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| author | Thomas Gleixner <tglx@linutronix.de> | 2016-11-16 14:19:34 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-11-16 14:19:34 +0100 |
| commit | 7ce7f35b33eb42b6aa4cf176fa34372b21b8472b (patch) | |
| tree | 12f3027003f1d7cce30f838265e4fab2d52c6cef /drivers/gpu/drm/imx/ipuv3-crtc.c | |
| parent | x86/intel_rdt: Update percpu closid immeditately on CPUs affected by changee (diff) | |
| parent | x86/cpuid: Provide get_scattered_cpuid_leaf() (diff) | |
| download | linux-7ce7f35b33eb42b6aa4cf176fa34372b21b8472b.tar.xz linux-7ce7f35b33eb42b6aa4cf176fa34372b21b8472b.zip | |
Merge branch 'x86/cpufeature' into x86/cache
Resolve the cpu/scattered conflict.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3-crtc.c')
| -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); } |