I need a canary in a ttm-based atomic driver to make sure the dma_fence_begin/end_signalling annotations actually work.
Cc: linux-me...@vger.kernel.org Cc: linaro-mm-...@lists.linaro.org Cc: linux-r...@vger.kernel.org Cc: amd-...@lists.freedesktop.org Cc: intel-...@lists.freedesktop.org Cc: Chris Wilson <ch...@chris-wilson.co.uk> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com> Cc: Christian König <christian.koe...@amd.com> Signed-off-by: Daniel Vetter <daniel.vet...@intel.com> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 6 ++++++ 1 file changed, 6 insertions(+) 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 bb1bc7f5d149..b05fecf06f25 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -57,6 +57,7 @@ #include "ivsrcid/ivsrcid_vislands30.h" +#include <linux/module.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/version.h> @@ -7492,6 +7493,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; int crtc_disable_count = 0; bool mode_set_reset_required = false; + bool fence_cookie; + + fence_cookie = dma_fence_begin_signalling(); drm_atomic_helper_update_legacy_modeset_state(dev, state); drm_atomic_helper_calc_timestamping_constants(state); @@ -7816,6 +7820,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) /* Signal HW programming completion */ drm_atomic_helper_commit_hw_done(state); + dma_fence_end_signalling(fence_cookie); + if (wait_for_vblank) drm_atomic_helper_wait_for_flip_done(dev, state); -- 2.28.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel