diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2014-10-26 20:10:21 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-10-28 15:44:35 +0100 |
| commit | 72b3f9183ed57e4a2f0601a1c25ae2fd39855952 (patch) | |
| tree | c3ebef746071453f9ec648bf9fe9290bcbe48ada | |
| parent | radeon: clean up coding style differences in radeon_get_bios() (diff) | |
| download | linux-72b3f9183ed57e4a2f0601a1c25ae2fd39855952.tar.xz linux-72b3f9183ed57e4a2f0601a1c25ae2fd39855952.zip | |
drm/radeon: dpm fixes for asrock systems
- bapm seems to cause CPU stuck messages so disable it.
- nb dpm seems to prevent GPU dpm from getting enabled, so
disable it.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=85107
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/gpu/drm/radeon/kv_dpm.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index 1dd976f447fa..9b42001295ba 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -2725,7 +2725,11 @@ int kv_dpm_init(struct radeon_device *rdev) pi->sram_end = SMC_RAM_END; - pi->enable_nb_dpm = true; + /* Enabling nb dpm on an asrock system prevents dpm from working */ + if (rdev->pdev->subsystem_vendor == 0x1849) + pi->enable_nb_dpm = false; + else + pi->enable_nb_dpm = true; pi->caps_power_containment = true; pi->caps_cac = true; @@ -2740,10 +2744,19 @@ int kv_dpm_init(struct radeon_device *rdev) pi->caps_sclk_ds = true; pi->enable_auto_thermal_throttling = true; pi->disable_nb_ps3_in_battery = false; - if (radeon_bapm == 0) + if (radeon_bapm == -1) { + /* There are stability issues reported on with + * bapm enabled on an asrock system. + */ + if (rdev->pdev->subsystem_vendor == 0x1849) + pi->bapm_enable = false; + else + pi->bapm_enable = true; + } else if (radeon_bapm == 0) { pi->bapm_enable = false; - else + } else { pi->bapm_enable = true; + } pi->voltage_drop_t = 0; pi->caps_sclk_throttle_low_notification = false; pi->caps_fps = false; /* true? */ |