v2: move the config struct to drm_amdgpu_info_device
Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 7 +++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 1 +
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 6 ++++++
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 6 ++++++
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 16 +++++++++++++++-
include/uapi/drm/amdgpu_drm.h | 2 ++
6 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 7f1421f..9204545 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -873,6 +873,10 @@ struct amdgpu_gfx_funcs {
void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst);
};
+struct amdgpu_gfx_config {
+ uint32_t double_offchip_lds_buf;
+};
+
struct amdgpu_gfx {
struct mutex gpu_clock_mutex;
struct amdgpu_gca_config config;
@@ -916,6 +920,9 @@ struct amdgpu_gfx {
uint32_t grbm_soft_reset;
uint32_t srbm_soft_reset;
bool in_reset;
+
+ /* gfx config */
+ struct amdgpu_gfx_config gc;
};
int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 6b9bf0e..922ae3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -545,6 +545,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
dev_info.vram_type = adev->mc.vram_type;
dev_info.vram_bit_width = adev->mc.vram_width;
dev_info.vce_harvest_config = adev->vce.harvest_config;
+ dev_info.gc_double_offchip_lds_buf = adev->gfx.gc.double_offchip_lds_buf;
return copy_to_user(out, &dev_info,
min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index 782190d..b758283 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -1579,6 +1579,11 @@ static void gfx_v6_0_setup_spi(struct amdgpu_device *adev)
mutex_unlock(&adev->grbm_idx_mutex);
}
+static void gfx_v6_0_config_init(struct amdgpu_device *adev)
+{
+ adev->gfx.gc.double_offchip_lds_buf = 1;
+}
+
static void gfx_v6_0_gpu_init(struct amdgpu_device *adev)
{
u32 gb_addr_config = 0;
@@ -1736,6 +1741,7 @@ static void gfx_v6_0_gpu_init(struct amdgpu_device *adev)
gfx_v6_0_setup_spi(adev);
gfx_v6_0_get_cu_info(adev);
+ gfx_v6_0_config_init(adev);
WREG32(mmCP_QUEUE_THRESHOLDS, ((0x16 << CP_QUEUE_THRESHOLDS__ROQ_IB1_START__SHIFT) |
(0x2b << CP_QUEUE_THRESHOLDS__ROQ_IB2_START__SHIFT)));
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 8e07a50..f0f0512 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -1876,6 +1876,11 @@ static void gmc_v7_0_init_compute_vmid(struct amdgpu_device *adev)
mutex_unlock(&adev->srbm_mutex);
}
+static void gfx_v7_0_config_init(struct amdgpu_device *adev)
+{
+ adev->gfx.gc.double_offchip_lds_buf = 1;
+}
+
/**
* gfx_v7_0_gpu_init - setup the 3D engine
*
@@ -1900,6 +1905,7 @@ static void gfx_v7_0_gpu_init(struct amdgpu_device *adev)
gfx_v7_0_setup_rb(adev);
gfx_v7_0_get_cu_info(adev);
+ gfx_v7_0_config_init(adev);
/* set HW defaults for 3D engine */
WREG32(mmCP_MEQ_THRESHOLDS,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index fdce3de..0b700b1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3846,6 +3846,19 @@ static void gfx_v8_0_init_compute_vmid(struct amdgpu_device *adev)
mutex_unlock(&adev->srbm_mutex);
}
+static void gfx_v8_0_config_init(struct amdgpu_device *adev)
+{
+ switch (adev->asic_type) {
+ default:
+ adev->gfx.gc.double_offchip_lds_buf = 1;
+ break;
+ case CHIP_CARRIZO:
+ case CHIP_STONEY:
+ adev->gfx.gc.double_offchip_lds_buf = 0;
+ break;
+ }
+}
+
static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
{
u32 tmp, sh_static_mem_cfg;
@@ -3859,6 +3872,7 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
gfx_v8_0_tiling_mode_table_init(adev);
gfx_v8_0_setup_rb(adev);
gfx_v8_0_get_cu_info(adev);
+ gfx_v8_0_config_init(adev);
/* XXX SH_MEM regs */
/* where to put LDS, scratch, GPUVM in FSA64 space */
@@ -7389,4 +7403,4 @@ static void gfx_v8_0_compute_mqd_soft_fini(struct amdgpu_device *adev)
ring = &adev->gfx.kiq.ring;
amdgpu_bo_free_kernel(&ring->mqd_obj, &ring->mqd_gpu_addr, (void **)&ring->mqd_ptr);
-}
\ No newline at end of file
+}
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 64abc9b..a340669 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -790,6 +790,8 @@ struct drm_amdgpu_info_device {
__u32 vram_bit_width;
/* vce harvesting instance */
__u32 vce_harvest_config;
+ /* gfx doulbe offchip LDS buffers */
+ __u32 gc_double_offchip_lds_buf;
};
struct drm_amdgpu_info_hw_ip {
--
1.9.1
