linux-kernel - [PATCH 6/9] drm/xe/xe_late_bind_fw: Reload late binding fw in rpm resume

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Message-ID: <20250710150831.3018674-17-rodrigo.vivi@intel.com>
Date: Thu, 10 Jul 2025 11:08:37 -0400
From: Rodrigo Vivi <rodrigo.vivi@...el.com>
To: <intel-xe@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
	<linux-kernel@...r.kernel.org>
CC: <gregkh@...uxfoundation.org>, <daniele.ceraolospurio@...el.com>,
	<anshuman.gupta@...el.com>, <alexander.usyskin@...el.com>, Badal Nilawar
	<badal.nilawar@...el.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>
Subject: [PATCH 6/9] drm/xe/xe_late_bind_fw: Reload late binding fw in rpm resume

From: Badal Nilawar <badal.nilawar@...el.com>

Reload late binding fw during runtime resume.

Signed-off-by: Badal Nilawar <badal.nilawar@...el.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@...el.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@...el.com>
---
 drivers/gpu/drm/xe/xe_late_bind_fw.c | 2 +-
 drivers/gpu/drm/xe/xe_late_bind_fw.h | 1 +
 drivers/gpu/drm/xe/xe_pm.c           | 4 ++++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_late_bind_fw.c b/drivers/gpu/drm/xe/xe_late_bind_fw.c
index 85cd42a1ec05..df43523e9043 100644
--- a/drivers/gpu/drm/xe/xe_late_bind_fw.c
+++ b/drivers/gpu/drm/xe/xe_late_bind_fw.c
@@ -82,7 +82,7 @@ static int xe_late_bind_fw_num_fans(struct xe_late_bind *late_bind)
 		return 0;
 }
 
-static void xe_late_bind_wait_for_worker_completion(struct xe_late_bind *late_bind)
+void xe_late_bind_wait_for_worker_completion(struct xe_late_bind *late_bind)
 {
 	struct xe_device *xe = late_bind_to_xe(late_bind);
 	struct xe_late_bind_fw *lbfw;
diff --git a/drivers/gpu/drm/xe/xe_late_bind_fw.h b/drivers/gpu/drm/xe/xe_late_bind_fw.h
index 28d56ed2bfdc..07e437390539 100644
--- a/drivers/gpu/drm/xe/xe_late_bind_fw.h
+++ b/drivers/gpu/drm/xe/xe_late_bind_fw.h
@@ -12,5 +12,6 @@ struct xe_late_bind;
 
 int xe_late_bind_init(struct xe_late_bind *late_bind);
 int xe_late_bind_fw_load(struct xe_late_bind *late_bind);
+void xe_late_bind_wait_for_worker_completion(struct xe_late_bind *late_bind);
 
 #endif
diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c
index 7131c403cbe8..b2cd94dd817e 100644
--- a/drivers/gpu/drm/xe/xe_pm.c
+++ b/drivers/gpu/drm/xe/xe_pm.c
@@ -20,6 +20,7 @@
 #include "xe_gt.h"
 #include "xe_guc.h"
 #include "xe_irq.h"
+#include "xe_late_bind_fw.h"
 #include "xe_pcode.h"
 #include "xe_pxp.h"
 #include "xe_trace.h"
@@ -545,6 +546,9 @@ int xe_pm_runtime_resume(struct xe_device *xe)
 
 	xe_pxp_pm_resume(xe->pxp);
 
+	if (xe->d3cold.allowed)
+		xe_late_bind_fw_load(&xe->late_bind);
+
 out:
 	xe_rpm_lockmap_release(xe);
 	xe_pm_write_callback_task(xe, NULL);
-- 
2.49.0