[PATCH v3 3/5] drm/xe: Move Wa_15015404425 to use the new EX_DEVICE_WA macro

Matt Atwood matthew.s.atwood at intel.com
Wed Jun 25 19:33:38 UTC 2025


Move Wa_15015404425 to use the new implemented OOB macro XE_DEVICE_WA()

v2: rename from SoC to Device

Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
---
 drivers/gpu/drm/xe/xe_device_wa_oob.rules |  1 +
 drivers/gpu/drm/xe/xe_mmio.c              | 10 +++++-----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_device_wa_oob.rules b/drivers/gpu/drm/xe/xe_device_wa_oob.rules
index e69de29bb2d1..b7d12ea4d65c 100644
--- a/drivers/gpu/drm/xe/xe_device_wa_oob.rules
+++ b/drivers/gpu/drm/xe/xe_device_wa_oob.rules
@@ -0,0 +1 @@
+15015404425     PLATFORM(LUNARLAKE)
diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c
index 7357458bc0d2..4990b3a47afd 100644
--- a/drivers/gpu/drm/xe/xe_mmio.c
+++ b/drivers/gpu/drm/xe/xe_mmio.c
@@ -22,6 +22,9 @@
 #include "xe_macros.h"
 #include "xe_sriov.h"
 #include "xe_trace.h"
+#include "xe_wa.h"
+
+#include "generated/xe_soc_wa_oob.h"
 
 static void tiles_fini(void *arg)
 {
@@ -163,9 +166,6 @@ static void mmio_flush_pending_writes(struct xe_mmio *mmio)
 #define DUMMY_REG_OFFSET	0x130030
 	int i;
 
-	if (mmio->tile->xe->info.platform != XE_LUNARLAKE)
-		return;
-
 	/* 4 dummy writes */
 	for (i = 0; i < 4; i++)
 		writel(0, mmio->regs + DUMMY_REG_OFFSET);
@@ -176,8 +176,8 @@ u8 xe_mmio_read8(struct xe_mmio *mmio, struct xe_reg reg)
 	u32 addr = xe_mmio_adjusted_addr(mmio, reg.addr);
 	u8 val;
 
-	/* Wa_15015404425 */
-	mmio_flush_pending_writes(mmio);
+	if (XE_DEVICE_WA(mmio->tile->xe, 15015404425))
+		mmio_flush_pending_writes(mmio);
 
 	val = readb(mmio->regs + addr);
 	trace_xe_reg_rw(mmio, false, addr, val, sizeof(val));
-- 
2.49.0



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