switch (offset) {
case 0x4ddc:
vgpu_vreg(vgpu, offset) = 0x8000003c;
+ /* WaCompressedResourceSamplerPbeMediaNewHashMode:skl */
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, REVID_FOREVER))
+ I915_WRITE(reg, vgpu_vreg(vgpu, offset));
break;
case 0x42080:
vgpu_vreg(vgpu, offset) = 0x8000;
+ /* WaCompressedResourceDisplayNewHashMode:skl */
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_E0, REVID_FOREVER))
+ I915_WRITE(reg, vgpu_vreg(vgpu, offset));
break;
default:
return -EINVAL;
}
- /**
- * TODO: need detect stepping info after gvt contain such information
- * 0x4ddc enabled after C0, 0x42080 enabled after E0.
- */
- I915_WRITE(reg, vgpu_vreg(vgpu, offset));
return 0;
}