diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc_loader.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_loader.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c index dd62c3174a92..6ff7feab3c26 100644 --- a/drivers/gpu/drm/i915/intel_guc_loader.c +++ b/drivers/gpu/drm/i915/intel_guc_loader.c @@ -128,6 +128,21 @@ static void set_guc_init_params(struct drm_i915_private *dev_priv) i915.guc_log_level << GUC_LOG_VERBOSITY_SHIFT; } + /* If GuC submission is enabled, set up additional parameters here */ + if (i915.enable_guc_submission) { + u32 pgs = i915_gem_obj_ggtt_offset(dev_priv->guc.ctx_pool_obj); + u32 ctx_in_16 = GUC_MAX_GPU_CONTEXTS / 16; + + pgs >>= PAGE_SHIFT; + params[GUC_CTL_CTXINFO] = (pgs << GUC_CTL_BASE_ADDR_SHIFT) | + (ctx_in_16 << GUC_CTL_CTXNUM_IN16_SHIFT); + + params[GUC_CTL_FEATURE] |= GUC_CTL_KERNEL_SUBMISSIONS; + + /* Unmask this bit to enable the GuC's internal scheduler */ + params[GUC_CTL_FEATURE] &= ~GUC_CTL_DISABLE_SCHEDULER; + } + I915_WRITE(SOFT_SCRATCH(0), 0); for (i = 0; i < GUC_CTL_MAX_DWORDS; i++) @@ -360,6 +375,10 @@ int intel_guc_ucode_load(struct drm_device *dev) break; } + err = i915_guc_submission_init(dev); + if (err) + goto fail; + err = guc_ucode_xfer(dev_priv); if (err) goto fail; @@ -521,6 +540,8 @@ void intel_guc_ucode_fini(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw; + i915_guc_submission_fini(dev); + if (guc_fw->guc_fw_obj) drm_gem_object_unreference(&guc_fw->guc_fw_obj->base); guc_fw->guc_fw_obj = NULL; |