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drm/plane-helper: Adapt cursor hack to transitional helpers

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commit f02ad907cd
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Jan 22 16:36:23 2015 +0100

    drm/atomic-helpers: Recover full cursor plane behaviour

we've added a hack to atomic helpers to never to vblank waits for
cursor updates through the legacy apis since that's what X expects.
Unfortunately we've (again) forgotten to adjust the transitional
helpers. Do this now.

This fixes regressions for drivers only partially converted over to
atomic (like i915).

Reported-by: Pekka Paalanen <ppaalanen@gmail.com>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-and-tested-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Daniel Vetter 2015-05-20 10:36:32 +02:00 committed by Jani Nikula
parent 030bbdbf4c
commit 2e7f43c41c
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/drm_plane_helper.c
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@ -465,6 +465,9 @@ int drm_plane_helper_commit(struct drm_plane *plane,
if (!crtc[i])
continue;
if (crtc[i]->cursor == plane)
continue;
/* There's no other way to figure out whether the crtc is running. */
ret = drm_crtc_vblank_get(crtc[i]);
if (ret == 0) {