
+			      lower_32_bits(addr), upper_32_bits(addr),
+			      seq, 0xffffffff, 4);
+}
+
+static void gfx_v9_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
+					unsigned vm_id, uint64_t pd_addr)
+{
+	int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX);
+	unsigned eng = ring->idx;
+	unsigned i;
+
+	pd_addr = pd_addr | 0x1; /* valid bit */
+	/* now only use physical base address of PDE and valid */
+	BUG_ON(pd_addr & 0xFFFF00000000003EULL);
+
+	for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) {
+		struct amdgpu_vmhub *hub = &ring->adev->vmhub[i];
+		uint32_t req = hub->get_invalidate_req(vm_id);
+
+		gfx_v9_0_write_data_to_reg(ring, usepfp, true,
+					   hub->ctx0_ptb_addr_lo32
+					   + (2 * vm_id),
+					   lower_32_bits(pd_addr));
+
+		gfx_v9_0_write_data_to_reg(ring, usepfp, true,
+					   hub->ctx0_ptb_addr_hi32
+					   + (2 * vm_id),
+					   upper_32_bits(pd_addr));
+
+		gfx_v9_0_write_data_to_reg(ring, usepfp, true,
+					   hub->vm_inv_eng0_req + eng, req);
+
+		/* wait for the invalidate to complete */
+		gfx_v9_0_wait_reg_mem(ring, 0, 0, 0, hub->vm_inv_eng0_ack +
+				      eng, 0, 1 << vm_id, 1 << vm_id, 0x20);
+	}
+
+	/* compute doesn't have PFP */
+	if (usepfp) {
+		/* sync PFP to ME, otherwise we might get invalid PFP reads */
+		amdgpu_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+		amdgpu_ring_write(ring, 0x0);
+		/* Emits 128 dw nop to prevent CE access VM before vm_flush finish */
+		amdgpu_ring_insert_nop(ring, 128);
+	}
+}
+
+static u64 gfx_v9_0_ring_get_rptr_compute(struct amdgpu_ring *ring)
+{
+	return ring->adev->wb.wb[ring->rptr_offs]; /* gfx9 hardware is 32bit rptr */
+}
+
+static u64 gfx_v9_0_ring_get_wptr_compute(struct amdgpu_ring *ring)
+{
+	u64 wptr;
+
+	/* XXX check if swapping is necessary on BE */
+	if (ring->use_doorbell)
+		wptr = atomic64_read((atomic64_t *)&ring->adev->wb.wb[ring->wptr_offs]);
+	else
+		BUG();
+	return wptr;
+}
+
+static void gfx_v9_0_ring_set_wptr_compute(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	/* XXX check if swapping is necessary on BE */
+	if (ring->use_doorbell) {
+		atomic64_set((atomic64_t*)&adev->wb.wb[ring->wptr_offs], ring->wptr);
+		WDOORBELL64(ring->doorbell_index, ring->wptr);
+	} else{
+		BUG(); /* only DOORBELL method supported on gfx9 now */
+	}
+}
+
+static void gfx_v9_ring_emit_sb(struct amdgpu_ring *ring)
+{
+	amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+	amdgpu_ring_write(ring, 0);
+}
+
+static void gfx_v9_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags)
+{
+	uint32_t dw2 = 0;
+
+	dw2 |= 0x80000000; /* set load_enable otherwise this package is just NOPs */
+	if (flags & AMDGPU_HAVE_CTX_SWITCH) {
+		/* set load_global_config & load_global_uconfig */
+		dw2 |= 0x8001;
+		/* set load_cs_sh_regs */
+		dw2 |= 0x01000000;
+		/* set load_per_context_state & load_gfx_sh_regs for GFX */
+		dw2 |= 0x10002;
+
+		/* set load_ce_ram if preamble presented */
+		if (AMDGPU_PREAMBLE_IB_PRESENT & flags)
+			dw2 |= 0x10000000;
+	} else {
+		/* still load_ce_ram if this is the first time preamble presented
+		 * although there is no context switch happens.
+		 */
+		if (AMDGPU_PREAMBLE_IB_PRESENT_FIRST & flags)
+			dw2 |= 0x10000000;
+	}
+
+	amdgpu_ring_write(ring, PACKET3(PACKET3_CONTEXT_CONTROL, 1));
+	amdgpu_ring_write(ring, dw2);
+	amdgpu_ring_write(ring, 0);
+}
+
+static void gfx_v9_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev,
+						 enum amdgpu_interrupt_state state)
+{
+	u32 cp_int_cntl;
+
+	switch (state) {
+	case AMDGPU_IRQ_STATE_DISABLE:
+		cp_int_cntl = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0));
+		cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0,
+					    TIME_STAMP_INT_ENABLE, 0);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0), cp_int_cntl);
+		break;
+	case AMDGPU_IRQ_STATE_ENABLE:
+		cp_int_cntl = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0));
+		cp_int_cntl =
+			REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0,
+				      TIME_STAMP_INT_ENABLE, 1);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0), cp_int_cntl);
+		break;
+	default:
+		break;
+	}
+}
+
+static void gfx_v9_0_set_compute_eop_interrupt_state(struct amdgpu_device *adev,
+						     int me, int pipe,
+						     enum amdgpu_interrupt_state state)
+{
+	u32 mec_int_cntl, mec_int_cntl_reg;
+
+	/*
+	 * amdgpu controls only pipe 0 of MEC1. That's why this function only
+	 * handles the setting of interrupts for this specific pipe. All other
+	 * pipes' interrupts are set by amdkfd.
+	 */
+
+	if (me == 1) {
+		switch (pipe) {
+		case 0:
+			mec_int_cntl_reg = SOC15_REG_OFFSET(GC, 0, mmCP_ME1_PIPE0_INT_CNTL);
+			break;
+		default:
+			DRM_DEBUG("invalid pipe %d\n", pipe);
+			return;
+		}
+	} else {
+		DRM_DEBUG("invalid me %d\n", me);
+		return;
+	}
+
+	switch (state) {
+	case AMDGPU_IRQ_STATE_DISABLE:
+		mec_int_cntl = RREG32(mec_int_cntl_reg);
+		mec_int_cntl = REG_SET_FIELD(mec_int_cntl, CP_ME1_PIPE0_INT_CNTL,
+					     TIME_STAMP_INT_ENABLE, 0);
+		WREG32(mec_int_cntl_reg, mec_int_cntl);
+		break;
+	case AMDGPU_IRQ_STATE_ENABLE:
+		mec_int_cntl = RREG32(mec_int_cntl_reg);
+		mec_int_cntl = REG_SET_FIELD(mec_int_cntl, CP_ME1_PIPE0_INT_CNTL,
+					     TIME_STAMP_INT_ENABLE, 1);
+		WREG32(mec_int_cntl_reg, mec_int_cntl);
+		break;
+	default:
+		break;
+	}
+}
+
+static int gfx_v9_0_set_priv_reg_fault_state(struct amdgpu_device *adev,
+					     struct amdgpu_irq_src *source,
+					     unsigned type,
+					     enum amdgpu_interrupt_state state)
+{
+	u32 cp_int_cntl;
+
+	switch (state) {
+	case AMDGPU_IRQ_STATE_DISABLE:
+		cp_int_cntl = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0));
+		cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0,
+					    PRIV_REG_INT_ENABLE, 0);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0), cp_int_cntl);
+		break;
+	case AMDGPU_IRQ_STATE_ENABLE:
+		cp_int_cntl = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0));
+		cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0,
+					    PRIV_REG_INT_ENABLE, 1);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0), cp_int_cntl);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int gfx_v9_0_set_priv_inst_fault_state(struct amdgpu_device *adev,
+					      struct amdgpu_irq_src *source,
+					      unsigned type,
+					      enum amdgpu_interrupt_state state)
+{
+	u32 cp_int_cntl;
+
+	switch (state) {
+	case AMDGPU_IRQ_STATE_DISABLE:
+		cp_int_cntl = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0));
+		cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0,
+					    PRIV_INSTR_INT_ENABLE, 0);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0), cp_int_cntl);
+		break;
+	case AMDGPU_IRQ_STATE_ENABLE:
+		cp_int_cntl = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0));
+		cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0,
+					    PRIV_INSTR_INT_ENABLE, 1);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_INT_CNTL_RING0), cp_int_cntl);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int gfx_v9_0_set_eop_interrupt_state(struct amdgpu_device *adev,
+					    struct amdgpu_irq_src *src,
+					    unsigned type,
+					    enum amdgpu_interrupt_state state)
+{
+	switch (type) {
+	case AMDGPU_CP_IRQ_GFX_EOP:
+		gfx_v9_0_set_gfx_eop_interrupt_state(adev, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 1, 0, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 1, 1, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 1, 2, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 1, 3, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 2, 0, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 2, 1, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 2, 2, state);
+		break;
+	case AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP:
+		gfx_v9_0_set_compute_eop_interrupt_state(adev, 2, 3, state);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int gfx_v9_0_eop_irq(struct amdgpu_device *adev,
+			    struct amdgpu_irq_src *source,
+			    struct amdgpu_iv_entry *entry)
+{
+	int i;
+	u8 me_id, pipe_id, queue_id;
+	struct amdgpu_ring *ring;
+
+	DRM_DEBUG("IH: CP EOP\n");
+	me_id = (entry->ring_id & 0x0c) >> 2;
+	pipe_id = (entry->ring_id & 0x03) >> 0;
+	queue_id = (entry->ring_id & 0x70) >> 4;
+
+	switch (me_id) {
+	case 0:
+		amdgpu_fence_process(&adev->gfx.gfx_ring[0]);
+		break;
+	case 1:
+	case 2:
+		for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+			ring = &adev->gfx.compute_ring[i];
+			/* Per-queue interrupt is supported for MEC starting from VI.
+			  * The interrupt can only be enabled/disabled per pipe instead of per queue.
+			  */
+			if ((ring->me == me_id) && (ring->pipe == pipe_id) && (ring->queue == queue_id))
+				amdgpu_fence_process(ring);
+		}
+		break;
+	}
+	return 0;
+}
+
+static int gfx_v9_0_priv_reg_irq(struct amdgpu_device *adev,
+				 struct amdgpu_irq_src *source,
+				 struct amdgpu_iv_entry *entry)
+{
+	DRM_ERROR("Illegal register access in command stream\n");
+	schedule_work(&adev->reset_work);
+	return 0;
+}
+
+static int gfx_v9_0_priv_inst_irq(struct amdgpu_device *adev,
+				  struct amdgpu_irq_src *source,
+				  struct amdgpu_iv_entry *entry)
+{
+	DRM_ERROR("Illegal instruction in command stream\n");
+	schedule_work(&adev->reset_work);
+	return 0;
+}
+
+const struct amd_ip_funcs gfx_v9_0_ip_funcs = {
+	.name = "gfx_v9_0",
+	.early_init = gfx_v9_0_early_init,
+	.late_init = gfx_v9_0_late_init,
+	.sw_init = gfx_v9_0_sw_init,
+	.sw_fini = gfx_v9_0_sw_fini,
+	.hw_init = gfx_v9_0_hw_init,
+	.hw_fini = gfx_v9_0_hw_fini,
+	.suspend = gfx_v9_0_suspend,
+	.resume = gfx_v9_0_resume,
+	.is_idle = gfx_v9_0_is_idle,
+	.wait_for_idle = gfx_v9_0_wait_for_idle,
+	.soft_reset = gfx_v9_0_soft_reset,
+	.set_clockgating_state = gfx_v9_0_set_clockgating_state,
+	.set_powergating_state = gfx_v9_0_set_powergating_state,
+};
+
+static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = {
+	.type = AMDGPU_RING_TYPE_GFX,
+	.align_mask = 0xff,
+	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
+	.support_64bit_ptrs = true,
+	.get_rptr = gfx_v9_0_ring_get_rptr_gfx,
+	.get_wptr = gfx_v9_0_ring_get_wptr_gfx,
+	.set_wptr = gfx_v9_0_ring_set_wptr_gfx,
+	.emit_frame_size =
+		20 + /* gfx_v9_0_ring_emit_gds_switch */
+		7 + /* gfx_v9_0_ring_emit_hdp_flush */
+		5 + /* gfx_v9_0_ring_emit_hdp_invalidate */
+		8 + 8 + 8 +/* gfx_v9_0_ring_emit_fence x3 for user fence, vm fence */
+		7 + /* gfx_v9_0_ring_emit_pipeline_sync */
+		128 + 66 + /* gfx_v9_0_ring_emit_vm_flush */
+		2 + /* gfx_v9_ring_emit_sb */
+		3, /* gfx_v9_ring_emit_cntxcntl */
+	.emit_ib_size =	4, /* gfx_v9_0_ring_emit_ib_gfx */
+	.emit_ib = gfx_v9_0_ring_emit_ib_gfx,
+	.emit_fence = gfx_v9_0_ring_emit_fence,
+	.emit_pipeline_sync = gfx_v9_0_ring_emit_pipeline_sync,
+	.emit_vm_flush = gfx_v9_0_ring_emit_vm_flush,
+	.emit_gds_switch = gfx_v9_0_ring_emit_gds_switch,
+	.emit_hdp_flush = gfx_v9_0_ring_emit_hdp_flush,
+	.emit_hdp_invalidate = gfx_v9_0_ring_emit_hdp_invalidate,
+	.test_ring = gfx_v9_0_ring_test_ring,
+	.test_ib = gfx_v9_0_ring_test_ib,
+	.insert_nop = amdgpu_ring_insert_nop,
+	.pad_ib = amdgpu_ring_generic_pad_ib,
+	.emit_switch_buffer = gfx_v9_ring_emit_sb,
+	.emit_cntxcntl = gfx_v9_ring_emit_cntxcntl,
+};
+
+static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = {
+	.type = AMDGPU_RING_TYPE_COMPUTE,
+	.align_mask = 0xff,
+	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
+	.support_64bit_ptrs = true,
+	.get_rptr = gfx_v9_0_ring_get_rptr_compute,
+	.get_wptr = gfx_v9_0_ring_get_wptr_compute,
+	.set_wptr = gfx_v9_0_ring_set_wptr_compute,
+	.emit_frame_size =
+		20 + /* gfx_v9_0_ring_emit_gds_switch */
+		7 + /* gfx_v9_0_ring_emit_hdp_flush */
+		5 + /* gfx_v9_0_ring_emit_hdp_invalidate */
+		7 + /* gfx_v9_0_ring_emit_pipeline_sync */
+		64 + /* gfx_v9_0_ring_emit_vm_flush */
+		8 + 8 + 8, /* gfx_v9_0_ring_emit_fence x3 for user fence, vm fence */
+	.emit_ib_size =	4, /* gfx_v9_0_ring_emit_ib_compute */
+	.emit_ib = gfx_v9_0_ring_emit_ib_compute,
+	.emit_fence = gfx_v9_0_ring_emit_fence,
+	.emit_pipeline_sync = gfx_v9_0_ring_emit_pipeline_sync,
+	.emit_vm_flush = gfx_v9_0_ring_emit_vm_flush,
+	.emit_gds_switch = gfx_v9_0_ring_emit_gds_switch,
+	.emit_hdp_flush = gfx_v9_0_ring_emit_hdp_flush,
+	.emit_hdp_invalidate = gfx_v9_0_ring_emit_hdp_invalidate,
+	.test_ring = gfx_v9_0_ring_test_ring,
+	.test_ib = gfx_v9_0_ring_test_ib,
+	.insert_nop = amdgpu_ring_insert_nop,
+	.pad_ib = amdgpu_ring_generic_pad_ib,
+};
+
+
+static void gfx_v9_0_set_ring_funcs(struct amdgpu_device *adev)
+{
+	int i;
+
+	for (i = 0; i < adev->gfx.num_gfx_rings; i++)
+		adev->gfx.gfx_ring[i].funcs = &gfx_v9_0_ring_funcs_gfx;
+
+	for (i = 0; i < adev->gfx.num_compute_rings; i++)
+		adev->gfx.compute_ring[i].funcs = &gfx_v9_0_ring_funcs_compute;
+}
+
+static const struct amdgpu_irq_src_funcs gfx_v9_0_eop_irq_funcs = {
+	.set = gfx_v9_0_set_eop_interrupt_state,
+	.process = gfx_v9_0_eop_irq,
+};
+
+static const struct amdgpu_irq_src_funcs gfx_v9_0_priv_reg_irq_funcs = {
+	.set = gfx_v9_0_set_priv_reg_fault_state,
+	.process = gfx_v9_0_priv_reg_irq,
+};
+
+static const struct amdgpu_irq_src_funcs gfx_v9_0_priv_inst_irq_funcs = {
+	.set = gfx_v9_0_set_priv_inst_fault_state,
+	.process = gfx_v9_0_priv_inst_irq,
+};
+
+static void gfx_v9_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+	adev->gfx.eop_irq.num_types = AMDGPU_CP_IRQ_LAST;
+	adev->gfx.eop_irq.funcs = &gfx_v9_0_eop_irq_funcs;
+
+	adev->gfx.priv_reg_irq.num_types = 1;
+	adev->gfx.priv_reg_irq.funcs = &gfx_v9_0_priv_reg_irq_funcs;
+
+	adev->gfx.priv_inst_irq.num_types = 1;
+	adev->gfx.priv_inst_irq.funcs = &gfx_v9_0_priv_inst_irq_funcs;
+}
+
+static void gfx_v9_0_set_rlc_funcs(struct amdgpu_device *adev)
+{
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+		adev->gfx.rlc.funcs = &gfx_v9_0_rlc_funcs;
+		break;
+	default:
+		break;
+	}
+}
+
+static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev)
+{
+	/* init asci gds info */
+	adev->gds.mem.total_size = RREG32(SOC15_REG_OFFSET(GC, 0, mmGDS_VMID0_SIZE));
+	adev->gds.gws.total_size = 64;
+	adev->gds.oa.total_size = 16;
+
+	if (adev->gds.mem.total_size == 64 * 1024) {
+		adev->gds.mem.gfx_partition_size = 4096;
+		adev->gds.mem.cs_partition_size = 4096;
+
+		adev->gds.gws.gfx_partition_size = 4;
+		adev->gds.gws.cs_partition_size = 4;
+
+		adev->gds.oa.gfx_partition_size = 4;
+		adev->gds.oa.cs_partition_size = 1;
+	} else {
+		adev->gds.mem.gfx_partition_size = 1024;
+		adev->gds.mem.cs_partition_size = 1024;
+
+		adev->gds.gws.gfx_partition_size = 16;
+		adev->gds.gws.cs_partition_size = 16;
+
+		adev->gds.oa.gfx_partition_size = 4;
+		adev->gds.oa.cs_partition_size = 4;
+	}
+}
+
+static u32 gfx_v9_0_get_cu_active_bitmap(struct amdgpu_device *adev)
+{
+	u32 data, mask;
+
+	data = RREG32(SOC15_REG_OFFSET(GC, 0, mmCC_GC_SHADER_ARRAY_CONFIG));
+	data |= RREG32(SOC15_REG_OFFSET(GC, 0, mmGC_USER_SHADER_ARRAY_CONFIG));
+
+	data &= CC_GC_SHADER_ARRAY_CONFIG__INACTIVE_CUS_MASK;
+	data >>= CC_GC_SHADER_ARRAY_CONFIG__INACTIVE_CUS__SHIFT;
+
+	mask = gfx_v9_0_create_bitmask(adev->gfx.config.max_cu_per_sh);
+
+	return (~data) & mask;
+}
+
+static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev,
+				 struct amdgpu_cu_info *cu_info)
+{
+	int i, j, k, counter, active_cu_number = 0;
+	u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0;
+
+	if (!adev || !cu_info)
+		return -EINVAL;
+
+	memset(cu_info, 0, sizeof(*cu_info));
+
+	mutex_lock(&adev->grbm_idx_mutex);
+	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
+		for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
+			mask = 1;
+			ao_bitmap = 0;
+			counter = 0;
+			gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
+			bitmap = gfx_v9_0_get_cu_active_bitmap(adev);
+			cu_info->bitmap[i][j] = bitmap;
+
+			for (k = 0; k < 16; k ++) {
+				if (bitmap & mask) {
+					if (counter < 2)
+						ao_bitmap |= mask;
+					counter ++;
+				}
+				mask <<= 1;
+			}
+			active_cu_number += counter;
+			ao_cu_mask |= (ao_bitmap << (i * 16 + j * 8));
+		}
+	}
+	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	mutex_unlock(&adev->grbm_idx_mutex);
+
+	cu_info->number = active_cu_number;
+	cu_info->ao_cu_mask = ao_cu_mask;
+
+	return 0;
+}
+
+static int gfx_v9_0_init_queue(struct amdgpu_ring *ring)
+{
+	int r, j;
+	u32 tmp;
+	bool use_doorbell = true;
+	u64 hqd_gpu_addr;
+	u64 mqd_gpu_addr;
+	u64 eop_gpu_addr;
+	u64 wb_gpu_addr;
+	u32 *buf;
+	struct v9_mqd *mqd;
+	struct amdgpu_device *adev;
+
+	adev = ring->adev;
+	if (ring->mqd_obj == NULL) {
+		r = amdgpu_bo_create(adev,
+				sizeof(struct v9_mqd),
+				PAGE_SIZE,true,
+				AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+				NULL, &ring->mqd_obj);
+		if (r) {
+			dev_warn(adev->dev, "(%d) create MQD bo failed\n", r);
+			return r;
+		}
+	}
+
+	r = amdgpu_bo_reserve(ring->mqd_obj, false);
+	if (unlikely(r != 0)) {
+		gfx_v9_0_cp_compute_fini(adev);
+		return r;
+	}
+
+	r = amdgpu_bo_pin(ring->mqd_obj, AMDGPU_GEM_DOMAIN_GTT,
+				  &mqd_gpu_addr);
+	if (r) {
+		dev_warn(adev->dev, "(%d) pin MQD bo failed\n", r);
+		gfx_v9_0_cp_compute_fini(adev);
+		return r;
+	}
+	r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&buf);
+	if (r) {
+		dev_warn(adev->dev, "(%d) map MQD bo failed\n", r);
+		gfx_v9_0_cp_compute_fini(adev);
+		return r;
+	}
+
+	/* init the mqd struct */
+	memset(buf, 0, sizeof(struct v9_mqd));
+
+	mqd = (struct v9_mqd *)buf;
+	mqd->header = 0xC0310800;
+	mqd->compute_pipelinestat_enable = 0x00000001;
+	mqd->compute_static_thread_mgmt_se0 = 0xffffffff;
+	mqd->compute_static_thread_mgmt_se1 = 0xffffffff;
+	mqd->compute_static_thread_mgmt_se2 = 0xffffffff;
+	mqd->compute_static_thread_mgmt_se3 = 0xffffffff;
+	mqd->compute_misc_reserved = 0x00000003;
+	mutex_lock(&adev->srbm_mutex);
+	soc15_grbm_select(adev, ring->me,
+			       ring->pipe,
+			       ring->queue, 0);
+	/* disable wptr polling */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL));
+	tmp = REG_SET_FIELD(tmp, CP_PQ_WPTR_POLL_CNTL, EN, 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL), tmp);
+
+	/* write the EOP addr */
+	BUG_ON(ring->me != 1 || ring->pipe != 0); /* can't handle other cases eop address */
+	eop_gpu_addr = adev->gfx.mec.hpd_eop_gpu_addr + (ring->queue * MEC_HPD_SIZE);
+	eop_gpu_addr >>= 8;
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_EOP_BASE_ADDR), lower_32_bits(eop_gpu_addr));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_EOP_BASE_ADDR_HI), upper_32_bits(eop_gpu_addr));
+	mqd->cp_hqd_eop_base_addr_lo = lower_32_bits(eop_gpu_addr);
+	mqd->cp_hqd_eop_base_addr_hi = upper_32_bits(eop_gpu_addr);
+
+	/* set the EOP size, register value is 2^(EOP_SIZE+1) dwords */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_EOP_CONTROL));
+	tmp = REG_SET_FIELD(tmp, CP_HQD_EOP_CONTROL, EOP_SIZE,
+				    (order_base_2(MEC_HPD_SIZE / 4) - 1));
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_EOP_CONTROL), tmp);
+
+	/* enable doorbell? */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL));
+	if (use_doorbell)
+		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
+	else
+		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 0);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL), tmp);
+	mqd->cp_hqd_pq_doorbell_control = tmp;
+
+	/* disable the queue if it's active */
+	ring->wptr = 0;
+	mqd->cp_hqd_dequeue_request = 0;
+	mqd->cp_hqd_pq_rptr = 0;
+	mqd->cp_hqd_pq_wptr_lo = 0;
+	mqd->cp_hqd_pq_wptr_hi = 0;
+	if (RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE)) & 1) {
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_DEQUEUE_REQUEST), 1);
+		for (j = 0; j < adev->usec_timeout; j++) {
+			if (!(RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE)) & 1))
+				break;
+			udelay(1);
+		}
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_DEQUEUE_REQUEST), mqd->cp_hqd_dequeue_request);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_RPTR), mqd->cp_hqd_pq_rptr);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_LO), mqd->cp_hqd_pq_wptr_lo);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI), mqd->cp_hqd_pq_wptr_hi);
+	}
+
+	/* set the pointer to the MQD */
+	mqd->cp_mqd_base_addr_lo = mqd_gpu_addr & 0xfffffffc;
+	mqd->cp_mqd_base_addr_hi = upper_32_bits(mqd_gpu_addr);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR), mqd->cp_mqd_base_addr_lo);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR_HI), mqd->cp_mqd_base_addr_hi);
+
+	/* set MQD vmid to 0 */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MQD_CONTROL));
+	tmp = REG_SET_FIELD(tmp, CP_MQD_CONTROL, VMID, 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MQD_CONTROL), tmp);
+	mqd->cp_mqd_control = tmp;
+
+	/* set the pointer to the HQD, this is similar CP_RB0_BASE/_HI */
+	hqd_gpu_addr = ring->gpu_addr >> 8;
+	mqd->cp_hqd_pq_base_lo = hqd_gpu_addr;
+	mqd->cp_hqd_pq_base_hi = upper_32_bits(hqd_gpu_addr);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE), mqd->cp_hqd_pq_base_lo);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE_HI), mqd->cp_hqd_pq_base_hi);
+
+	/* set up the HQD, this is similar to CP_RB0_CNTL */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_CONTROL));
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, QUEUE_SIZE,
+		(order_base_2(ring->ring_size / 4) - 1));
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, RPTR_BLOCK_SIZE,
+		((order_base_2(AMDGPU_GPU_PAGE_SIZE / 4) - 1) << 8));
+#ifdef __BIG_ENDIAN
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, ENDIAN_SWAP, 1);
+#endif
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, UNORD_DISPATCH, 0);
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, ROQ_PQ_IB_FLIP, 0);
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, PRIV_STATE, 1);
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, KMD_QUEUE, 1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_CONTROL), tmp);
+	mqd->cp_hqd_pq_control = tmp;
+
+	/* set the wb address wether it's enabled or not */
+	wb_gpu_addr = adev->wb.gpu_addr + (ring->rptr_offs * 4);
+	mqd->cp_hqd_pq_rptr_report_addr_lo = wb_gpu_addr & 0xfffffffc;
+	mqd->cp_hqd_pq_rptr_report_addr_hi =
+	upper_32_bits(wb_gpu_addr) & 0xffff;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_RPTR_REPORT_ADDR),
+		mqd->cp_hqd_pq_rptr_report_addr_lo);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_RPTR_REPORT_ADDR_HI),
+		mqd->cp_hqd_pq_rptr_report_addr_hi);
+
+	/* only used if CP_PQ_WPTR_POLL_CNTL.CP_PQ_WPTR_POLL_CNTL__EN_MASK=1 */
+	wb_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
+	mqd->cp_hqd_pq_wptr_poll_addr_lo = wb_gpu_addr & 0xfffffffc;
+	mqd->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr) & 0xffff;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR),
+		mqd->cp_hqd_pq_wptr_poll_addr_lo);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI),
+		mqd->cp_hqd_pq_wptr_poll_addr_hi);
+
+	/* enable the doorbell if requested */
+	if (use_doorbell) {
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER),
+			(AMDGPU_DOORBELL64_KIQ * 2) << 2);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER),
+			(AMDGPU_DOORBELL64_MEC_RING7 * 2) << 2);
+		tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL));
+		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL,
+			DOORBELL_OFFSET, ring->doorbell_index);
+		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
+		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_SOURCE, 0);
+		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_HIT, 0);
+		mqd->cp_hqd_pq_doorbell_control = tmp;
+
+	} else {
+		mqd->cp_hqd_pq_doorbell_control = 0;
+	}
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL),
+		mqd->cp_hqd_pq_doorbell_control);
+
+	/* reset read and write pointers, similar to CP_RB0_WPTR/_RPTR */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_LO), mqd->cp_hqd_pq_wptr_lo);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI), mqd->cp_hqd_pq_wptr_hi);
+
+	/* set the vmid for the queue */
+	mqd->cp_hqd_vmid = 0;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_VMID), mqd->cp_hqd_vmid);
+
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PERSISTENT_STATE));
+	tmp = REG_SET_FIELD(tmp, CP_HQD_PERSISTENT_STATE, PRELOAD_SIZE, 0x53);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PERSISTENT_STATE), tmp);
+	mqd->cp_hqd_persistent_state = tmp;
+
+	/* activate the queue */
+	mqd->cp_hqd_active = 1;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE), mqd->cp_hqd_active);
+
+	soc15_grbm_select(adev, 0, 0, 0, 0);
+	mutex_unlock(&adev->srbm_mutex);
+
+	amdgpu_bo_kunmap(ring->mqd_obj);
+	amdgpu_bo_unreserve(ring->mqd_obj);
+
+	if (use_doorbell) {
+		tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_STATUS));
+		tmp = REG_SET_FIELD(tmp, CP_PQ_STATUS, DOORBELL_ENABLE, 1);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_STATUS), tmp);
+	}
+
+	return 0;
+}
+
+const struct amdgpu_ip_block_version gfx_v9_0_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_GFX,
+	.major = 9,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &gfx_v9_0_ip_funcs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h
new file mode 100644
index 0000000..56ef652
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __GFX_V9_0_H__
+#define __GFX_V9_0_H__
+
+extern const struct amd_ip_funcs gfx_v9_0_ip_funcs;
+extern const struct amdgpu_ip_block_version gfx_v9_0_ip_block;
+
+void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num);
+
+uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev);
+int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, struct amdgpu_cu_info *cu_info);
+
+#endif
-- 
2.5.5



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