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authorKen Wang <Qingqing.Wang@amd.com>2015-06-03 17:47:54 +0800
committerAlex Deucher <alexander.deucher@amd.com>2015-06-03 21:04:02 -0400
commita101a8995ab8072125d0bb4d95425c9fb37ff809 (patch)
treedb745acda68a5b1d9f7c3f7207e72291659b5b7a /drivers
parent32bf7106e072b59cade754062ed86023309f50d9 (diff)
downloadkernel-a101a8995ab8072125d0bb4d95425c9fb37ff809.tar.gz
drm/amdgpu add ce_ram_size for interface query
Add a query for the CE ram size. User mode drivers will want to use this to determine how much size of the cache on the CE. Signed-off-by: Ken Wang <Qingqing.Wang@amd.com> Reviewd-by: Jammy Zhou <Jammy.Zhou@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c2
4 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 4300e3d4b1cd..6c99b7560a27 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1136,6 +1136,8 @@ struct amdgpu_gfx {
uint32_t gfx_current_status;
/* sync signal for const engine */
unsigned ce_sync_offs;
+ /* ce ram size*/
+ unsigned ce_ram_size;
};
int amdgpu_ib_get(struct amdgpu_ring *ring, 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 3c182b6c5a27..9ede2446dcd6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -441,6 +441,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
amdgpu_asic_get_cu_info(adev, &cu_info);
dev_info.cu_active_number = cu_info.number;
dev_info.cu_ao_mask = cu_info.ao_cu_mask;
+ dev_info.ce_ram_size = adev->gfx.ce_ram_size;
memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap));
return copy_to_user(out, &dev_info,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index ed2f35de1d4f..faa39b38f0f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -4820,6 +4820,8 @@ static int gfx_v7_0_hw_init(void *handle)
if (r)
return r;
+ adev->gfx.ce_ram_size = 0x8000;
+
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index ffdba1965029..1895de433446 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -895,6 +895,8 @@ static int gfx_v8_0_sw_init(void *handle)
if (r)
return r;
+ adev->gfx.ce_ram_size = 0x8000;
+
return 0;
}