[PATCH] drm/xe/bmg: Apply Wa_22019338487

[Vinay Belgaumkar]

Extend this WA to BMG GT as well. In this case media GT is
not affected. The cap frequencies and max allowed ggtt writes
are different as well.

Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar at intel.com>
---
 drivers/gpu/drm/xe/xe_ggtt.c       | 11 ++++++++---
 drivers/gpu/drm/xe/xe_guc_pc.c     | 11 ++++++++---
 drivers/gpu/drm/xe/xe_wa_oob.rules |  1 +
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 883cfc7f98a8..0cdbc1296e88 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -74,6 +74,9 @@ static unsigned int probe_gsm_size(struct pci_dev *pdev)
 
 static void ggtt_update_access_counter(struct xe_ggtt *ggtt)
 {
+	struct xe_gt *gt = XE_WA(ggtt->tile->primary_gt, 22019338487) ? ggtt->tile->primary_gt :
+			   ggtt->tile->media_gt;
+	u32 max_gtt_writes = XE_WA(ggtt->tile->primary_gt, 22019338487) ? 1100 : 63;
 	/*
 	 * Wa_22019338487: GMD_ID is a RO register, a dummy write forces gunit
 	 * to wait for completion of prior GTT writes before letting this through.
@@ -81,8 +84,8 @@ static void ggtt_update_access_counter(struct xe_ggtt *ggtt)
 	 */
 	lockdep_assert_held(&ggtt->lock);
 
-	if ((++ggtt->access_count % 63) == 0) {
-		xe_mmio_write32(ggtt->tile->media_gt, GMD_ID, 0x0);
+	if ((++ggtt->access_count % max_gtt_writes) == 0) {
+		xe_mmio_write32(gt, GMD_ID, 0x0);
 		ggtt->access_count = 0;
 	}
 }
@@ -218,7 +221,9 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt)
 		ggtt->size = GUC_GGTT_TOP;
 
 	if (GRAPHICS_VERx100(xe) >= 1270)
-		ggtt->pt_ops = ggtt->tile->media_gt && XE_WA(ggtt->tile->media_gt, 22019338487) ?
+		ggtt->pt_ops = (ggtt->tile->media_gt &&
+			       XE_WA(ggtt->tile->media_gt, 22019338487)) ||
+			       XE_WA(ggtt->tile->primary_gt, 22019338487) ?
 			       &xelpg_pt_wa_ops : &xelpg_pt_ops;
 	else
 		ggtt->pt_ops = &xelp_pt_ops;
diff --git a/drivers/gpu/drm/xe/xe_guc_pc.c b/drivers/gpu/drm/xe/xe_guc_pc.c
index d88f5e960fbd..16c4b3fadd45 100644
--- a/drivers/gpu/drm/xe/xe_guc_pc.c
+++ b/drivers/gpu/drm/xe/xe_guc_pc.c
@@ -45,6 +45,7 @@
 #define GT_FREQUENCY_SCALER	3
 
 #define LNL_MERT_FREQ_CAP	800
+#define BMG_MERT_FREQ_CAP	2133
 
 /**
  * DOC: GuC Power Conservation (PC)
@@ -703,10 +704,14 @@ static u32 pc_max_freq_cap(struct xe_guc_pc *pc)
 {
 	struct xe_gt *gt = pc_to_gt(pc);
 
-	if (XE_WA(gt, 22019338487))
-		return min(LNL_MERT_FREQ_CAP, pc->rp0_freq);
-	else
+	if (XE_WA(gt, 22019338487)) {
+		if (xe_gt_is_media_type(gt))
+			return min(LNL_MERT_FREQ_CAP, pc->rp0_freq);
+		else
+			return min(BMG_MERT_FREQ_CAP, pc->rp0_freq);
+	} else {
 		return pc->rp0_freq;
+	}
 }
 
 /**
diff --git a/drivers/gpu/drm/xe/xe_wa_oob.rules b/drivers/gpu/drm/xe/xe_wa_oob.rules
index a6b897030fde..26066beb4f6f 100644
--- a/drivers/gpu/drm/xe/xe_wa_oob.rules
+++ b/drivers/gpu/drm/xe/xe_wa_oob.rules
@@ -28,3 +28,4 @@
 		GRAPHICS_VERSION(2004)
 13011645652	GRAPHICS_VERSION(2004)
 22019338487	MEDIA_VERSION(2000)
+		GRAPHICS_VERSION(2001)
-- 
2.38.1