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authorDaniel Vetter <daniel.vetter@ffwll.ch>2021-04-13 12:25:16 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2021-04-13 12:25:17 +0200
commitcd951b3971cdc1f8c76b075f2c97ff357bf141e2 (patch)
tree0af9a1eeba0011d2dffc360087808c4c0b7fee54 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentc103b850721e4a79ff9578f131888129c37a4679 (diff)
parentcbb8f989d5a07cb3e39e9c149a6f89d6c83432aa (diff)
Merge tag 'amd-drm-next-5.13-2021-04-12' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.13-2021-04-12: amdgpu: - Re-enable GPU reset on VanGogh - Enable DPM flags for SMART_SUSPEND and MAY_SKIP_RESUME - Disentangle HG from vga_switcheroo - S0ix fixes - W=1 fixes - Resource iterator fixes - DMCUB updates - UBSAN fixes - More PM API cleanup - Aldebaran updates - Modifier fixes - Enable VCN load balancing with asymmetric engines - Rework BO structs - Aldebaran reset support - Initial LTTPR display work - Display MALL fixes - Fall back to YCbCr420 when YCbCr444 fails - SR-IOV fixes - RAS updates - Misc cleanups and fixes radeon: - Typo fixes - Fix error handling for firmware on r6xx - Fix a missing check in DP MST handling Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210412220732.3845-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 1c6131489a85..3bef0432cac2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -823,15 +823,14 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev,
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
struct amdgpu_ttm_tt *gtt = (void *)ttm;
- int r;
-
int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY);
enum dma_data_direction direction = write ?
DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
+ int r;
/* Allocate an SG array and squash pages into it */
r = sg_alloc_table_from_pages(ttm->sg, ttm->pages, ttm->num_pages, 0,
- ttm->num_pages << PAGE_SHIFT,
+ (u64)ttm->num_pages << PAGE_SHIFT,
GFP_KERNEL);
if (r)
goto release_sg;
@@ -861,13 +860,12 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_device *bdev,
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
struct amdgpu_ttm_tt *gtt = (void *)ttm;
-
int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY);
enum dma_data_direction direction = write ?
DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
/* double check that we don't free the table twice */
- if (!ttm->sg->sgl)
+ if (!ttm->sg || !ttm->sg->sgl)
return;
/* unmap the pages mapped to the device */
@@ -1087,13 +1085,13 @@ static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev,
struct amdgpu_ttm_tt *gtt = (void *)ttm;
int r;
- if (!gtt->bound)
- return;
-
/* if the pages have userptr pinning then clear that first */
if (gtt->userptr)
amdgpu_ttm_tt_unpin_userptr(bdev, ttm);
+ if (!gtt->bound)
+ return;
+
if (gtt->offset == AMDGPU_BO_INVALID_OFFSET)
return;
@@ -1503,7 +1501,7 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo,
memcpy(buf, &value, bytes);
}
} else {
- bytes = cursor.size & 0x3ull;
+ bytes = cursor.size & ~0x3ULL;
amdgpu_device_vram_access(adev, cursor.start,
(uint32_t *)buf, bytes,
write);