[PATCH AUTOSEL for 3.18 12/59] drm/radeon/si: add dpm quirk for Oland

From: alexander . levin
Date: Thu Dec 07 2017 - 11:18:09 EST


From: Alex Deucher <alexander.deucher@xxxxxxx>

[ Upstream commit 0f424de1fd9bc4ab24bd1fe5430ab5618e803e31 ]

OLAND 0x1002:0x6604 0x1028:0x066F 0x00 seems to have problems
with higher sclks.

Acked-by: Christian KÃnig <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
---
drivers/gpu/drm/radeon/si_dpm.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index e684508d5188..e54d26e54c37 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2988,6 +2988,12 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
max_sclk = 75000;
max_mclk = 80000;
}
+ } else if (rdev->family == CHIP_OLAND) {
+ if ((rdev->pdev->device == 0x6604) &&
+ (rdev->pdev->subsystem_vendor == 0x1028) &&
+ (rdev->pdev->subsystem_device == 0x066F)) {
+ max_sclk = 75000;
+ }
}
/* Apply dpm quirks */
while (p && p->chip_device != 0) {
--
2.11.0