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authorAlex Deucher <alexander.deucher@amd.com>2014-07-21 10:41:13 -0400
committerAlex Deucher <alexander.deucher@amd.com>2014-07-21 13:17:39 -0400
commit730a336c33a3398d65896e8ee3ef9f5679fe30a9 (patch)
tree4cb6cb9c07feb8c70600b1c24f4f08adb01e9c6f
parentcc9e67e3d7000c1efbaf929c6bdaf78707407b3b (diff)
downloadop-kernel-dev-730a336c33a3398d65896e8ee3ef9f5679fe30a9.zip
op-kernel-dev-730a336c33a3398d65896e8ee3ef9f5679fe30a9.tar.gz
drm/radeon/TN: only enable bapm on MSI systems
There still seem to be stability problems with other systems. Bug: https://bugs.freedesktop.org/show_bug.cgi?id=72921 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/trinity_dpm.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 20da6ff..32e50be 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1874,15 +1874,16 @@ int trinity_dpm_init(struct radeon_device *rdev)
for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
pi->at[i] = TRINITY_AT_DFLT;
- /* There are stability issues reported on latops with
- * bapm installed when switching between AC and battery
- * power. At the same time, some desktop boards hang
- * if it's not enabled and dpm is enabled.
+ /* There are stability issues reported on with
+ * bapm enabled when switching between AC and battery
+ * power. At the same time, some MSI boards hang
+ * if it's not enabled and dpm is enabled. Just enable
+ * it for MSI boards right now.
*/
- if (rdev->flags & RADEON_IS_MOBILITY)
- pi->enable_bapm = false;
- else
+ if (rdev->pdev->subsystem_vendor == 0x1462)
pi->enable_bapm = true;
+ else
+ pi->enable_bapm = false;
pi->enable_nbps_policy = true;
pi->enable_sclk_ds = true;
pi->enable_gfx_power_gating = true;
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