Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com>
---
drivers/gpu/drm/drm_edid.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c0258b011bb2..2f6df10ed9f1 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -4156,6 +4156,11 @@ int drm_av_sync_delay(struct drm_connector *connector,
}
EXPORT_SYMBOL(drm_av_sync_delay);
+static bool force_dvi_monitor = false;
+module_param(force_dvi_monitor, bool, 0644);
+MODULE_PARM_DESC(force_dvi_monitor,
+ "Ignore the EDID and always consider the monitor as DVI
instead of HDMI");
+
/**
* drm_detect_hdmi_monitor - detect whether monitor is HDMI
* @edid: monitor EDID information
@@ -4170,6 +4175,9 @@ bool drm_detect_hdmi_monitor(struct edid *edid)
int i;
int start_offset, end_offset;
+ if (force_dvi_monitor)
+ return false;
+
edid_ext = drm_find_cea_extension(edid);
if (!edid_ext)
return false;
--
git-series 0.9.1
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