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drm/radeon/kms: add s/r quirk for Compaq Presario V5245EU

Message ID 1314629725-8040-1-git-send-email-alexdeucher@gmail.com (mailing list archive)
State Accepted
Headers show

Commit Message

Alex Deucher Aug. 29, 2011, 2:55 p.m. UTC 
From: Alex Deucher <alexander.deucher@amd.com>

Fixes resume on Compaq Presario V5245EU.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=41642

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
---
 drivers/gpu/drm/radeon/radeon_combios.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index e0138b6..6367524 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -3298,6 +3298,14 @@  void radeon_combios_asic_init(struct drm_device *dev)
 	    rdev->pdev->subsystem_device == 0x30a4)
 		return;
 
+	/* quirk for rs4xx Compaq Presario V5245EU 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 == 0x30ae)
+		return;
+
 	/* DYN CLK 1 */
 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
 	if (table)