drm/nv50: respect LVDS link count from EDID on SPWG panels (b23b9e71) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/gpu/drm/nouveau/nv50_display.c

+15 −3

Original line number	Diff line number	Diff line
		@@ -517,13 +517,25 @@ nv50_display_script_select(struct drm_device dev, struct dcb_entry dcb,
		if (bios->fp.if_is_24bit)
		script \|= 0x0200;
		} else {
		/* determine number of lvds links */
		if (nv_connector && nv_connector->edid &&
		nv_connector->dcb->type == DCB_CONNECTOR_LVDS_SPWG) {
		/* http://www.spwg.org */
		if (((u8 *)nv_connector->edid)[121] == 2)
		script \|= 0x0100;
		} else
		if (pxclk >= bios->fp.duallink_transition_clk) {
		script \|= 0x0100;
		}

		/* determine panel depth */
		if (script & 0x0100) {
		if (bios->fp.strapless_is_24bit & 2)
		script \|= 0x0200;
		} else
		} else {
		if (bios->fp.strapless_is_24bit & 1)
		script \|= 0x0200;
		}

		if (nv_connector && nv_connector->edid &&
		(nv_connector->edid->revision >= 4) &&