diff options
| author |   Thomas Hellstrom <thellstrom@vmware.com> | 2019-03-27 10:56:08 +0100 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2019-11-06 13:04:54 +0100 |
| commit | b7468b15d27106d24fb30d543d1fbbc6756ae7ca (patch) | |
| tree | 0eb840412635f303d08dd78ea78540ee656c8723 /drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | |
| parent | mm: Add write-protect and clean utilities for address space ranges (diff) | |
| download | linux-dev-b7468b15d27106d24fb30d543d1fbbc6756ae7ca.tar.xz linux-dev-b7468b15d27106d24fb30d543d1fbbc6756ae7ca.zip | |
drm/vmwgfx: Implement an infrastructure for write-coherent resources
This infrastructure will, for coherent resources, make sure that
from the user-space point of view, data written by the CPU is immediately
automatically available to the GPU at resource validation time.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_bo.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index 74016a08d118..4f6a75d42d7f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -462,6 +462,7 @@ void vmw_bo_bo_free(struct ttm_buffer_object *bo) { struct vmw_buffer_object *vmw_bo = vmw_buffer_object(bo); + WARN_ON(vmw_bo->dirty); vmw_bo_unmap(vmw_bo); kfree(vmw_bo); } @@ -475,8 +476,10 @@ void vmw_bo_bo_free(struct ttm_buffer_object *bo) static void vmw_user_bo_destroy(struct ttm_buffer_object *bo) { struct vmw_user_buffer_object *vmw_user_bo = vmw_user_buffer_object(bo); + struct vmw_buffer_object *vbo = &vmw_user_bo->vbo; - vmw_bo_unmap(&vmw_user_bo->vbo); + WARN_ON(vbo->dirty); + vmw_bo_unmap(vbo); ttm_prime_object_kfree(vmw_user_bo, prime); } |