diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 2fcf72760df72..763730febfde6 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -806,7 +806,7 @@ static void skl_set_power_well(struct drm_i915_private *dev_priv, { uint32_t tmp, fuse_status; uint32_t req_mask, state_mask; - bool is_enabled, enable_requested, check_fuse_status = false; + bool check_fuse_status = false; tmp = I915_READ(HSW_PWR_WELL_DRIVER); fuse_status = I915_READ(SKL_FUSE_STATUS); @@ -844,29 +844,22 @@ static void skl_set_power_well(struct drm_i915_private *dev_priv, } req_mask = SKL_POWER_WELL_REQ(power_well->id); - enable_requested = tmp & req_mask; state_mask = SKL_POWER_WELL_STATE(power_well->id); - is_enabled = tmp & state_mask; - if (!enable && enable_requested) + if (!enable) skl_power_well_pre_disable(dev_priv, power_well); if (enable) { - if (!enable_requested) - I915_WRITE(HSW_PWR_WELL_DRIVER, tmp | req_mask); + I915_WRITE(HSW_PWR_WELL_DRIVER, tmp | req_mask); - if (!is_enabled) { - DRM_DEBUG_KMS("Enabling %s\n", power_well->name); - check_fuse_status = true; - } + DRM_DEBUG_KMS("Enabling %s\n", power_well->name); + check_fuse_status = true; gen9_wait_for_power_well_enable(dev_priv, power_well); } else { - if (enable_requested) { - I915_WRITE(HSW_PWR_WELL_DRIVER, tmp & ~req_mask); - POSTING_READ(HSW_PWR_WELL_DRIVER); - DRM_DEBUG_KMS("Disabling %s\n", power_well->name); - } + I915_WRITE(HSW_PWR_WELL_DRIVER, tmp & ~req_mask); + POSTING_READ(HSW_PWR_WELL_DRIVER); + DRM_DEBUG_KMS("Disabling %s\n", power_well->name); gen9_wait_for_power_well_disable(dev_priv, power_well); } @@ -889,7 +882,7 @@ static void skl_set_power_well(struct drm_i915_private *dev_priv, } } - if (enable && !is_enabled) + if (enable) skl_power_well_post_enable(dev_priv, power_well); } |