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authorChristian König <christian.koenig@amd.com>2016-03-30 10:54:16 +0200
committerAlex Deucher <alexander.deucher@amd.com>2016-05-02 21:26:57 +0200
commit4325198180e5aeff21f44ba32c9ec18d9dd3ba72 (patch)
tree09bbd759715ebd3921c5e9ea913d80cea1f8a902 /drivers/gpu/drm
parentdrm/amdgpu: use BO pages instead of GART array (diff)
downloadlinux-4325198180e5aeff21f44ba32c9ec18d9dd3ba72.tar.xz
linux-4325198180e5aeff21f44ba32c9ec18d9dd3ba72.zip
drm/amdgpu: remove GART page addr array
Not needed any more. 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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c22
2 files changed, 4 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 2ac07ebecfd1..e6f7bad735cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -612,7 +612,6 @@ struct amdgpu_gart {
unsigned num_cpu_pages;
unsigned table_size;
struct page **pages;
- dma_addr_t *pages_addr;
bool ready;
const struct amdgpu_gart_funcs *gart_funcs;
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 7312d729d300..a13603abed07 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -240,8 +240,7 @@ void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
for (i = 0; i < pages; i++, p++) {
if (adev->gart.pages[p]) {
adev->gart.pages[p] = NULL;
- adev->gart.pages_addr[p] = adev->dummy_page.addr;
- page_base = adev->gart.pages_addr[p];
+ page_base = adev->dummy_page.addr;
if (!adev->gart.ptr)
continue;
@@ -287,10 +286,9 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
p = t / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
for (i = 0; i < pages; i++, p++) {
- adev->gart.pages_addr[p] = dma_addr[i];
adev->gart.pages[p] = pagelist[i];
if (adev->gart.ptr) {
- page_base = adev->gart.pages_addr[p];
+ page_base = dma_addr[i];
for (j = 0; j < (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE); j++, t++) {
amdgpu_gart_set_pte_pde(adev, adev->gart.ptr, t, page_base, flags);
page_base += AMDGPU_GPU_PAGE_SIZE;
@@ -312,7 +310,7 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
*/
int amdgpu_gart_init(struct amdgpu_device *adev)
{
- int r, i;
+ int r;
if (adev->gart.pages) {
return 0;
@@ -336,16 +334,6 @@ int amdgpu_gart_init(struct amdgpu_device *adev)
amdgpu_gart_fini(adev);
return -ENOMEM;
}
- adev->gart.pages_addr = vzalloc(sizeof(dma_addr_t) *
- adev->gart.num_cpu_pages);
- if (adev->gart.pages_addr == NULL) {
- amdgpu_gart_fini(adev);
- return -ENOMEM;
- }
- /* set GART entry to point to the dummy page by default */
- for (i = 0; i < adev->gart.num_cpu_pages; i++) {
- adev->gart.pages_addr[i] = adev->dummy_page.addr;
- }
return 0;
}
@@ -358,15 +346,13 @@ int amdgpu_gart_init(struct amdgpu_device *adev)
*/
void amdgpu_gart_fini(struct amdgpu_device *adev)
{
- if (adev->gart.pages && adev->gart.pages_addr && adev->gart.ready) {
+ if (adev->gart.pages && adev->gart.ready) {
/* unbind pages */
amdgpu_gart_unbind(adev, 0, adev->gart.num_cpu_pages);
}
adev->gart.ready = false;
vfree(adev->gart.pages);
- vfree(adev->gart.pages_addr);
adev->gart.pages = NULL;
- adev->gart.pages_addr = NULL;
amdgpu_dummy_page_fini(adev);
}