From: Bich Hemon <bich.hemon@xxxxxx>
Modify delay to display last pixel column on DVO
Signed-off-by: Bich Hemon <bich.hemon@xxxxxx>
---
drivers/gpu/drm/sti/sti_vtg.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sti/sti_vtg.c b/drivers/gpu/drm/sti/sti_vtg.c
index 313d703..32c7986 100644
--- a/drivers/gpu/drm/sti/sti_vtg.c
+++ b/drivers/gpu/drm/sti/sti_vtg.c
@@ -64,6 +64,9 @@
/* Delay introduced by the HDMI in nb of pixel */
#define HDMI_DELAY (5)
+/* Delay introduced by the DVO in nb of pixel */
+#define DVO_DELAY (2)
+
/* delay introduced by the Arbitrary Waveform Generator in nb of pixels */
#define AWG_DELAY_HD (-9)
#define AWG_DELAY_ED (-8)
@@ -278,7 +281,7 @@ static void vtg_set_mode(struct sti_vtg *vtg,
vtg_set_hsync_vsync_pos(&sync[VTG_SYNC_ID_HDF - 1], AWG_DELAY_HD, mode);
/* Set hsync and vsync position for DVO */
- vtg_set_hsync_vsync_pos(&sync[VTG_SYNC_ID_DVO - 1], 0, mode);
+ vtg_set_hsync_vsync_pos(&sync[VTG_SYNC_ID_DVO - 1], DVO_DELAY, mode);
/* Progam the syncs outputs */
for (i = 0; i < VTG_MAX_SYNC_OUTPUT ; i++) {
--
1.9.1
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