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drm/amdgpu: cleanup kptr handling 

Don't keep around the same pointer twice.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-07-20 23:45:18 +02:00 committed by Alex Deucher
parent 4dbc9908d4
commit f5e1c740af
5 changed files with 19 additions and 15 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -425,7 +425,6 @@ struct amdgpu_bo {
struct ttm_bo_kmap_obj kmap;
u64 flags;
unsigned pin_count;
void *kptr;
u64 tiling_flags;
u64 metadata_flags;
void *metadata;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
View File

@ -250,7 +250,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
tmp = amdgpu_bo_gpu_offset(abo) - adev->mc.vram_start;
info->fix.smem_start = adev->mc.aper_base + tmp;
info->fix.smem_len = amdgpu_bo_size(abo);
info->screen_base = abo->kptr;
info->screen_base = amdgpu_bo_kptr(abo);
info->screen_size = amdgpu_bo_size(abo);
drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);

26
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -609,16 +609,16 @@ err:
int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
{
bool is_iomem;
void *kptr;
long r;
if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
return -EPERM;
if (bo->kptr) {
if (ptr) {
*ptr = bo->kptr;
}
kptr = amdgpu_bo_kptr(bo);
if (kptr) {
if (ptr)
*ptr = kptr;
return 0;
}
@ -631,19 +631,23 @@ int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
if (r)
return r;
bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
if (ptr)
*ptr = bo->kptr;
*ptr = amdgpu_bo_kptr(bo);
return 0;
}
void *amdgpu_bo_kptr(struct amdgpu_bo *bo)
{
bool is_iomem;
return ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
}
void amdgpu_bo_kunmap(struct amdgpu_bo *bo)
{
if (bo->kptr == NULL)
return;
bo->kptr = NULL;
ttm_bo_kunmap(&bo->kmap);
if (bo->kmap.bo)
ttm_bo_kunmap(&bo->kmap);
}
struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo)

1
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View File

@ -147,6 +147,7 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
void **cpu_addr);
int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
void amdgpu_bo_unref(struct amdgpu_bo **bo);

4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -1060,7 +1060,7 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
shadow = parent->bo->shadow;
if (vm->use_cpu_for_update) {
pd_addr = (unsigned long)parent->bo->kptr;
pd_addr = (unsigned long)amdgpu_bo_kptr(parent->bo);
r = amdgpu_vm_wait_pd(adev, vm, AMDGPU_FENCE_OWNER_VM);
if (unlikely(r))
return r;
@ -1401,7 +1401,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params,
pt = entry->bo;
if (use_cpu_update) {
pe_start = (unsigned long)pt->kptr;
pe_start = (unsigned long)amdgpu_bo_kptr(pt);
} else {
if (pt->shadow) {
pe_start = amdgpu_bo_gpu_offset(pt->shadow);