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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2016-09-22 14:07:05 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2016-11-02 10:48:18 +0200
commit26a8d210d2d4a0b005935541a689b93cc6bc4cdc (patch)
treef8cdd6fa28ec2f3f784d06fbe4cadc54a98ad9b7 /drivers/gpu/drm/omapdrm
parentda11bbbb10a964c293c2e2e702ea62ad6cba48b4 (diff)
downloadlinux-26a8d210d2d4a0b005935541a689b93cc6bc4cdc.tar.bz2
drm/omap: panel-tpo-td043mtea1: Add note for incorrect sync drive edge
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> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
index f78102aab2e6..0787dba44faa 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
@@ -89,6 +89,10 @@ static const struct videomode tpo_td043_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 to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)