Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH 24/26] drm/omap: panel-tpo-td028ttec1: Add note for incorrect sync drive edge | Date | Thu, 1 Sep 2016 14:23:18 +0300 |
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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@ti.com> --- drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c index c003f4dd2a18..f313dbfcbacb 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c @@ -56,6 +56,10 @@ static struct videomode td028ttec1_panel_vm = { .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_POSEDGE | DISPLAY_FLAGS_PIXDATA_NEGEDGE, + /* + * Note: According to the panel documentation: + * SYNC needs to be driven on the FALLING edge + */ }; #define JBT_COMMAND 0x000 -- 2.9.3
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