Commit a101a899 authored by Ken Wang's avatar Ken Wang Committed by Alex Deucher

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: default avatarKen Wang <Qingqing.Wang@amd.com>
Reviewd-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
parent 32bf7106
...@@ -1136,6 +1136,8 @@ struct amdgpu_gfx { ...@@ -1136,6 +1136,8 @@ struct amdgpu_gfx {
uint32_t gfx_current_status; uint32_t gfx_current_status;
/* sync signal for const engine */ /* sync signal for const engine */
unsigned ce_sync_offs; unsigned ce_sync_offs;
/* ce ram size*/
unsigned ce_ram_size;
}; };
int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm, int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
......
...@@ -441,6 +441,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file ...@@ -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); amdgpu_asic_get_cu_info(adev, &cu_info);
dev_info.cu_active_number = cu_info.number; dev_info.cu_active_number = cu_info.number;
dev_info.cu_ao_mask = cu_info.ao_cu_mask; 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)); memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap));
return copy_to_user(out, &dev_info, return copy_to_user(out, &dev_info,
......
...@@ -4820,6 +4820,8 @@ static int gfx_v7_0_hw_init(void *handle) ...@@ -4820,6 +4820,8 @@ static int gfx_v7_0_hw_init(void *handle)
if (r) if (r)
return r; return r;
adev->gfx.ce_ram_size = 0x8000;
return r; return r;
} }
......
...@@ -895,6 +895,8 @@ static int gfx_v8_0_sw_init(void *handle) ...@@ -895,6 +895,8 @@ static int gfx_v8_0_sw_init(void *handle)
if (r) if (r)
return r; return r;
adev->gfx.ce_ram_size = 0x8000;
return 0; return 0;
} }
......
...@@ -573,6 +573,8 @@ struct drm_amdgpu_info_device { ...@@ -573,6 +573,8 @@ struct drm_amdgpu_info_device {
/** Page table entry - fragment size */ /** Page table entry - fragment size */
uint32_t pte_fragment_size; uint32_t pte_fragment_size;
uint32_t gart_page_size; uint32_t gart_page_size;
/** constant engine ram size*/
uint32_t ce_ram_size;
}; };
struct drm_amdgpu_info_hw_ip { struct drm_amdgpu_info_hw_ip {
......
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