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 d1c1d8d..2417d7b 100644 (file)
--- 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)