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| author | Christopher James Halse Rogers <christopher.halse.rogers@canonical.com> | 2017-04-03 13:35:22 +1000 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-04-07 12:20:40 -0400 |
| commit | 0d16d299400471735e77d7a8c4107e71b523446d (patch) | |
| tree | 4fa260d32a95dc670edba893b5eb3e74a376a6ff /drivers/gpu/drm/radeon | |
| parent | 803d89ade4ede131405c57ec1a1db32673995b2e (diff) | |
| download | linux-stable-0d16d299400471735e77d7a8c4107e71b523446d.tar.gz linux-stable-0d16d299400471735e77d7a8c4107e71b523446d.tar.bz2 linux-stable-0d16d299400471735e77d7a8c4107e71b523446d.zip | |
drm/radeon: Maintain prime import/export refcount for BOs
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_prime.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 2e400dc414e3..c1c8e2208a21 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -499,6 +499,7 @@ struct radeon_bo { u32 tiling_flags; u32 pitch; int surface_reg; + unsigned prime_shared_count; /* list of all virtual address to which this bo * is associated to */ diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c index f3609c97496b..7110d403322c 100644 --- a/drivers/gpu/drm/radeon/radeon_prime.c +++ b/drivers/gpu/drm/radeon/radeon_prime.c @@ -77,6 +77,7 @@ struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, list_add_tail(&bo->list, &rdev->gem.objects); mutex_unlock(&rdev->gem.mutex); + bo->prime_shared_count = 1; return &bo->gem_base; } @@ -91,6 +92,9 @@ int radeon_gem_prime_pin(struct drm_gem_object *obj) /* pin buffer into GTT */ ret = radeon_bo_pin(bo, RADEON_GEM_DOMAIN_GTT, NULL); + if (likely(ret == 0)) + bo->prime_shared_count++; + radeon_bo_unreserve(bo); return ret; } @@ -105,6 +109,8 @@ void radeon_gem_prime_unpin(struct drm_gem_object *obj) return; radeon_bo_unpin(bo); + if (bo->prime_shared_count) + bo->prime_shared_count--; radeon_bo_unreserve(bo); } |