diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/files/0740-drm-amd-dal-Fixed-page-flip-handle-issue.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/files/0740-drm-amd-dal-Fixed-page-flip-handle-issue.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/files/0740-drm-amd-dal-Fixed-page-flip-handle-issue.patch b/meta-amdfalconx86/recipes-kernel/linux/files/0740-drm-amd-dal-Fixed-page-flip-handle-issue.patch new file mode 100644 index 00000000..87677ca2 --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/files/0740-drm-amd-dal-Fixed-page-flip-handle-issue.patch @@ -0,0 +1,90 @@ +From 873cc693318ef0ed872f083a59e8e1a46b340b18 Mon Sep 17 00:00:00 2001 +From: Yongqiang Sun <yongqiang.sun@amd.com> +Date: Mon, 25 Jan 2016 10:58:47 -0500 +Subject: [PATCH 0740/1110] drm/amd/dal: Fixed page flip handle issue. + +Change atomic commit processing for page flip and +surface creationi. + +surface are created under two scenarios. +1. This commit is not a page flip. +2. This commit is a page flip, and targets are created. + +After surface creation and vblank irq enabled, if page +flip needed, just do page flip. + +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + .../gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c | 40 ++++++++++++++++------ + 1 file changed, 30 insertions(+), 10 deletions(-) + +diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c +index 70d5dae..6792aea 100644 +--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c ++++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c +@@ -2235,24 +2235,26 @@ int amdgpu_dm_atomic_commit( + struct drm_framebuffer *fb = plane_state->fb; + struct drm_connector *connector; + struct dm_connector_state *dm_state = NULL; ++ enum dm_commit_action action; + + if (!fb || !crtc || !crtc->state->planes_changed || + !crtc->state->active) + continue; + +- if (page_flip_needed( +- plane_state, +- old_plane_state)) +- amdgpu_crtc_page_flip( +- crtc, +- fb, +- crtc->state->event, +- 0); +- else { ++ action = get_dm_commit_action(crtc->state); ++ ++ /* Surfaces are created under two scenarios: ++ * 1. This commit is not a page flip. ++ * 2. This commit is a page flip, and targets are created. ++ */ ++ if (!page_flip_needed(plane_state, old_plane_state) || ++ action == DM_COMMIT_ACTION_DPMS_ON || ++ action == DM_COMMIT_ACTION_SET) { + list_for_each_entry(connector, + &dev->mode_config.connector_list, head) { + if (connector->state->crtc == crtc) { +- dm_state = to_dm_connector_state(connector->state); ++ dm_state = to_dm_connector_state( ++ connector->state); + break; + } + } +@@ -2292,6 +2294,24 @@ int amdgpu_dm_atomic_commit( + + } + ++ /* Page flip if needed */ ++ for_each_plane_in_state(state, plane, old_plane_state, i) { ++ struct drm_plane_state *plane_state = plane->state; ++ struct drm_crtc *crtc = plane_state->crtc; ++ struct drm_framebuffer *fb = plane_state->fb; ++ ++ if (!fb || !crtc || !crtc->state->planes_changed || ++ !crtc->state->active) ++ continue; ++ ++ if (page_flip_needed(plane_state, old_plane_state)) ++ amdgpu_crtc_page_flip( ++ crtc, ++ fb, ++ crtc->state->event, ++ 0); ++ } ++ + drm_atomic_helper_wait_for_vblanks(dev, state); + + /* In this state all old framebuffers would be unpinned */ +-- +2.7.4 + |