According to the datasheet of the panel, both data, DEN and sync signals
are expected to be driven on the falling edge of the DOTCLK.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
index fd33156bc34c..04fe235b7cac 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
@@ -52,6 +52,10 @@ static const struct videomode sharp_ls_vm = {
.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_NEGEDGE |
DISPLAY_FLAGS_PIXDATA_POSEDGE,
+ /*
+ * Note: According to the panel documentation:
+ * DATA needs to be driven on the FALLING edge
+ */
};
#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
--
2.10.0
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