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openSUSE:Leap:42.3:Update
drm.7971
0517-drm-fsl-dcu-enable-IRQ-before-drm_atomic_h...
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File 0517-drm-fsl-dcu-enable-IRQ-before-drm_atomic_helper_resu.patch of Package drm.7971
From cffc01d24d2591cd2184c13fba32f50abfd20e68 Mon Sep 17 00:00:00 2001 From: Stefan Agner <stefan@agner.ch> Date: Fri, 10 Nov 2017 10:15:28 +0100 Subject: [PATCH] drm/fsl-dcu: enable IRQ before drm_atomic_helper_resume() commit 9fd99f4f3f5e13ce959900ae57d64b1bdb51d823 upstream. The resume helpers wait for a vblank to occurre hence IRQ need to be enabled. This avoids a warning as follows during resume: WARNING: CPU: 0 PID: 314 at drivers/gpu/drm/drm_atomic_helper.c:1249 drm_atomic_helper_wait_for_vblanks.part.1+0x284/0x288 [CRTC:28:crtc-0] vblank wait timed out Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c @@ -265,6 +265,7 @@ static int fsl_dcu_drm_pm_resume(struct if (fsl_dev->tcon) fsl_tcon_bypass_enable(fsl_dev->tcon); fsl_dcu_drm_init_planes(fsl_dev->drm); + enable_irq(fsl_dev->irq); drm_atomic_helper_resume(fsl_dev->drm, fsl_dev->state); console_lock(); @@ -272,7 +273,6 @@ static int fsl_dcu_drm_pm_resume(struct console_unlock(); drm_kms_helper_poll_enable(fsl_dev->drm); - enable_irq(fsl_dev->irq); return 0; }
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