add amdgpu_mmhub_funcs definition and initialize it,
prepare for mmhub ras enablement
Signed-off-by: Tao Zhou <tao.zhou1@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h | 31 +++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 12 +++++++++
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 9 +++++++
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h | 2 ++
5 files changed, 56 insertions(+)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 41f677613ffa..ed1a217e86e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -87,6 +87,7 @@
#include "amdgpu_discovery.h"
#include "amdgpu_mes.h"
#include "amdgpu_umc.h"
+#include "amdgpu_mmhub.h"
#define MAX_GPU_INSTANCE 16
@@ -979,6 +980,7 @@ struct amdgpu_device {
const struct amdgpu_nbio_funcs *nbio_funcs;
const struct amdgpu_df_funcs *df_funcs;
+ const struct amdgpu_mmhub_funcs *mmhub_funcs;
/* delayed work_func for deferring clockgating during resume */
struct delayed_work delayed_init_work;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
new file mode 100644
index 000000000000..2d75ecfa199b
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2019 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) 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 __AMDGPU_MMHUB_H__
+#define __AMDGPU_MMHUB_H__
+
+struct amdgpu_mmhub_funcs {
+ void (*ras_init)(struct amdgpu_device *adev);
+ void (*query_ras_error_count)(struct amdgpu_device *adev,
+ void *ras_error_status);
+};
+
+#endif
+
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index a2aa35eb512c..ce8ff7172883 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -652,6 +652,17 @@ static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev)
}
}
+static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
+{
+ switch (adev->asic_type) {
+ case CHIP_VEGA20:
+ adev->mmhub_funcs = &mmhub_v1_0_funcs;
+ break;
+ default:
+ break;
+ }
+}
+
static int gmc_v9_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -659,6 +670,7 @@ static int gmc_v9_0_early_init(void *handle)
gmc_v9_0_set_gmc_funcs(adev);
gmc_v9_0_set_irq_funcs(adev);
gmc_v9_0_set_umc_funcs(adev);
+ gmc_v9_0_set_mmhub_funcs(adev);
adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
adev->gmc.shared_aperture_end =
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 292f3b1cddf2..fa961e0b6f2f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -584,3 +584,12 @@ void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_MC_LS;
}
+
+static void mmhub_v1_0_query_ras_error_count(struct amdgpu_device *adev,
+ void *ras_error_status)
+{
+}
+
+const struct amdgpu_mmhub_funcs mmhub_v1_0_funcs = {
+ .query_ras_error_count = mmhub_v1_0_query_ras_error_count,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
index 0de0fdf98c00..c43319e8f945 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
@@ -23,6 +23,8 @@
#ifndef __MMHUB_V1_0_H__
#define __MMHUB_V1_0_H__
+extern const struct amdgpu_mmhub_funcs mmhub_v1_0_funcs;
+
u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev);
int mmhub_v1_0_gart_enable(struct amdgpu_device *adev);
void mmhub_v1_0_gart_disable(struct amdgpu_device *adev);
--
2.17.1
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