Commit 3a69adfe5617 ("drm/radeon: drop oland quirks") removed
quirks for Oland but also caused a regression where M270 GPUs
would go into a lock-up when OpenGL intensive applications were used.
This reverts the change only for the M270 and fixes the lock-ups.
Signed-off-by: Umang Raghuvanshi <u at umangis.me>
---
drivers/gpu/drm/radeon/si_dpm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 2944916f7102..fc2f998bdbf0 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3017,6 +3017,11 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
(rdev->pdev->device == 0x6667)) {
max_sclk = 75000;
}
+ } else if (rdev->family == CHIP_OLAND && rdev->pdev->device == 0x6604 &&
+ rdev->pdev->revision == 0) {
+ // Fix max_sclk and max_mclk for the Radeon R7 M270
+ max_sclk = 75000;
+ max_mclk = 80000;
}
/* Apply dpm quirks */
while (p && p->chip_device != 0) {
--
2.12.0
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