diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index f00e64f9320c..b306e2338f5a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3641,7 +3641,20 @@ intel_has_sagv(struct drm_i915_private *dev_priv) static void skl_setup_sagv_block_time(struct drm_i915_private *dev_priv) { - if (IS_GEN(dev_priv, 11)) { + if (INTEL_GEN(dev_priv) >= 12) { + u32 val = 0; + int ret; + + ret = sandybridge_pcode_read(dev_priv, + GEN12_PCODE_READ_SAGV_BLOCK_TIME_US, + &val, NULL); + if (!ret) { + dev_priv->sagv_block_time_us = val; + return; + } + + DRM_DEBUG_DRIVER("Couldn't read SAGV block time!\n"); + } else if (IS_GEN(dev_priv, 11)) { dev_priv->sagv_block_time_us = 10; return; } else if (IS_GEN(dev_priv, 10)) { |