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

commit 302a8e8b06d312dcb3b718dfeb42aa912b5f426b upstream.

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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index a74217c..cd3c86c 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -3279,6 +3279,14 @@ 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)