drm/xe/rtp: Pass xe_device parameter to FUNC matches

FUNC matches in RTP only pass the GT and hwe, preventing them from being
used effectively in device workarounds.  Add an additional xe_device
parameter so that we can use them in device workarounds where a GT may
not be available.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/20251013200944.2499947-41-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>

drivers/gpu/drm/xe/tests/xe_rtp_test.c

@@ -48,12 +48,14 @@ struct rtp_test_case {
 	const struct xe_rtp_entry *entries;
 };
 
-static bool match_yes(const struct xe_gt *gt, const struct xe_hw_engine *hwe)
+static bool match_yes(const struct xe_device *xe, const struct xe_gt *gt,
+		      const struct xe_hw_engine *hwe)
 {
 	return true;
 }
 
-static bool match_no(const struct xe_gt *gt, const struct xe_hw_engine *hwe)
+static bool match_no(const struct xe_device *xe, const struct xe_gt *gt,
+		     const struct xe_hw_engine *hwe)
 {
 	return false;
 }

drivers/gpu/drm/xe/xe_hw_engine.c

@@ -346,17 +346,19 @@ void xe_hw_engine_enable_ring(struct xe_hw_engine *hwe)
 	xe_hw_engine_mmio_read32(hwe, RING_MI_MODE(0));
 }
 
-static bool xe_hw_engine_match_fixed_cslice_mode(const struct xe_gt *gt,
+static bool xe_hw_engine_match_fixed_cslice_mode(const struct xe_device *xe,
+						 const struct xe_gt *gt,
 						 const struct xe_hw_engine *hwe)
 {
 	return xe_gt_ccs_mode_enabled(gt) &&
-	       xe_rtp_match_first_render_or_compute(gt, hwe);
+	       xe_rtp_match_first_render_or_compute(xe, gt, hwe);
 }
 
-static bool xe_rtp_cfeg_wmtp_disabled(const struct xe_gt *gt,
+static bool xe_rtp_cfeg_wmtp_disabled(const struct xe_device *xe,
+				      const struct xe_gt *gt,
 				      const struct xe_hw_engine *hwe)
 {
-	if (GRAPHICS_VER(gt_to_xe(gt)) < 20)
+	if (GRAPHICS_VER(xe) < 20)
 		return false;
 
 	if (hwe->class != XE_ENGINE_CLASS_COMPUTE &&

drivers/gpu/drm/xe/xe_reg_whitelist.c

@@ -19,7 +19,8 @@
 #undef XE_REG_MCR
 #define XE_REG_MCR(...)     XE_REG(__VA_ARGS__, .mcr = 1)
 
-static bool match_not_render(const struct xe_gt *gt,
+static bool match_not_render(const struct xe_device *xe,
+			     const struct xe_gt *gt,
 			     const struct xe_hw_engine *hwe)
 {
 	return hwe->class != XE_ENGINE_CLASS_RENDER;

drivers/gpu/drm/xe/xe_rtp.c

@@ -133,10 +133,7 @@ static bool rule_matches(const struct xe_device *xe,
 			match = hwe->class != r->engine_class;
 			break;
 		case XE_RTP_MATCH_FUNC:
-			if (drm_WARN_ON(&xe->drm, !gt))
-				return false;
-
-			match = r->match_func(gt, hwe);
+			match = r->match_func(xe, gt, hwe);
 			break;
 		default:
 			drm_warn(&xe->drm, "Invalid RTP match %u\n",
@@ -343,13 +340,15 @@ void xe_rtp_process(struct xe_rtp_process_ctx *ctx,
 }
 EXPORT_SYMBOL_IF_KUNIT(xe_rtp_process);
 
-bool xe_rtp_match_even_instance(const struct xe_gt *gt,
+bool xe_rtp_match_even_instance(const struct xe_device *xe,
+				const struct xe_gt *gt,
 				const struct xe_hw_engine *hwe)
 {
 	return hwe->instance % 2 == 0;
 }
 
-bool xe_rtp_match_first_render_or_compute(const struct xe_gt *gt,
+bool xe_rtp_match_first_render_or_compute(const struct xe_device *xe,
+					  const struct xe_gt *gt,
 					  const struct xe_hw_engine *hwe)
 {
 	u64 render_compute_mask = gt->info.engine_mask &
@@ -359,19 +358,22 @@ bool xe_rtp_match_first_render_or_compute(const struct xe_gt *gt,
 		hwe->engine_id == __ffs(render_compute_mask);
 }
 
-bool xe_rtp_match_not_sriov_vf(const struct xe_gt *gt,
+bool xe_rtp_match_not_sriov_vf(const struct xe_device *xe,
+			       const struct xe_gt *gt,
 			       const struct xe_hw_engine *hwe)
 {
-	return !IS_SRIOV_VF(gt_to_xe(gt));
+	return !IS_SRIOV_VF(xe);
 }
 
-bool xe_rtp_match_psmi_enabled(const struct xe_gt *gt,
+bool xe_rtp_match_psmi_enabled(const struct xe_device *xe,
+			       const struct xe_gt *gt,
 			       const struct xe_hw_engine *hwe)
 {
-	return xe_configfs_get_psmi_enabled(to_pci_dev(gt_to_xe(gt)->drm.dev));
+	return xe_configfs_get_psmi_enabled(to_pci_dev(xe->drm.dev));
 }
 
-bool xe_rtp_match_gt_has_discontiguous_dss_groups(const struct xe_gt *gt,
+bool xe_rtp_match_gt_has_discontiguous_dss_groups(const struct xe_device *xe,
+						  const struct xe_gt *gt,
 						  const struct xe_hw_engine *hwe)
 {
 	return xe_gt_has_discontiguous_dss_groups(gt);

drivers/gpu/drm/xe/xe_rtp.h

@@ -440,18 +440,21 @@ void xe_rtp_process(struct xe_rtp_process_ctx *ctx,
 
 /**
  * xe_rtp_match_even_instance - Match if engine instance is even
+ * @xe: Device structure
  * @gt: GT structure
  * @hwe: Engine instance
  *
  * Returns: true if engine instance is even, false otherwise
  */
-bool xe_rtp_match_even_instance(const struct xe_gt *gt,
+bool xe_rtp_match_even_instance(const struct xe_device *xe,
+				const struct xe_gt *gt,
 				const struct xe_hw_engine *hwe);
 
 /*
  * xe_rtp_match_first_render_or_compute - Match if it's first render or compute
  * engine in the GT
  *
+ * @xe: Device structure
  * @gt: GT structure
  * @hwe: Engine instance
  *
@@ -463,24 +466,29 @@ bool xe_rtp_match_even_instance(const struct xe_gt *gt,
  * Returns: true if engine id is the first to match the render reset domain,
  * false otherwise.
  */
-bool xe_rtp_match_first_render_or_compute(const struct xe_gt *gt,
+bool xe_rtp_match_first_render_or_compute(const struct xe_device *xe,
+					  const struct xe_gt *gt,
 					  const struct xe_hw_engine *hwe);
 
 /*
  * xe_rtp_match_not_sriov_vf - Match when not on SR-IOV VF device
  *
+ * @xe: Device structure
  * @gt: GT structure
  * @hwe: Engine instance
  *
  * Returns: true if device is not VF, false otherwise.
  */
-bool xe_rtp_match_not_sriov_vf(const struct xe_gt *gt,
+bool xe_rtp_match_not_sriov_vf(const struct xe_device *xe,
+			       const struct xe_gt *gt,
 			       const struct xe_hw_engine *hwe);
 
-bool xe_rtp_match_psmi_enabled(const struct xe_gt *gt,
+bool xe_rtp_match_psmi_enabled(const struct xe_device *xe,
+			       const struct xe_gt *gt,
 			       const struct xe_hw_engine *hwe);
 
-bool xe_rtp_match_gt_has_discontiguous_dss_groups(const struct xe_gt *gt,
+bool xe_rtp_match_gt_has_discontiguous_dss_groups(const struct xe_device *xe,
+						  const struct xe_gt *gt,
 						  const struct xe_hw_engine *hwe);
 
 #endif

drivers/gpu/drm/xe/xe_rtp_types.h

@@ -10,6 +10,7 @@
 
 #include "regs/xe_reg_defs.h"
 
+struct xe_device;
 struct xe_hw_engine;
 struct xe_gt;
 
@@ -86,7 +87,8 @@ struct xe_rtp_rule {
 			u8 engine_class;
 		};
 		/* MATCH_FUNC */
-		bool (*match_func)(const struct xe_gt *gt,
+		bool (*match_func)(const struct xe_device *xe,
+				   const struct xe_gt *gt,
 				   const struct xe_hw_engine *hwe);
 	};
 };