drm/i915/guc: Add GuC ADS - enabling ADS

Set ADS enabling flag during GuC init.

Signed-off-by: Alex Dai <yu.dai@intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450468812-4882-6-git-send-email-yu.dai@intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index 550921f2ef7d5073f73d26481a44ebb1b4bbfb4d..d20788ffd3417e28234366b7af5278b2a2a186fd 100644 (file)
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -165,6 +165,13 @@ static void set_guc_init_params(struct drm_i915_private *dev_priv)
                        i915.guc_log_level << GUC_LOG_VERBOSITY_SHIFT;
        }
 
+       if (guc->ads_obj) {
+               u32 ads = (u32)i915_gem_obj_ggtt_offset(guc->ads_obj)
+                               >> PAGE_SHIFT;
+               params[GUC_CTL_DEBUG] |= ads << GUC_ADS_ADDR_SHIFT;
+               params[GUC_CTL_DEBUG] |= GUC_ADS_ENABLED;
+       }
+
        /* 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);