drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5

[ Upstream commit cd17e02ff4db58ec32d35cf331c705d295779930 ]

Seems to have problems with high mclks.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=76490

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 2b70d3eca8fdd2672941343d5c8e226ccaf40d42..534edaa779403a2a16f36c503a3de970f983117a 100644 (file)
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2921,6 +2921,7 @@ struct si_dpm_quirk {
 static struct si_dpm_quirk si_dpm_quirk_list[] = {
        /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */
        { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 },
+       { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 },
        { 0, 0, 0, 0 },
 };