drm/radeon/kms: add quirk to make HP DV5000 laptop resume

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=29062

Reported-by: Andres Cimmarusti <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>
Signed-off-by: Dave Airlie <[e-mail]>

drivers/gpu/drm/radeon/radeon_combios.c

···
 	    rdev->pdev->subsystem_device == 0x308b)
 		return;
 
+	/* quirk for rs4xx HP dv5000 laptop to make it resume
+	 * - it hangs on resume inside the dynclk 1 table.
+	 */
+	if (rdev->family == CHIP_RS480 &&
+	    rdev->pdev->subsystem_vendor == 0x103c &&
+	    rdev->pdev->subsystem_device == 0x30a4)
+		return;
+
 	/* DYN CLK 1 */
 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
 	if (table)