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drm/radeon: stop trying to suspend UVD sessions

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Saving the current UVD state on suspend and restoring it on resume
just doesn't work reliable. Just close cleanup all sessions on suspend.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-05-07 15:19:25 +02:00 committed by Alex Deucher
parent d52cdfa4a0
commit 12e49feadf
2 changed files with 19 additions and 21 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View file

@ -1673,7 +1673,6 @@ struct radeon_uvd {
struct radeon_bo *vcpu_bo;
void *cpu_addr;
uint64_t gpu_addr;
void *saved_bo;
atomic_t handles[RADEON_MAX_UVD_HANDLES];
struct drm_file *filp[RADEON_MAX_UVD_HANDLES];
unsigned img_size[RADEON_MAX_UVD_HANDLES];

37
drivers/gpu/drm/radeon/radeon_uvd.c
View file

@ -204,28 +204,32 @@ void radeon_uvd_fini(struct radeon_device *rdev)
int radeon_uvd_suspend(struct radeon_device *rdev)
{
unsigned size;
void *ptr;
int i;
int i, r;
if (rdev->uvd.vcpu_bo == NULL)
return 0;
for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i)
if (atomic_read(&rdev->uvd.handles[i]))
break;
for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
if (handle != 0) {
struct radeon_fence *fence;
if (i == RADEON_MAX_UVD_HANDLES)
return 0;
radeon_uvd_note_usage(rdev);
size = radeon_bo_size(rdev->uvd.vcpu_bo);
size -= rdev->uvd_fw->size;
r = radeon_uvd_get_destroy_msg(rdev,
R600_RING_TYPE_UVD_INDEX, handle, &fence);
if (r) {
DRM_ERROR("Error destroying UVD (%d)!\n", r);
continue;
}
ptr = rdev->uvd.cpu_addr;
ptr += rdev->uvd_fw->size;
radeon_fence_wait(fence, false);
radeon_fence_unref(&fence);
rdev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
memcpy(rdev->uvd.saved_bo, ptr, size);
rdev->uvd.filp[i] = NULL;
atomic_set(&rdev->uvd.handles[i], 0);
}
}
return 0;
}
@ -246,11 +250,6 @@ int radeon_uvd_resume(struct radeon_device *rdev)
ptr = rdev->uvd.cpu_addr;
ptr += rdev->uvd_fw->size;
if (rdev->uvd.saved_bo != NULL) {
memcpy(ptr, rdev->uvd.saved_bo, size);
kfree(rdev->uvd.saved_bo);
rdev->uvd.saved_bo = NULL;
} else
memset(ptr, 0, size);
return 0;