drm/radeon: add a dpm quirk for Sapphire Radeon R9 270X 2GB GDDR5

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

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

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 1dbdf32..787cd8f 100644 (file)
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2926,6 +2926,7 @@ 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 },
+       { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 },
        { 0, 0, 0, 0 },
 };