[Intel-gfx] [PATCH] drm/i915/cnl: Do not add an extra page for precaution in the Gen10 LRC size

[Oscar Mateo]

BSpec indicates exactly 16752 DWORDs (17 pages), plus one page for PPHWSP.

BSpec: 1383

v2: Update count and add BSpec tag (Joonas)

Suggested-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Fixes: 7fd0b1a ("drm/i915/cnl: Add Gen10 LRC size")
Signed-off-by: Oscar Mateo <oscar.mateo at intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Cc: Ben Widawsky <ben at bwidawsk.net>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index a75f5e8..25ef740 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -39,7 +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 GEN10_LR_CONTEXT_RENDER_SIZE	(18 * PAGE_SIZE)
 
 #define GEN8_LR_CONTEXT_OTHER_SIZE	( 2 * PAGE_SIZE)
 
-- 
1.9.1