[PATCH] drm/stm: ltdc: fix data enable polarity

Yannick Fertré yannick.fertre at st.com
Fri Mar 29 15:50:20 UTC 2019


Wrong DISPLAY_FLAGS used to set the data enable polarity.

Signed-off-by: Yannick Fertré <yannick.fertre at st.com>
---
 drivers/gpu/drm/stm/ltdc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index b1741a9..6ba326a 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -555,7 +555,7 @@ static void ltdc_crtc_mode_set_nofb(struct drm_crtc *crtc)
 	if (vm.flags & DISPLAY_FLAGS_VSYNC_HIGH)
 		val |= GCR_VSPOL;
 
-	if (vm.flags & DISPLAY_FLAGS_DE_HIGH)
+	if (vm.flags & DISPLAY_FLAGS_DE_LOW)
 		val |= GCR_DEPOL;
 
 	if (vm.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
-- 
2.7.4



More information about the dri-devel mailing list