drm/xe/oa: Refactor WAs to use XE_WA() macro

Refactor Wa_18013179988, Wa_14015568240, Wa_1508761755, and
Wa_1509372804, to use the proper workaround-check implementation for
out-of-band workarounds, XE_WA(), and drop the use of the platform
based WA selection.

Reviewed-by: Tejas Upadhyay <[email protected]>
Reviewed-by: Lucas De Marchi <[email protected]>
Signed-off-by: Aradhya Bhatia <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Lucas De Marchi <[email protected]>

Author: aradhyab7

drivers/gpu/drm/xe/xe_oa.c

@@ -12,6 +12,8 @@
 #include <drm/drm_managed.h>
 #include <uapi/drm/xe_drm.h>
 
+#include <generated/xe_wa_oob.h>
+
 #include "abi/guc_actions_slpc_abi.h"
 #include "instructions/xe_mi_commands.h"
 #include "regs/xe_engine_regs.h"
@@ -35,6 +37,7 @@
 #include "xe_sched_job.h"
 #include "xe_sriov.h"
 #include "xe_sync.h"
+#include "xe_wa.h"
 
 #define DEFAULT_POLL_FREQUENCY_HZ 200
 #define DEFAULT_POLL_PERIOD_NS (NSEC_PER_SEC / DEFAULT_POLL_FREQUENCY_HZ)
@@ -812,11 +815,8 @@ static void xe_oa_disable_metric_set(struct xe_oa_stream *stream)
 	struct xe_mmio *mmio = &stream->gt->mmio;
 	u32 sqcnt1;
 
-	/*
-	 * Wa_1508761755:xehpsdv, dg2
-	 * Enable thread stall DOP gating and EU DOP gating.
-	 */
-	if (stream->oa->xe->info.platform == XE_DG2) {
+	/* Enable thread stall DOP gating and EU DOP gating. */
+	if (XE_WA(stream->gt, 1508761755)) {
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN,
 					  _MASKED_BIT_DISABLE(STALL_DOP_GATING_DISABLE));
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN2,
@@ -1065,11 +1065,10 @@ static int xe_oa_enable_metric_set(struct xe_oa_stream *stream)
 	int ret;
 
 	/*
-	 * Wa_1508761755:xehpsdv, dg2
 	 * EU NOA signals behave incorrectly if EU clock gating is enabled.
 	 * Disable thread stall DOP gating and EU DOP gating.
 	 */
-	if (stream->oa->xe->info.platform == XE_DG2) {
+	if (XE_WA(stream->gt, 1508761755)) {
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN,
 					  _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN2,
@@ -1720,12 +1719,10 @@ static int xe_oa_stream_init(struct xe_oa_stream *stream,
 	}
 
 	/*
-	 * Wa_1509372804:pvc
-	 *
 	 * GuC reset of engines causes OA to lose configuration
 	 * state. Prevent this by overriding GUCRC mode.
 	 */
-	if (stream->oa->xe->info.platform == XE_PVC) {
+	if (XE_WA(stream->gt, 1509372804)) {
 		ret = xe_guc_pc_override_gucrc_mode(&gt->uc.guc.pc,
 						    SLPC_GUCRC_MODE_GUCRC_NO_RC6);
 		if (ret)
@@ -1857,23 +1854,14 @@ u32 xe_oa_timestamp_frequency(struct xe_gt *gt)
 {
 	u32 reg, shift;
 
-	/*
-	 * Wa_18013179988:dg2
-	 * Wa_14015568240:pvc
-	 * Wa_14015846243:mtl
-	 */
-	switch (gt_to_xe(gt)->info.platform) {
-	case XE_DG2:
-	case XE_PVC:
-	case XE_METEORLAKE:
+	if (XE_WA(gt, 18013179988) || XE_WA(gt, 14015568240)) {
 		xe_pm_runtime_get(gt_to_xe(gt));
 		reg = xe_mmio_read32(&gt->mmio, RPM_CONFIG0);
 		xe_pm_runtime_put(gt_to_xe(gt));
 
 		shift = REG_FIELD_GET(RPM_CONFIG0_CTC_SHIFT_PARAMETER_MASK, reg);
 		return gt->info.reference_clock << (3 - shift);
-
-	default:
+	} else {
 		return gt->info.reference_clock;
 	}
 }

drivers/gpu/drm/xe/xe_wa_oob.rules

@@ -47,3 +47,8 @@ no_media_l3	MEDIA_VERSION(3000)
 		MEDIA_VERSION(1300)
 14016712196	GRAPHICS_VERSION(1255)
 		GRAPHICS_VERSION_RANGE(1270, 1274)
+14015568240	GRAPHICS_VERSION_RANGE(1255, 1260)
+18013179988	GRAPHICS_VERSION(1255)
+		GRAPHICS_VERSION_RANGE(1270, 1274)
+1508761755	GRAPHICS_VERSION(1255)
+		GRAPHICS_VERSION(1260), GRAPHICS_STEP(A0, B0)