diff options
author | Alex Deucher <alexander.deucher@amd.com> | 2015-02-06 20:53:27 +0300 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2015-02-11 20:01:35 +0300 |
commit | 410af8d7285a0b96314845c75c39fd612b755688 (patch) | |
tree | 2f1fe79a27cb08c95673df0a897e5178f128b77a /drivers/gpu/drm/radeon/kv_dpm.c | |
parent | a9c73a0e022c33954835e66fec3cd744af90ec98 (diff) | |
download | linux-410af8d7285a0b96314845c75c39fd612b755688.tar.xz |
drm/radeon: only enable kv/kb dpm interrupts once v3
Enable at init and disable on fini. Workaround for hardware problems.
v2 (chk): extend commit message
v3: add new function
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com> (v2)
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/kv_dpm.c')
-rw-r--r-- | drivers/gpu/drm/radeon/kv_dpm.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index c5eb286517a8..0e236d067d66 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -1169,6 +1169,19 @@ void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable) } } +static void kv_enable_thermal_int(struct radeon_device *rdev, bool enable) +{ + u32 thermal_int; + + thermal_int = RREG32_SMC(CG_THERMAL_INT_CTRL); + if (enable) + thermal_int |= THERM_INTH_MASK | THERM_INTL_MASK; + else + thermal_int &= ~(THERM_INTH_MASK | THERM_INTL_MASK); + WREG32_SMC(CG_THERMAL_INT_CTRL, thermal_int); + +} + int kv_dpm_enable(struct radeon_device *rdev) { struct kv_power_info *pi = kv_get_pi(rdev); @@ -1280,8 +1293,7 @@ int kv_dpm_late_enable(struct radeon_device *rdev) DRM_ERROR("kv_set_thermal_temperature_range failed\n"); return ret; } - rdev->irq.dpm_thermal = true; - radeon_irq_set(rdev); + kv_enable_thermal_int(rdev, true); } /* powerdown unused blocks for now */ @@ -1312,6 +1324,7 @@ void kv_dpm_disable(struct radeon_device *rdev) kv_stop_dpm(rdev); kv_enable_ulv(rdev, false); kv_reset_am(rdev); + kv_enable_thermal_int(rdev, false); kv_update_current_ps(rdev, rdev->pm.dpm.boot_ps); } |