Turns out 1366x768 does not in fact work on this hardware.
Signed-off-by: Adam Jackson <ajax@xxxxxxxxxx>
---
drivers/gpu/drm/mgag200/mgag200_mode.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 6e84df9..ad4b901 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1526,6 +1526,11 @@ static int mga_vga_mode_valid(struct drm_connector *connector,
return MODE_BANDWIDTH;
}
+ if ((mode->hdisplay % 8) != 0 || (mode->hsync_start % 8) != 0 ||
+ (mode->hsync_end % 8) != 0 || (mode->htotal % 8) != 0) {
+ return MODE_H_ILLEGAL;
+ }
+
if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 ||
mode->crtc_hsync_end > 4096 || mode->crtc_htotal > 4096 ||
mode->crtc_vdisplay > 2048 || mode->crtc_vsync_start > 4096 ||
--
2.1.0
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