diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2014-06-17 16:01:08 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-05 14:52:10 -0700 |
| commit | 1f2c5d16eeef415810c2ec6b3bb6e1372897fd84 (patch) | |
| tree | a77fb0c4ee28b12579222329673b47132d235714 /drivers/gpu | |
| parent | b4216116fd15a2609a39c8b40d46fb372c493439 (diff) | |
| download | kernel-common-1f2c5d16eeef415810c2ec6b3bb6e1372897fd84.tar.gz kernel-common-1f2c5d16eeef415810c2ec6b3bb6e1372897fd84.tar.bz2 kernel-common-1f2c5d16eeef415810c2ec6b3bb6e1372897fd84.zip | |
drm/radeon: enable bapm by default on desktop TN/RL boards
commit 0c78a44964db3d483b0c09a8236e0fe123aa9cfc upstream.
bapm enabled the GPU and CPU to share TDP headroom. It was
disabled by default since some laptops hung when it was enabled
in conjunction with dpm. It seems to be stable on desktop
boards and fixes hangs on boot with dpm enabled on certain
boards, so enable it by default on desktop boards.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=72921
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/trinity_dpm.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 2da0e17eb960..19be829d2cd7 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1877,7 +1877,15 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - pi->enable_bapm = false; + /* 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. + */ + if (rdev->flags & RADEON_IS_MOBILITY) + pi->enable_bapm = false; + else + pi->enable_bapm = true; pi->enable_nbps_policy = true; pi->enable_sclk_ds = true; pi->enable_gfx_power_gating = true; |