drm/nv50: DCB table quirks for another busted XFX board (e540afc3) · Commits · jan.koester / Linux

drivers/gpu/drm/nouveau/nouveau_bios.c

+31 −0

Original line number	Diff line number	Diff line
		@@ -6377,6 +6377,37 @@ apply_dcb_encoder_quirks(struct drm_device dev, int idx, u32 conn, u32 *conf)
		}
		}

		/* Some other twisted XFX board (rhbz#694914)
		*
		* The DVI/VGA encoder combo that's supposed to represent the
		* DVI-I connector actually point at two different ones, and
		* the HDMI connector ends up paired with the VGA instead.
		*
		* Connector table is missing anything for VGA at all, pointing it
		* an invalid conntab entry 2 so we figure it out ourself.
		*/
		if (nv_match_device(dev, 0x0615, 0x1682, 0x2605)) {
		if (idx == 0) {
		conn = 0x02002300; / VGA, connector 2 */
		*conf = 0x00000028;
		} else
		if (idx == 1) {
		conn = 0x01010312; / DVI, connector 0 */
		*conf = 0x00020030;
		} else
		if (idx == 2) {
		conn = 0x04020310; / VGA, connector 0 */
		*conf = 0x00000028;
		} else
		if (idx == 3) {
		conn = 0x02021322; / HDMI, connector 1 */
		*conf = 0x00020010;
		} else {
		conn = 0x0000000e; / EOL */
		*conf = 0x00000000;
		}
		}

		return true;
		}