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drm/amd/display: move GPU mem helpers to services

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[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>
This commit is contained in:
Alex Hung 2026-07-09 18:14:57 -06:00 committed by Alex Deucher
parent 0b9bd593f0
commit 66517ca0cd
2 changed files with 53 additions and 53 deletions
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53
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -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];

53
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
View File

@ -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;
}
}
}