Signed-off-by: Adam Jackson <[email protected]>
---
drivers/gpu/drm/i915/intel_sdvo.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c
b/drivers/gpu/drm/i915/intel_sdvo.c
index 3003fb2..82de0b0 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1174,6 +1174,18 @@ static int intel_sdvo_mode_valid(struct drm_connector
*connector,
return MODE_PANEL;
}
+ if (mode->vtotal - mode->vdisplay < 3)
+ return MODE_VBLANK_NARROW;
+
+ if (mode->vsync_end - mode->vsync_start < 1)
+ return MODE_VSYNC_NARROW;
+
+ if (mode->htotal - mode->hdisplay < 16)
+ return MODE_HBLANK_NARROW;
+
+ if (mode->hsync_end - mode->hsync_start < 16)
+ return MODE_HSYNC_NARROW;
+
return MODE_OK;
}
--
1.7.6.4
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