[Nouveau] [PATCH v4 3/3] drm/amd/display: Switch to using atomic_helper for flip.
Andrey Grodzovsky
Andrey.Grodzovsky at amd.com
Wed Feb 1 17:03:36 UTC 2017
v2:
Modify for movig pflip flags to crtc_state
v4:
Fix identation.
Change-Id: I25dae6d8c29de5d022a42aa99a18a32674b56cda
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 1 -
.../drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 113 +++++----------------
2 files changed, 24 insertions(+), 90 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 4c0a86e..3ff3c14 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -443,7 +443,6 @@ struct amdgpu_crtc {
enum amdgpu_interrupt_state vsync_timer_enabled;
int otg_inst;
- uint32_t flip_flags;
/* After Set Mode target will be non-NULL */
struct dc_target *target;
};
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
index a443b70..78f65ba 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
@@ -1060,83 +1060,6 @@ static int dm_crtc_funcs_atomic_set_property(
return 0;
}
-
-static int amdgpu_atomic_helper_page_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t flags)
-{
- struct drm_plane *plane = crtc->primary;
- struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
- struct drm_atomic_state *state;
- struct drm_plane_state *plane_state;
- struct drm_crtc_state *crtc_state;
- int ret = 0;
-
- state = drm_atomic_state_alloc(plane->dev);
- if (!state)
- return -ENOMEM;
-
- ret = drm_crtc_vblank_get(crtc);
- if (ret)
- return ret;
-
- state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc);
-retry:
- crtc_state = drm_atomic_get_crtc_state(state, crtc);
- if (IS_ERR(crtc_state)) {
- ret = PTR_ERR(crtc_state);
- goto fail;
- }
- crtc_state->event = event;
-
- plane_state = drm_atomic_get_plane_state(state, plane);
- if (IS_ERR(plane_state)) {
- ret = PTR_ERR(plane_state);
- goto fail;
- }
-
- ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
- if (ret != 0)
- goto fail;
- drm_atomic_set_fb_for_plane(plane_state, fb);
-
- /* Make sure we don't accidentally do a full modeset. */
- state->allow_modeset = false;
- if (!crtc_state->active) {
- DRM_DEBUG_ATOMIC("[CRTC:%d] disabled, rejecting legacy flip\n",
- crtc->base.id);
- ret = -EINVAL;
- goto fail;
- }
- acrtc->flip_flags = flags;
-
- ret = drm_atomic_nonblocking_commit(state);
-
-fail:
- if (ret == -EDEADLK)
- goto backoff;
-
- if (ret)
- drm_crtc_vblank_put(crtc);
-
- drm_atomic_state_put(state);
-
- return ret;
-backoff:
- drm_atomic_state_clear(state);
- drm_atomic_legacy_backoff(state);
-
- /*
- * Someone might have exchanged the framebuffer while we dropped locks
- * in the backoff code. We need to fix up the fb refcount tracking the
- * core does for us.
- */
- plane->old_fb = plane->fb;
-
- goto retry;
-}
-
/* Implemented only the options currently availible for the driver */
static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
.reset = drm_atomic_helper_crtc_reset,
@@ -1145,7 +1068,7 @@ static int amdgpu_atomic_helper_page_flip(struct drm_crtc *crtc,
.destroy = amdgpu_dm_crtc_destroy,
.gamma_set = amdgpu_dm_atomic_crtc_gamma_set,
.set_config = drm_atomic_helper_set_config,
- .page_flip = amdgpu_atomic_helper_page_flip,
+ .page_flip_target = drm_atomic_helper_page_flip_target,
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
.atomic_set_property = dm_crtc_funcs_atomic_set_property
@@ -1626,7 +1549,8 @@ static void clear_unrelated_fields(struct drm_plane_state *state)
static bool page_flip_needed(
const struct drm_plane_state *new_state,
const struct drm_plane_state *old_state,
- bool commit_surface_required)
+ bool commit_surface_required,
+ uint32_t pflip_flags)
{
struct drm_plane_state old_state_tmp;
struct drm_plane_state new_state_tmp;
@@ -1679,7 +1603,7 @@ static bool page_flip_needed(
sizeof(old_state_tmp)) == 0 ? true:false;
if (new_state->crtc && page_flip_required == false) {
acrtc_new = to_amdgpu_crtc(new_state->crtc);
- if (acrtc_new->flip_flags & DRM_MODE_PAGE_FLIP_ASYNC)
+ if (pflip_flags & DRM_MODE_PAGE_FLIP_ASYNC)
page_flip_required = true;
}
return page_flip_required;
@@ -2696,7 +2620,11 @@ int amdgpu_dm_atomic_commit(
* 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, true) ||
+ if (!page_flip_needed(plane_state,
+ old_plane_state,
+ true,
+ crtc->state->pflip_flags)
+ ||
action == DM_COMMIT_ACTION_DPMS_ON ||
action == DM_COMMIT_ACTION_SET) {
list_for_each_entry(connector,
@@ -2760,21 +2688,24 @@ int amdgpu_dm_atomic_commit(
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 amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
struct drm_framebuffer *fb = plane_state->fb;
+ uint32_t pflip_flags;
if (!fb || !crtc || !crtc->state->planes_changed ||
!crtc->state->active)
continue;
- if (page_flip_needed(plane_state, old_plane_state, false)) {
+ pflip_flags = crtc->state->pflip_flags;
+ if (page_flip_needed(plane_state,
+ old_plane_state,
+ false,
+ pflip_flags)) {
ret = amdgpu_crtc_page_flip_target(crtc,
fb,
crtc->state->event,
- acrtc->flip_flags,
- drm_crtc_vblank_count(crtc));
- /*clean up the flags for next usage*/
- acrtc->flip_flags = 0;
+ crtc->state->pflip_flags,
+ crtc->state->target_vblank);
+
if (ret)
break;
}
@@ -3138,13 +3069,17 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
continue;
action = get_dm_commit_action(crtc->state);
+ crtc_state = drm_atomic_get_existing_crtc_state(state, crtc);
/* 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,
- true) ||
+ if (!page_flip_needed(plane_state,
+ old_plane_state,
+ true,
+ crtc_state->pflip_flags)
+ ||
action == DM_COMMIT_ACTION_DPMS_ON ||
action == DM_COMMIT_ACTION_SET) {
struct dc_surface *surface;
--
1.9.1
More information about the Nouveau
mailing list