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drm/v3d: Drop reservation of a shared slot in the dma-buf reservations.
author
Eric Anholt
<eric@anholt.net>
Tue, 16 Apr 2019 22:58:55 +0000
(15:58 -0700)
committer
Eric Anholt
<eric@anholt.net>
Thu, 18 Apr 2019 16:54:13 +0000
(09:54 -0700)
We only set the excl (possible-writing) fence pointer and never add a
shared (read-only) fence.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link:
https://patchwork.freedesktop.org/patch/msgid/20190416225856.20264-5-eric@anholt.net
Acked-by: Rob Clark <robdclark@gmail.com>
drivers/gpu/drm/v3d/v3d_gem.c
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diff --git
a/drivers/gpu/drm/v3d/v3d_gem.c
b/drivers/gpu/drm/v3d/v3d_gem.c
index
8bd6fa6
..
6873b14
100644
(file)
--- a/
drivers/gpu/drm/v3d/v3d_gem.c
+++ b/
drivers/gpu/drm/v3d/v3d_gem.c
@@
-253,18
+253,6
@@
v3d_lock_bo_reservations(struct drm_gem_object **bos,
if (ret)
return ret;
- /* Reserve space for our shared (read-only) fence references,
- * before we commit the CL to the hardware.
- */
- for (i = 0; i < bo_count; i++) {
- ret = reservation_object_reserve_shared(bos[i]->resv, 1);
- if (ret) {
- drm_gem_unlock_reservations(bos, bo_count,
- acquire_ctx);
- return ret;
- }
- }
-
return 0;
}