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

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
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index e0138b674aca..63675241c7ff 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)