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[1/2] drm/sti: hdmi fix CEA-861E video format timing error

Message ID 1433493226-22971-2-git-send-email-vincent.abriou@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vincent Abriou June 5, 2015, 8:33 a.m. UTC
HDMI analyzer tests showed that Vsync and Hsync signal were not
compliant with the HDMI protocol.

The first active pixel of a line is defined by HDMI_ACTIVE_VID_XMIN.
The last active pixel of a line is defined by HDMI_ACTIVE_VID_XMAX.

Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
---
 drivers/gpu/drm/sti/sti_hdmi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index ae5424b..f28a4d5 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -192,8 +192,8 @@  static void hdmi_active_area(struct sti_hdmi *hdmi)
 	u32 xmin, xmax;
 	u32 ymin, ymax;
 
-	xmin = sti_vtg_get_pixel_number(hdmi->mode, 0);
-	xmax = sti_vtg_get_pixel_number(hdmi->mode, hdmi->mode.hdisplay - 1);
+	xmin = sti_vtg_get_pixel_number(hdmi->mode, 1);
+	xmax = sti_vtg_get_pixel_number(hdmi->mode, hdmi->mode.hdisplay);
 	ymin = sti_vtg_get_line_number(hdmi->mode, 0);
 	ymax = sti_vtg_get_line_number(hdmi->mode, hdmi->mode.vdisplay - 1);