redonkable/alistair23-linux
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drm/sti: adjust delay for DVO

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Modify delay to display last pixel column on DVO

Signed-off-by: Bich Hemon <bich.hemon@st.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
This commit is contained in:
Bich Hemon 2016-02-02 14:30:13 +01:00 committed by Vincent Abriou
parent 0a1dc29db3
commit 9a0249485a
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/sti/sti_vtg.c
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@ -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++) {