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drm/msm: Expose our reservation object when exporting a dmabuf.

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Without this, polling on the dma-buf (and presumably other devices
synchronizing against our rendering) would return immediately, even
while the BO was busy.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Cc: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Eric Anholt
2017-04-12 12:11:58 -07:00
committed by Rob Clark
parent 134ccada7a
commit 43523eba79
3 changed files with 9 additions and 0 deletions
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drivers/gpu/drm/msm/msm_drv.c
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@@ -830,6 +830,7 @@ static struct drm_driver msm_driver = {
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
.gem_prime_export = drm_gem_prime_export,
.gem_prime_import = drm_gem_prime_import,
.gem_prime_res_obj = msm_gem_prime_res_obj,
.gem_prime_pin = msm_gem_prime_pin,
.gem_prime_unpin = msm_gem_prime_unpin,
.gem_prime_get_sg_table = msm_gem_prime_get_sg_table,