[v6,1/7] drm/tilcdc: Fix module unloading
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Message ID 11f5aeadc96d41a8d40d096d044cc57884ca499c.1432718049.git.jsarha@ti.com
State New
Headers show

Commit Message

Jyri Sarha May 27, 2015, 9:22 a.m. UTC
Force crtc dpms off before destroying the crtc instead of just
checking the dpms state. This fixes warning message and frozen picture
after tilcdc module unloading.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch
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diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index c735884..c2d5980 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -135,11 +135,12 @@  static void stop(struct drm_crtc *crtc)
 	tilcdc_clear(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE);
 }
 
+static void tilcdc_crtc_dpms(struct drm_crtc *crtc, int mode);
 static void tilcdc_crtc_destroy(struct drm_crtc *crtc)
 {
 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
 
-	WARN_ON(tilcdc_crtc->dpms == DRM_MODE_DPMS_ON);
+	tilcdc_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 
 	drm_crtc_cleanup(crtc);
 	drm_flip_work_cleanup(&tilcdc_crtc->unref_work);