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Commit c8435362 authored by Ben Skeggs's avatar Ben Skeggs Committed by Dave Airlie
Browse files

drm/nouveau: default to 8bpc for non-LVDS panels if EDID isn't useful 



A few reports of bad behaviour since the autodetection defaulted to 6bpc,
lets fix this.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent c61205b2

drivers/gpu/drm/nouveau/nouveau_connector.c

+6 −3
Original line number Diff line number Diff line
@@ -654,10 +654,13 @@ nouveau_connector_detect_depth(struct drm_connector *connector) 
	if (nv_connector->edid && connector->display_info.bpc)

		return;



	/* if not, we're out of options unless we're LVDS, default to 6bpc */

	connector->display_info.bpc = 6;

	if (nv_encoder->dcb->type != OUTPUT_LVDS)

	/* if not, we're out of options unless we're LVDS, default to 8bpc */

	if (nv_encoder->dcb->type != OUTPUT_LVDS) {

		connector->display_info.bpc = 8;

		return;

	}



	connector->display_info.bpc = 6;



	/* LVDS: panel straps */

	if (bios->fp_no_ddc) {