[PATCH v2 6/6] drm/i915: Remove special handling for !RCS_MASK()

[Lucas De Marchi]

With both XEHPSDV and PVC removed (as platforms, most of their code
remain used by others), there's no need to handle !RCS_MASK() as
other platforms don't ever have fused-off render. Remove those code
paths and the special WA flag when initializing GuC.

Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_engine_cs.c   | 5 ++---
 drivers/gpu/drm/i915/gt/uc/intel_guc.c      | 4 ----
 drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 1 -
 3 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 396f5fe993c3..476651bd0a21 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -497,9 +497,8 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id,
 	engine->logical_mask = BIT(logical_instance);
 	__sprint_engine_name(engine);
 
-	if ((engine->class == COMPUTE_CLASS && !RCS_MASK(engine->gt) &&
-	     __ffs(CCS_MASK(engine->gt)) == engine->instance) ||
-	     engine->class == RENDER_CLASS)
+	if ((engine->class == COMPUTE_CLASS || engine->class == RENDER_CLASS) &&
+	    __ffs(CCS_MASK(engine->gt) | RCS_MASK(engine->gt)) == engine->instance)
 		engine->flags |= I915_ENGINE_FIRST_RENDER_COMPUTE;
 
 	/* features common between engines sharing EUs */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 217277329546..3dd7699f2ad3 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -320,10 +320,6 @@ static u32 guc_ctl_wa_flags(struct intel_guc *guc)
 	if (IS_DG2_G11(gt->i915))
 		flags |= GUC_WA_CONTEXT_ISOLATION;
 
-	/* Wa_18020744125 */
-	if (!RCS_MASK(gt))
-		flags |= GUC_WA_RCS_REGS_IN_CCS_REGS_LIST;
-
 	/*
 	 * Wa_14018913170: Applicable to all platforms supported by i915 so
 	 * don't bother testing for all X/Y/Z platforms explicitly.
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
index 14797e80bc92..1ad31a743197 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
@@ -101,7 +101,6 @@
 #define   GUC_WA_RCS_CCS_SWITCHOUT	BIT(16)
 #define   GUC_WA_HOLD_CCS_SWITCHOUT	BIT(17)
 #define   GUC_WA_POLLCS			BIT(18)
-#define   GUC_WA_RCS_REGS_IN_CCS_REGS_LIST	BIT(21)
 #define   GUC_WA_ENABLE_TSC_CHECK_ON_RC6	BIT(22)
 
 #define GUC_CTL_FEATURE			2
-- 
2.43.0