From: Christian König <christian.koenig@xxxxxxx>
Don't keep around the same pointer twice.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 -
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 26 +++++++++++++++-----------
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++--
5 files changed, 19 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index fe96236..c539bdd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -427,7 +427,6 @@ struct amdgpu_bo {
struct ttm_bo_kmap_obj kmap;
u64 flags;
unsigned pin_count;
- void *kptr;
u64 tiling_flags;
u64 metadata_flags;
void *metadata;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index f0c8123..f48c780 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -246,7 +246,7 @@ 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);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 3ec43cf..8fddea4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -609,16 +609,16 @@ int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev,
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)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 833b172..f53d53d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -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);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index fc482cc4..a1d4294 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1059,7 +1059,7 @@ 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;
@@ -1400,7 +1400,7 @@ 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);
--
2.7.4
