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| author | Daniel Vetter | 2016-12-06 10:26:30 +0100 |
|---|---|---|
| committer | Daniel Vetter | 2016-12-06 10:26:48 +0100 |
| commit | 75e75cbd55183ff12459666c0a1d3e71fe1481ab (patch) | |
| tree | a1dc32cc055770736397f9cf9b68f9e176184943 /drivers/gpu/drm/imx | |
| parent | drm/amdgpu: don't add files at control minor debugfs directory (diff) | |
| parent | Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| download | kernel-qcow2-linux-75e75cbd55183ff12459666c0a1d3e71fe1481ab.tar.gz kernel-qcow2-linux-75e75cbd55183ff12459666c0a1d3e71fe1481ab.tar.xz kernel-qcow2-linux-75e75cbd55183ff12459666c0a1d3e71fe1481ab.zip | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Backmerge v4.9-rc8 to get at
commit e94bd1736f1f60e916a85a80c0b0ebeaae36cce5
Author: Michel Dänzer <michel.daenzer@amd.com>
Date: Wed Nov 30 17:30:01 2016 +0900
drm: Don't call drm_for_each_crtc with a non-KMS driver
so I can apply Michel's follow-up patch.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/imx')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-crtc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 4e1ae3fc462d..6be515a9fb69 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -68,6 +68,12 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, ipu_dc_disable_channel(ipu_crtc->dc); ipu_di_disable(ipu_crtc->di); + /* + * Planes must be disabled before DC clock is removed, as otherwise the + * attached IDMACs will be left in undefined state, possibly hanging + * the IPU or even system. + */ + drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); ipu_dc_disable(ipu); spin_lock_irq(&crtc->dev->event_lock); @@ -77,9 +83,6 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, } spin_unlock_irq(&crtc->dev->event_lock); - /* always disable planes on the CRTC */ - drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, true); - drm_crtc_vblank_off(crtc); } |