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[v3,05/11] drm/tilcdc: Fix load mode bit-field setting in tilcdc_crtc_enable()

Message ID f6c0dbd4b67f0ce7fc1f8709e25daa18b03749b1.1479832733.git.jsarha@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jyri Sarha Nov. 22, 2016, 4:54 p.m. UTC
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@ti.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index b3f35dc..0f89422 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -236,7 +236,9 @@  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);