[PATCH v4 05/10] drm/tilcdc: Fix load mode bit-field setting in tilcdc_crtc_enable()

[Jyri Sarha]

Set LCDC_PALETTE_LOAD_MODE bit-field with new tilcdc_write_mask()
instead of tilcdc_set(). Setting a bit-fields with tilcdc_set() is
fundamentally broken.

Signed-off-by: Jyri Sarha <jsarha at ti.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c 
b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 4605942..1ed65dd 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -237,7 +237,9 @@ static void tilcdc_crtc_enable(struct drm_crtc *crtc)
        tilcdc_crtc_enable_irqs(dev);

        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_write_mask(dev, LCDC_RASTER_CTRL_REG,
+                         LCDC_PALETTE_LOAD_MODE(DATA_ONLY),
+                         LCDC_PALETTE_LOAD_MODE_MASK);
        tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE);

        drm_crtc_vblank_on(crtc);
-- 
1.9.1