[PATCH] drm/atomic-helper: Really recover pre-atomic plane/cursor behavior

[PATCH] drm/atomic-helper: Really recover pre-atomic plane/cursor behavior

[Daniel Vetter]

I've fumbled this in

commit f02ad907cd9e7fe3a6405d2d005840912f1ed258
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Jan 22 16:36:23 2015 +0100

    drm/atomic-helpers: Recover full cursor plane behaviour

and accidentally put the assignment for legacy_cursor_upate after the
atomic commit, where it is pretty useless.

Reported-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
 drivers/gpu/drm/drm_atomic_helper.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index d536817699c1..9f216ff61af3 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1310,13 +1310,13 @@ retry:
 	plane_state->src_h = src_h;
 	plane_state->src_w = src_w;
 
+	if (plane == crtc->cursor)
+		state->legacy_cursor_update = true;
+
 	ret = drm_atomic_commit(state);
 	if (ret != 0)
 		goto fail;
 
-	if (plane == crtc->cursor)
-		state->legacy_cursor_update = true;
-
 	/* Driver takes ownership of state on successful commit. */
 	return 0;
 fail:
-- 
2.1.4

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Re: [PATCH] drm/atomic-helper: Really recover pre-atomic plane/cursor behavior

[shuang.he]

Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
Task id: 6311
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                                  276/276              276/276
ILK                                  302/302              302/302
SNB                                  316/316              316/316
IVB                                  342/342              342/342
BYT                                  286/286              286/286
BDW                                  321/321              321/321
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
Note: You need to pay more attention to line start with '*'
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