diff options
| author | Maarten Lankhorst <maarten.lankhorst@canonical.com> | 2014-09-17 14:35:02 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-10-03 09:19:15 -0400 |
| commit | a0e847641cd7239661ff1b39db0afb0e2992026f (patch) | |
| tree | 052c3ec2e7fcc8107f319f3f83f9a5d500994665 /drivers/gpu | |
| parent | 38aea07167b6f51a42e09812212a000ce84afb77 (diff) | |
| download | linux-a0e847641cd7239661ff1b39db0afb0e2992026f.tar.bz2 | |
drm/radeon: cope with foreign fences inside display
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 30 |
2 files changed, 20 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 510fe9677e84..06d24b85003e 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -712,7 +712,7 @@ struct radeon_flip_work { uint64_t base; struct drm_pending_vblank_event *event; struct radeon_bo *old_rbo; - struct radeon_fence *fence; + struct fence *fence; }; struct r500_irq_stat_regs { diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 4eb37976f879..00ead8c2758a 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -402,14 +402,21 @@ static void radeon_flip_work_func(struct work_struct *__work) down_read(&rdev->exclusive_lock); if (work->fence) { - r = radeon_fence_wait(work->fence, false); - if (r == -EDEADLK) { - up_read(&rdev->exclusive_lock); - do { - r = radeon_gpu_reset(rdev); - } while (r == -EAGAIN); - down_read(&rdev->exclusive_lock); - } + struct radeon_fence *fence; + + fence = to_radeon_fence(work->fence); + if (fence && fence->rdev == rdev) { + r = radeon_fence_wait(fence, false); + if (r == -EDEADLK) { + up_read(&rdev->exclusive_lock); + do { + r = radeon_gpu_reset(rdev); + } while (r == -EAGAIN); + down_read(&rdev->exclusive_lock); + } + } else + r = fence_wait(work->fence, false); + if (r) DRM_ERROR("failed to wait on page flip fence (%d)!\n", r); @@ -418,7 +425,8 @@ static void radeon_flip_work_func(struct work_struct *__work) * confused about which BO the CRTC is scanning out */ - radeon_fence_unref(&work->fence); + fence_put(work->fence); + work->fence = NULL; } /* We borrow the event spin lock for protecting flip_status */ @@ -494,7 +502,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, DRM_ERROR("failed to pin new rbo buffer before flip\n"); goto cleanup; } - work->fence = (struct radeon_fence *)fence_get(reservation_object_get_excl(new_rbo->tbo.resv)); + work->fence = fence_get(reservation_object_get_excl(new_rbo->tbo.resv)); radeon_bo_get_tiling_flags(new_rbo, &tiling_flags, NULL); radeon_bo_unreserve(new_rbo); @@ -576,7 +584,7 @@ pflip_cleanup: cleanup: drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); - radeon_fence_unref(&work->fence); + fence_put(work->fence); kfree(work); return r; } |