Merge v6.12.35linux-rolling-lts

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

5 files changed, 146 insertions, 52 deletions

diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index c6e0c8d77a70..a1928cedc7dd 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -352,6 +352,36 @@ void xe_display_pm_suspend(struct xe_device *xe)
 	__xe_display_pm_suspend(xe, false);
 }
 
+void xe_display_pm_shutdown(struct xe_device *xe)
+{
+	struct intel_display *display = &xe->display;
+
+	if (!xe->info.probe_display)
+		return;
+
+	intel_power_domains_disable(xe);
+	intel_fbdev_set_suspend(&xe->drm, FBINFO_STATE_SUSPENDED, true);
+	if (has_display(xe)) {
+		drm_kms_helper_poll_disable(&xe->drm);
+		intel_display_driver_disable_user_access(xe);
+		intel_display_driver_suspend(xe);
+	}
+
+	xe_display_flush_cleanup_work(xe);
+	intel_dp_mst_suspend(xe);
+	intel_hpd_cancel_work(xe);
+
+	if (has_display(xe))
+		intel_display_driver_suspend_access(xe);
+
+	intel_encoder_suspend_all(display);
+	intel_encoder_shutdown_all(display);
+
+	intel_opregion_suspend(display, PCI_D3cold);
+
+	intel_dmc_suspend(xe);
+}
+
 void xe_display_pm_runtime_suspend(struct xe_device *xe)
 {
 	if (!xe->info.probe_display)
@@ -376,6 +406,19 @@ void xe_display_pm_suspend_late(struct xe_device *xe)
 	intel_display_power_suspend_late(xe);
 }
 
+void xe_display_pm_shutdown_late(struct xe_device *xe)
+{
+	if (!xe->info.probe_display)
+		return;
+
+	/*
+	 * The only requirement is to reboot with display DC states disabled,
+	 * for now leaving all display power wells in the INIT power domain
+	 * enabled.
+	 */
+	intel_power_domains_driver_remove(xe);
+}
+
 void xe_display_pm_resume_early(struct xe_device *xe)
 {
 	if (!xe->info.probe_display)
diff --git a/drivers/gpu/drm/xe/display/xe_display.h b/drivers/gpu/drm/xe/display/xe_display.h
index bed55fd26f30..17afa537aee5 100644
--- a/drivers/gpu/drm/xe/display/xe_display.h
+++ b/drivers/gpu/drm/xe/display/xe_display.h
@@ -35,7 +35,9 @@ void xe_display_irq_reset(struct xe_device *xe);
 void xe_display_irq_postinstall(struct xe_device *xe, struct xe_gt *gt);
 
 void xe_display_pm_suspend(struct xe_device *xe);
+void xe_display_pm_shutdown(struct xe_device *xe);
 void xe_display_pm_suspend_late(struct xe_device *xe);
+void xe_display_pm_shutdown_late(struct xe_device *xe);
 void xe_display_pm_resume_early(struct xe_device *xe);
 void xe_display_pm_resume(struct xe_device *xe);
 void xe_display_pm_runtime_suspend(struct xe_device *xe);
@@ -66,7 +68,9 @@ static inline void xe_display_irq_reset(struct xe_device *xe) {}
 static inline void xe_display_irq_postinstall(struct xe_device *xe, struct xe_gt *gt) {}
 
 static inline void xe_display_pm_suspend(struct xe_device *xe) {}
+static inline void xe_display_pm_shutdown(struct xe_device *xe) {}
 static inline void xe_display_pm_suspend_late(struct xe_device *xe) {}
+static inline void xe_display_pm_shutdown_late(struct xe_device *xe) {}
 static inline void xe_display_pm_resume_early(struct xe_device *xe) {}
 static inline void xe_display_pm_resume(struct xe_device *xe) {}
 static inline void xe_display_pm_runtime_suspend(struct xe_device *xe) {}
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 23e02372a49d..0c3db53b93d8 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -374,6 +374,11 @@ err:
 	return ERR_PTR(err);
 }
 
+static bool xe_driver_flr_disabled(struct xe_device *xe)
+{
+	return xe_mmio_read32(xe_root_mmio_gt(xe), GU_CNTL_PROTECTED) & DRIVERINT_FLR_DIS;
+}
+
 /*
  * The driver-initiated FLR is the highest level of reset that we can trigger
  * from within the driver. It is different from the PCI FLR in that it doesn't
@@ -387,17 +392,12 @@ err:
  * if/when a new instance of i915 is bound to the device it will do a full
  * re-init anyway.
  */
-static void xe_driver_flr(struct xe_device *xe)
+static void __xe_driver_flr(struct xe_device *xe)
 {
 	const unsigned int flr_timeout = 3 * MICRO; /* specs recommend a 3s wait */
 	struct xe_gt *gt = xe_root_mmio_gt(xe);
 	int ret;
 
-	if (xe_mmio_read32(gt, GU_CNTL_PROTECTED) & DRIVERINT_FLR_DIS) {
-		drm_info_once(&xe->drm, "BIOS Disabled Driver-FLR\n");
-		return;
-	}
-
 	drm_dbg(&xe->drm, "Triggering Driver-FLR\n");
 
 	/*
@@ -438,6 +438,16 @@ static void xe_driver_flr(struct xe_device *xe)
 	xe_mmio_write32(gt, GU_DEBUG, DRIVERFLR_STATUS);
 }
 
+static void xe_driver_flr(struct xe_device *xe)
+{
+	if (xe_driver_flr_disabled(xe)) {
+		drm_info_once(&xe->drm, "BIOS Disabled Driver-FLR\n");
+		return;
+	}
+
+	__xe_driver_flr(xe);
+}
+
 static void xe_driver_flr_fini(void *arg)
 {
 	struct xe_device *xe = arg;
@@ -797,6 +807,24 @@ void xe_device_remove(struct xe_device *xe)
 
 void xe_device_shutdown(struct xe_device *xe)
 {
+	struct xe_gt *gt;
+	u8 id;
+
+	drm_dbg(&xe->drm, "Shutting down device\n");
+
+	if (xe_driver_flr_disabled(xe)) {
+		xe_display_pm_shutdown(xe);
+
+		xe_irq_suspend(xe);
+
+		for_each_gt(gt, xe, id)
+			xe_gt_shutdown(gt);
+
+		xe_display_pm_shutdown_late(xe);
+	} else {
+		/* BOOM! */
+		__xe_driver_flr(xe);
+	}
 }
 
 /**
diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
index 3a7628fb5ad3..231ed53cf907 100644
--- a/drivers/gpu/drm/xe/xe_gt.c
+++ b/drivers/gpu/drm/xe/xe_gt.c
@@ -98,14 +98,14 @@ void xe_gt_sanitize(struct xe_gt *gt)
 
 static void xe_gt_enable_host_l2_vram(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	u32 reg;
-	int err;
 
 	if (!XE_WA(gt, 16023588340))
 		return;
 
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
-	if (WARN_ON(err))
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+	if (!fw_ref)
 		return;
 
 	if (!xe_gt_is_media_type(gt)) {
@@ -114,14 +114,14 @@ static void xe_gt_enable_host_l2_vram(struct xe_gt *gt)
 		xe_gt_mcr_multicast_write(gt, XE2_GAMREQSTRM_CTRL, reg);
 	}
 
-	xe_gt_mcr_multicast_write(gt, XEHPC_L3CLOS_MASK(3), 0x3);
-	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
+	xe_gt_mcr_multicast_write(gt, XEHPC_L3CLOS_MASK(3), 0xF);
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 }
 
 static void xe_gt_disable_host_l2_vram(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	u32 reg;
-	int err;
 
 	if (!XE_WA(gt, 16023588340))
 		return;
@@ -129,15 +129,15 @@ static void xe_gt_disable_host_l2_vram(struct xe_gt *gt)
 	if (xe_gt_is_media_type(gt))
 		return;
 
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
-	if (WARN_ON(err))
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+	if (!fw_ref)
 		return;
 
 	reg = xe_gt_mcr_unicast_read_any(gt, XE2_GAMREQSTRM_CTRL);
 	reg &= ~CG_DIS_CNTLBUS;
 	xe_gt_mcr_multicast_write(gt, XE2_GAMREQSTRM_CTRL, reg);
 
-	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 }
 
 /**
@@ -405,11 +405,14 @@ static void dump_pat_on_error(struct xe_gt *gt)
 
 static int gt_fw_domain_init(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	int err, i;
 
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
-	if (err)
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+	if (!fw_ref) {
+		err = -ETIMEDOUT;
 		goto err_hw_fence_irq;
+	}
 
 	if (!xe_gt_is_media_type(gt)) {
 		err = xe_ggtt_init(gt_to_tile(gt)->mem.ggtt);
@@ -444,14 +447,12 @@ static int gt_fw_domain_init(struct xe_gt *gt)
 	 */
 	gt->info.gmdid = xe_mmio_read32(gt, GMD_ID);
 
-	err = xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
-	XE_WARN_ON(err);
-
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	return 0;
 
 err_force_wake:
 	dump_pat_on_error(gt);
-	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 err_hw_fence_irq:
 	for (i = 0; i < XE_ENGINE_CLASS_MAX; ++i)
 		xe_hw_fence_irq_finish(&gt->fence_irq[i]);
@@ -461,11 +462,14 @@ err_hw_fence_irq:
 
 static int all_fw_domain_init(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	int err, i;
 
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-	if (err)
-		goto err_hw_fence_irq;
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
+	if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL)) {
+		err = -ETIMEDOUT;
+		goto err_force_wake;
+	}
 
 	xe_gt_mcr_set_implicit_defaults(gt);
 	xe_wa_process_gt(gt);
@@ -531,14 +535,12 @@ static int all_fw_domain_init(struct xe_gt *gt)
 	if (IS_SRIOV_PF(gt_to_xe(gt)))
 		xe_gt_sriov_pf_init_hw(gt);
 
-	err = xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-	XE_WARN_ON(err);
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 
 	return 0;
 
 err_force_wake:
-	xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-err_hw_fence_irq:
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	for (i = 0; i < XE_ENGINE_CLASS_MAX; ++i)
 		xe_hw_fence_irq_finish(&gt->fence_irq[i]);
 
@@ -551,11 +553,12 @@ err_hw_fence_irq:
  */
 int xe_gt_init_hwconfig(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	int err;
 
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
-	if (err)
-		goto out;
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+	if (!fw_ref)
+		return -ETIMEDOUT;
 
 	xe_gt_mcr_init_early(gt);
 	xe_pat_init(gt);
@@ -573,8 +576,7 @@ int xe_gt_init_hwconfig(struct xe_gt *gt)
 	xe_gt_enable_host_l2_vram(gt);
 
 out_fw:
-	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
-out:
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	return err;
 }
 
@@ -744,6 +746,7 @@ static int do_gt_restart(struct xe_gt *gt)
 
 static int gt_reset(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	int err;
 
 	if (xe_device_wedged(gt_to_xe(gt)))
@@ -764,9 +767,11 @@ static int gt_reset(struct xe_gt *gt)
 
 	xe_gt_sanitize(gt);
 
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-	if (err)
-		goto err_msg;
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
+	if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL)) {
+		err = -ETIMEDOUT;
+		goto err_out;
+	}
 
 	xe_uc_gucrc_disable(&gt->uc);
 	xe_uc_stop_prepare(&gt->uc);
@@ -784,8 +789,7 @@ static int gt_reset(struct xe_gt *gt)
 	if (err)
 		goto err_out;
 
-	err = xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-	XE_WARN_ON(err);
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	xe_pm_runtime_put(gt_to_xe(gt));
 
 	xe_gt_info(gt, "reset done\n");
@@ -793,8 +797,7 @@ static int gt_reset(struct xe_gt *gt)
 	return 0;
 
 err_out:
-	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL));
-err_msg:
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	XE_WARN_ON(xe_uc_start(&gt->uc));
 err_fail:
 	xe_gt_err(gt, "reset failed (%pe)\n", ERR_PTR(err));
@@ -826,22 +829,25 @@ void xe_gt_reset_async(struct xe_gt *gt)
 
 void xe_gt_suspend_prepare(struct xe_gt *gt)
 {
-	XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL));
+	unsigned int fw_ref;
+
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
 
 	xe_uc_suspend_prepare(&gt->uc);
 
-	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL));
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 }
 
 int xe_gt_suspend(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	int err;
 
 	xe_gt_dbg(gt, "suspending\n");
 	xe_gt_sanitize(gt);
 
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-	if (err)
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
+	if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL))
 		goto err_msg;
 
 	err = xe_uc_suspend(&gt->uc);
@@ -852,19 +858,29 @@ int xe_gt_suspend(struct xe_gt *gt)
 
 	xe_gt_disable_host_l2_vram(gt);
 
-	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL));
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	xe_gt_dbg(gt, "suspended\n");
 
 	return 0;
 
-err_force_wake:
-	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL));
 err_msg:
+	err = -ETIMEDOUT;
+err_force_wake:
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	xe_gt_err(gt, "suspend failed (%pe)\n", ERR_PTR(err));
 
 	return err;
 }
 
+void xe_gt_shutdown(struct xe_gt *gt)
+{
+	unsigned int fw_ref;
+
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
+	do_gt_reset(gt);
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
+}
+
 /**
  * xe_gt_sanitize_freq() - Restore saved frequencies if necessary.
  * @gt: the GT object
@@ -887,11 +903,12 @@ int xe_gt_sanitize_freq(struct xe_gt *gt)
 
 int xe_gt_resume(struct xe_gt *gt)
 {
+	unsigned int fw_ref;
 	int err;
 
 	xe_gt_dbg(gt, "resuming\n");
-	err = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-	if (err)
+	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
+	if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL))
 		goto err_msg;
 
 	err = do_gt_restart(gt);
@@ -900,14 +917,15 @@ int xe_gt_resume(struct xe_gt *gt)
 
 	xe_gt_idle_enable_pg(gt);
 
-	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL));
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	xe_gt_dbg(gt, "resumed\n");
 
 	return 0;
 
-err_force_wake:
-	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL));
 err_msg:
+	err = -ETIMEDOUT;
+err_force_wake:
+	xe_force_wake_put(gt_to_fw(gt), fw_ref);
 	xe_gt_err(gt, "resume failed (%pe)\n", ERR_PTR(err));
 
 	return err;
diff --git a/drivers/gpu/drm/xe/xe_gt.h b/drivers/gpu/drm/xe/xe_gt.h
index ee138e9768a2..881f1cbc2c49 100644
--- a/drivers/gpu/drm/xe/xe_gt.h
+++ b/drivers/gpu/drm/xe/xe_gt.h
@@ -48,6 +48,7 @@ void xe_gt_record_user_engines(struct xe_gt *gt);
 
 void xe_gt_suspend_prepare(struct xe_gt *gt);
 int xe_gt_suspend(struct xe_gt *gt);
+void xe_gt_shutdown(struct xe_gt *gt);
 int xe_gt_resume(struct xe_gt *gt);
 void xe_gt_reset_async(struct xe_gt *gt);
 void xe_gt_sanitize(struct xe_gt *gt);