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drm/tilcdc: Call drm_crtc_vblank_on() and *_off() in start() and stop() 

Add drm_crtc_vblank_on() and *_off() calls to start() and stop()
functions, to make sure any vblank waits etc. gets properly cleaned
up.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
hifive-unleashed-5.1
Jyri Sarha 2016-06-15 11:16:23 +03:00
parent 437c7d948d
commit d85f850ed6
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/tilcdc/tilcdc_crtc.c
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@ -109,6 +109,8 @@ static void start(struct drm_crtc *crtc)
tilcdc_clear(dev, LCDC_DMA_CTRL_REG, LCDC_DUAL_FRAME_BUFFER_ENABLE);
tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_PALETTE_LOAD_MODE(DATA_ONLY));
tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE);
drm_crtc_vblank_on(crtc);
}
static void stop(struct drm_crtc *crtc)
@ -132,6 +134,8 @@ static void stop(struct drm_crtc *crtc)
dev_err(dev->dev, "%s: timeout waiting for framedone\n",
__func__);
}
drm_crtc_vblank_off(crtc);
}
static void tilcdc_crtc_destroy(struct drm_crtc *crtc)