diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 40a3094e55ca..906501d6b298 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3670,8 +3670,8 @@ intel_has_sagv(struct drm_i915_private *dev_priv) dev_priv->sagv_status != I915_SAGV_NOT_CONTROLLED; } -static void -skl_setup_sagv_block_time(struct drm_i915_private *dev_priv) +static u32 +intel_sagv_block_time(struct drm_i915_private *dev_priv) { if (DISPLAY_VER(dev_priv) >= 12) { u32 val = 0; @@ -3680,23 +3680,30 @@ skl_setup_sagv_block_time(struct drm_i915_private *dev_priv) ret = snb_pcode_read(dev_priv, GEN12_PCODE_READ_SAGV_BLOCK_TIME_US, &val, NULL); - if (!ret) { - dev_priv->sagv_block_time_us = val; - return; + if (ret) { + drm_dbg_kms(&dev_priv->drm, "Couldn't read SAGV block time!\n"); + return 0; } - drm_dbg(&dev_priv->drm, "Couldn't read SAGV block time!\n"); + return val; } else if (DISPLAY_VER(dev_priv) == 11) { - dev_priv->sagv_block_time_us = 10; - return; - } else if (DISPLAY_VER(dev_priv) == 9) { - dev_priv->sagv_block_time_us = 30; - return; + return 10; + } else if (DISPLAY_VER(dev_priv) == 9 && !IS_LP(dev_priv)) { + return 30; } else { - MISSING_CASE(DISPLAY_VER(dev_priv)); + return 0; } +} + +static void intel_sagv_init(struct drm_i915_private *i915) +{ + i915->sagv_block_time_us = intel_sagv_block_time(i915); - dev_priv->sagv_block_time_us = 0; + drm_dbg_kms(&i915->drm, "SAGV supported: %s, original SAGV block time: %u us\n", + str_yes_no(intel_has_sagv(i915)), i915->sagv_block_time_us); + + if (!intel_has_sagv(i915)) + i915->sagv_block_time_us = 0; } /* @@ -8175,8 +8182,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv) else if (GRAPHICS_VER(dev_priv) == 5) ilk_get_mem_freq(dev_priv); - if (intel_has_sagv(dev_priv)) - skl_setup_sagv_block_time(dev_priv); + intel_sagv_init(dev_priv); /* For FIFO watermark updates */ if (DISPLAY_VER(dev_priv) >= 9) { |