[PATCH 3.18 219/222] drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5

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From: Alex Deucher <alexander.deucher@xxxxxxx>

[ 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@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 drivers/gpu/drm/radeon/si_dpm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 2b70d3e..534edaa 100644
--- 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 },
 };
 
-- 
2.1.0

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