Hello Andrey,
this series can't apply (brake on #3) on top of amd-staging-drm-next. v2 works (Thu, 11 Apr 2019).
Dieter
Am 18.04.2019 17:00, schrieb Andrey Grodzovsky:
From: Christian König ckoenig.leichtzumerken@gmail.com
Don't block others while waiting for the fences to finish, concurrent submission is perfectly valid in this case and holding the lock can prevent killed applications from terminating.
Signed-off-by: Christian König christian.koenig@amd.com Reviewed-by: Nicholas Kazlauskas nicholas.kazlauskas@amd.com
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 380a7f9..ad4f0e5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4814,23 +4814,26 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, continue; }
abo = gem_to_amdgpu_bo(fb->obj[0]);
/* Wait for all fences on this FB */
r = reservation_object_wait_timeout_rcu(abo->tbo.resv, true,
false,
MAX_SCHEDULE_TIMEOUT);
WARN_ON(r < 0);
- /*
*/
- TODO This might fail and hence better not used, wait
- explicitly on fences instead
- and in general should be called for
- blocking commit to as per framework helpers
abo = gem_to_amdgpu_bo(fb->obj[0]);
r = amdgpu_bo_reserve(abo, true); if (unlikely(r != 0)) { DRM_ERROR("failed to reserve buffer before flip\n"); WARN_ON(1); }
/* Wait for all fences on this FB */
WARN_ON(reservation_object_wait_timeout_rcu(abo->tbo.resv, true,
false,
MAX_SCHEDULE_TIMEOUT) < 0);
amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
amdgpu_bo_unreserve(abo);