diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc_loader.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_loader.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c index 23345e15bffc..34405de72dfa 100644 --- a/drivers/gpu/drm/i915/intel_guc_loader.c +++ b/drivers/gpu/drm/i915/intel_guc_loader.c @@ -284,6 +284,17 @@ static int guc_ucode_xfer_dma(struct drm_i915_private *dev_priv) return ret; } +static u32 guc_wopcm_size(struct drm_i915_private *dev_priv) +{ + u32 wopcm_size = GUC_WOPCM_TOP; + + /* On BXT, the top of WOPCM is reserved for RC6 context */ + if (IS_BROXTON(dev_priv)) + wopcm_size -= BXT_GUC_WOPCM_RC6_RESERVED; + + return wopcm_size; +} + /* * Load the GuC firmware blob into the MinuteIA. */ @@ -311,7 +322,7 @@ static int guc_ucode_xfer(struct drm_i915_private *dev_priv) intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); /* init WOPCM */ - I915_WRITE(GUC_WOPCM_SIZE, GUC_WOPCM_SIZE_VALUE); + I915_WRITE(GUC_WOPCM_SIZE, guc_wopcm_size(dev_priv)); I915_WRITE(DMA_GUC_WOPCM_OFFSET, GUC_WOPCM_OFFSET_VALUE); /* Enable MIA caching. GuC clock gating is disabled. */ @@ -555,9 +566,7 @@ static void guc_fw_fetch(struct drm_device *dev, struct intel_guc_fw *guc_fw) /* Header and uCode will be loaded to WOPCM. Size of the two. */ size = guc_fw->header_size + guc_fw->ucode_size; - - /* Top 32k of WOPCM is reserved (8K stack + 24k RC6 context). */ - if (size > GUC_WOPCM_SIZE_VALUE - 0x8000) { + if (size > guc_wopcm_size(dev->dev_private)) { DRM_ERROR("Firmware is too large to fit in WOPCM\n"); goto fail; } |