From d5eef224d6f4d0d6dc834981f27d9eeba90543c0 Mon Sep 17 00:00:00 2001
From: Peter Jung <admin@ptr1337.dev>
Date: Fri, 31 Oct 2025 12:29:27 +0100
Subject: [PATCH 5/6] fixes

Signed-off-by: Peter Jung <admin@ptr1337.dev>
---
 .../drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c   |  3 ---
 drivers/gpu/drm/i915/display/intel_psr.c       | 12 ++++++++++--
 .../net/wireless/intel/iwlwifi/mvm/mac-ctxt.c  | 13 +++----------
 drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 12 +++++++++---
 kernel/events/core.c                           | 18 +++++++++++++-----
 scripts/package/PKGBUILD                       |  5 +++++
 6 files changed, 40 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c
index 09be2a90cc79..4f569cd8a5d6 100644
--- a/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c
@@ -578,9 +578,6 @@ static void dpp3_power_on_blnd_lut(
 			dpp_base->ctx->dc->optimized_required = true;
 			dpp_base->deferred_reg_writes.bits.disable_blnd_lut = true;
 		}
-	} else {
-		REG_SET(CM_MEM_PWR_CTRL, 0,
-				BLNDGAM_MEM_PWR_FORCE, power_on == true ? 0 : 1);
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 41988e193a41..d19e3e7a9451 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -3364,6 +3364,7 @@ static void _psr_flush_handle(struct intel_dp *intel_dp)
 	struct intel_display *display = to_intel_display(intel_dp);
 
 	if (DISPLAY_VER(display) < 20 && intel_dp->psr.psr2_sel_fetch_enabled) {
+		/* Selective fetch prior LNL */
 		if (intel_dp->psr.psr2_sel_fetch_cff_enabled) {
 			/* can we turn CFF off? */
 			if (intel_dp->psr.busy_frontbuffer_bits == 0)
@@ -3382,12 +3383,19 @@ static void _psr_flush_handle(struct intel_dp *intel_dp)
 		intel_psr_configure_full_frame_update(intel_dp);
 
 		intel_psr_force_update(intel_dp);
+	} else if (!intel_dp->psr.psr2_sel_fetch_enabled) {
+		/*
+		 * PSR1 on all platforms
+		 * PSR2 HW tracking
+		 * Panel Replay Full frame update
+		 */
+		intel_psr_force_update(intel_dp);
 	} else {
+		/* Selective update LNL onwards */
 		intel_psr_exit(intel_dp);
 	}
 
-	if ((!intel_dp->psr.psr2_sel_fetch_enabled || DISPLAY_VER(display) >= 20) &&
-	    !intel_dp->psr.busy_frontbuffer_bits)
+	if (!intel_dp->psr.active && !intel_dp->psr.busy_frontbuffer_bits)
 		queue_work(display->wq.unordered, &intel_dp->psr.work);
 }
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index 8805ab344895..0065c2ead56b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -938,19 +938,12 @@ u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct iwl_mvm *mvm,
 
 u16 iwl_mvm_mac_ctxt_get_beacon_flags(const struct iwl_fw *fw, u8 rate_idx)
 {
+	u16 flags = iwl_mvm_mac80211_idx_to_hwrate(fw, rate_idx);
 	bool is_new_rate = iwl_fw_lookup_cmd_ver(fw, BEACON_TEMPLATE_CMD, 0) > 10;
-	u16 flags, cck_flag;
-
-	if (is_new_rate) {
-		flags = iwl_mvm_mac80211_idx_to_hwrate(fw, rate_idx);
-		cck_flag = IWL_MAC_BEACON_CCK;
-	} else {
-		cck_flag = IWL_MAC_BEACON_CCK_V1;
-		flags = iwl_fw_rate_idx_to_plcp(rate_idx);
-	}
 
 	if (rate_idx <= IWL_LAST_CCK_RATE)
-		flags |= cck_flag;
+		flags |= is_new_rate ? IWL_MAC_BEACON_CCK
+			  : IWL_MAC_BEACON_CCK_V1;
 
 	return flags;
 }
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 62da0132f383..a62f5288dfd0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -169,9 +169,15 @@ int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 
 u8 iwl_mvm_mac80211_idx_to_hwrate(const struct iwl_fw *fw, int rate_idx)
 {
-	return (rate_idx >= IWL_FIRST_OFDM_RATE ?
-		rate_idx - IWL_FIRST_OFDM_RATE :
-		rate_idx);
+	if (iwl_fw_lookup_cmd_ver(fw, TX_CMD, 0) > 8)
+		/* In the new rate legacy rates are indexed:
+		 * 0 - 3 for CCK and 0 - 7 for OFDM.
+		 */
+		return (rate_idx >= IWL_FIRST_OFDM_RATE ?
+			rate_idx - IWL_FIRST_OFDM_RATE :
+			rate_idx);
+
+	return iwl_fw_rate_idx_to_plcp(rate_idx);
 }
 
 u8 iwl_mvm_mac80211_ac_to_ucode_ac(enum ieee80211_ac_numbers ac)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6e9427c4aaff..5827685dc5d2 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -11756,7 +11756,8 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
 
 	event = container_of(hrtimer, struct perf_event, hw.hrtimer);
 
-	if (event->state != PERF_EVENT_STATE_ACTIVE)
+	if (event->state != PERF_EVENT_STATE_ACTIVE ||
+	    event->hw.state & PERF_HES_STOPPED)
 		return HRTIMER_NORESTART;
 
 	event->pmu->read(event);
@@ -11802,15 +11803,18 @@ static void perf_swevent_cancel_hrtimer(struct perf_event *event)
 	struct hw_perf_event *hwc = &event->hw;
 
 	/*
-	 * The throttle can be triggered in the hrtimer handler.
-	 * The HRTIMER_NORESTART should be used to stop the timer,
-	 * rather than hrtimer_cancel(). See perf_swevent_hrtimer()
+	 * The event stop can be triggered in the hrtimer handler.
+	 * So use hrtimer_try_to_cancel() instead of hrtimer_cancel()
+	 * to stop the hrtimer() to avoid trapping into a dead loop.
+	 * Simultaneously the event would be set PERF_HES_STOPPED flag,
+	 * perf_swevent_hrtimer() would stop the event hrtimer once it
+	 * detects the PERF_HES_STOPPED flag.
 	 */
 	if (is_sampling_event(event) && (hwc->interrupts != MAX_INTERRUPTS)) {
 		ktime_t remaining = hrtimer_get_remaining(&hwc->hrtimer);
 		local64_set(&hwc->period_left, ktime_to_ns(remaining));
 
-		hrtimer_cancel(&hwc->hrtimer);
+		hrtimer_try_to_cancel(&hwc->hrtimer);
 	}
 }
 
@@ -11854,12 +11858,14 @@ static void cpu_clock_event_update(struct perf_event *event)
 
 static void cpu_clock_event_start(struct perf_event *event, int flags)
 {
+	event->hw.state = 0;
 	local64_set(&event->hw.prev_count, local_clock());
 	perf_swevent_start_hrtimer(event);
 }
 
 static void cpu_clock_event_stop(struct perf_event *event, int flags)
 {
+	event->hw.state = PERF_HES_STOPPED;
 	perf_swevent_cancel_hrtimer(event);
 	if (flags & PERF_EF_UPDATE)
 		cpu_clock_event_update(event);
@@ -11933,12 +11939,14 @@ static void task_clock_event_update(struct perf_event *event, u64 now)
 
 static void task_clock_event_start(struct perf_event *event, int flags)
 {
+	event->hw.state = 0;
 	local64_set(&event->hw.prev_count, event->ctx->time);
 	perf_swevent_start_hrtimer(event);
 }
 
 static void task_clock_event_stop(struct perf_event *event, int flags)
 {
+	event->hw.state = PERF_HES_STOPPED;
 	perf_swevent_cancel_hrtimer(event);
 	if (flags & PERF_EF_UPDATE)
 		task_clock_event_update(event, event->ctx->time);
diff --git a/scripts/package/PKGBUILD b/scripts/package/PKGBUILD
index 452374d63c24..08f80d7c5df0 100644
--- a/scripts/package/PKGBUILD
+++ b/scripts/package/PKGBUILD
@@ -90,6 +90,11 @@ _package-headers() {
 		"${srctree}/scripts/package/install-extmod-build" "${builddir}"
 	fi
 
+	# required when DEBUG_INFO_BTF_MODULES is enabled
+	if [ -f tools/bpf/resolve_btfids/resolve_btfids ]; then
+		install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
+	fi
+
 	echo "Installing System.map and config..."
 	mkdir -p "${builddir}"
 	cp System.map "${builddir}/System.map"
-- 
2.51.2

