From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Jul 2010 03:54:35 +0000 (-0400)
Subject: drm/radeon/kms: add quirk to make HP DV5000 laptop resume
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=52fa2bbc8ec46255039e2048d616bbd0852ee292;p=linux-beck.git

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 <acimmarusti@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index d1c1d8dd93ce..2417d7b06fdb 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -3050,6 +3050,14 @@ void radeon_combios_asic_init(struct drm_device *dev)
 	    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)