drm/i915/cnl: Add Gen10 LRC size

The total size of the context has decreased with the removal of the
URB_ATOMIC section. BSpec indicates 16750 DWORDs (17 pages), plus
one page for PPHWSP, and I'm throwing an extra page for precaution.

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1506035989-14295-1-git-send-email-oscar.mateo@intel.com

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index d755a2ae422308abaaf817890905f6158546f47d..020e4c6c0192542071fd24579bdb303460a5e49c 100644 (file)
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -39,6 +39,7 @@
 
 #define GEN8_LR_CONTEXT_RENDER_SIZE    (20 * PAGE_SIZE)
 #define GEN9_LR_CONTEXT_RENDER_SIZE    (22 * PAGE_SIZE)
+#define GEN10_LR_CONTEXT_RENDER_SIZE   (19 * PAGE_SIZE)
 
 #define GEN8_LR_CONTEXT_OTHER_SIZE     ( 2 * PAGE_SIZE)
 
@@ -150,6 +151,7 @@ __intel_engine_context_size(struct drm_i915_private *dev_priv, u8 class)
                default:
                        MISSING_CASE(INTEL_GEN(dev_priv));
                case 10:
+                       return GEN10_LR_CONTEXT_RENDER_SIZE;
                case 9:
                        return GEN9_LR_CONTEXT_RENDER_SIZE;
                case 8: