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drm/tilcdc: Fix module unloading 

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>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
hifive-unleashed-5.1
Jyri Sarha 2015-02-26 10:12:41 +02:00
parent ba155e2d21
commit de9cb5f20a
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/tilcdc/tilcdc_crtc.c
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@ -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);