diff options
| author | Alex Hung <alex.hung@amd.com> | 2026-07-09 18:14:57 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-28 19:17:30 -0400 |
| commit | 66517ca0cd8bb6e6a649c577ca67c2ebe8c27c97 (patch) | |
| tree | d1a1c42f41cd5a1a8f550e1039cadeaf734d0a58 | |
| parent | 0b9bd593f0a2c02c505a803ebf5e7bc27515312e (diff) | |
| download | linux-next-66517ca0cd8bb6e6a649c577ca67c2ebe8c27c97.tar.gz linux-next-66517ca0cd8bb6e6a649c577ca67c2ebe8c27c97.zip | |
drm/amd/display: move GPU mem helpers to services
[WHAT]
dm_allocate_gpu_mem() and dm_free_gpu_mem() are generic DM service
helpers that wrap amdgpu_bo_create_kernel()/amdgpu_bo_free_kernel()
and track allocations on adev->dm.da_list. Move them out of
amdgpu_dm.c into amdgpu_dm_services.c alongside the other dm_* service
callbacks.
Both are already public and declared in amdgpu_dm.h; their callers in
amdgpu_dm_dmub.c and amdgpu_dm_helpers.c are unaffected. No functional
change.
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 53 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 53 |
2 files changed, 53 insertions, 53 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index f017d6956a19..e48db5b6ebf5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -411,59 +411,6 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_ } -void* -dm_allocate_gpu_mem( - struct amdgpu_device *adev, - enum dc_gpu_mem_alloc_type type, - size_t size, - long long *addr) -{ - struct dal_allocation *da; - u32 domain = (type == DC_MEM_ALLOC_TYPE_GART) ? - AMDGPU_GEM_DOMAIN_GTT : AMDGPU_GEM_DOMAIN_VRAM; - int ret; - - da = kzalloc_obj(struct dal_allocation); - if (!da) - return NULL; - - ret = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE, - domain, &da->bo, - &da->gpu_addr, &da->cpu_ptr); - - *addr = da->gpu_addr; - - if (ret) { - kfree(da); - return NULL; - } - - /* add da to list in dm */ - list_add(&da->list, &adev->dm.da_list); - - return da->cpu_ptr; -} - -void -dm_free_gpu_mem( - struct amdgpu_device *adev, - enum dc_gpu_mem_alloc_type type, - void *pvMem) -{ - struct dal_allocation *da; - - /* walk the da list in DM */ - list_for_each_entry(da, &adev->dm.da_list, list) { - if (pvMem == da->cpu_ptr) { - amdgpu_bo_free_kernel(&da->bo, &da->gpu_addr, &da->cpu_ptr); - list_del(&da->list); - kfree(da); - break; - } - } - -} - static int amdgpu_dm_init_power_module(struct amdgpu_display_manager *dm) { struct mod_power_init_params init_data[MAX_NUM_EDP]; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c index dbdda6ed12d4..6dbc8d1b4ecd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c @@ -96,3 +96,56 @@ bool dm_query_extended_brightness_caps(struct dc_context *ctx, return true; } EXPORT_IF_KUNIT(dm_query_extended_brightness_caps); + +void* +dm_allocate_gpu_mem( + struct amdgpu_device *adev, + enum dc_gpu_mem_alloc_type type, + size_t size, + long long *addr) +{ + struct dal_allocation *da; + u32 domain = (type == DC_MEM_ALLOC_TYPE_GART) ? + AMDGPU_GEM_DOMAIN_GTT : AMDGPU_GEM_DOMAIN_VRAM; + int ret; + + da = kzalloc_obj(*da); + if (!da) + return NULL; + + ret = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE, + domain, &da->bo, + &da->gpu_addr, &da->cpu_ptr); + + *addr = da->gpu_addr; + + if (ret) { + kfree(da); + return NULL; + } + + /* add da to list in dm */ + list_add(&da->list, &adev->dm.da_list); + + return da->cpu_ptr; +} + +void +dm_free_gpu_mem( + struct amdgpu_device *adev, + enum dc_gpu_mem_alloc_type type, + void *pvMem) +{ + struct dal_allocation *da; + + /* walk the da list in DM */ + list_for_each_entry(da, &adev->dm.da_list, list) { + if (pvMem == da->cpu_ptr) { + amdgpu_bo_free_kernel(&da->bo, &da->gpu_addr, &da->cpu_ptr); + list_del(&da->list); + kfree(da); + break; + } + } + +} |
