Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR (net-6.13-rc8).

Conflicts:

drivers/net/ethernet/realtek/r8169_main.c
  1f691a1fc4be ("r8169: remove redundant hwmon support")
  152d00a91396 ("r8169: simplify setting hwmon attribute visibility")
https://lore.kernel.org/20250115122152.760b4e8d@canb.auug.org.au

Adjacent changes:

drivers/net/ethernet/broadcom/bnxt/bnxt.c
  152f4da05aee ("bnxt_en: add support for rx-copybreak ethtool command")
  f0aa6a37a3db ("eth: bnxt: always recalculate features after XDP clearing, fix null-deref")

drivers/net/ethernet/intel/ice/ice_type.h
  50327223a8bb ("ice: add lock to protect low latency interface")
  dc26548d729e ("ice: Fix quad registers read on E825")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 19 insertions, 6 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_crtc.c b/drivers/gpu/drm/mediatek/mtk_crtc.c
index eb0e1233ad04..5674f5707cca 100644
--- a/drivers/gpu/drm/mediatek/mtk_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_crtc.c
@@ -112,6 +112,11 @@ static void mtk_drm_finish_page_flip(struct mtk_crtc *mtk_crtc)
 
 	drm_crtc_handle_vblank(&mtk_crtc->base);
 
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+	if (mtk_crtc->cmdq_client.chan)
+		return;
+#endif
+
 	spin_lock_irqsave(&mtk_crtc->config_lock, flags);
 	if (!mtk_crtc->config_updating && mtk_crtc->pending_needs_vblank) {
 		mtk_crtc_finish_page_flip(mtk_crtc);
@@ -284,10 +289,8 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg)
 	state = to_mtk_crtc_state(mtk_crtc->base.state);
 
 	spin_lock_irqsave(&mtk_crtc->config_lock, flags);
-	if (mtk_crtc->config_updating) {
-		spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+	if (mtk_crtc->config_updating)
 		goto ddp_cmdq_cb_out;
-	}
 
 	state->pending_config = false;
 
@@ -315,10 +318,15 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg)
 		mtk_crtc->pending_async_planes = false;
 	}
 
-	spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
-
 ddp_cmdq_cb_out:
 
+	if (mtk_crtc->pending_needs_vblank) {
+		mtk_crtc_finish_page_flip(mtk_crtc);
+		mtk_crtc->pending_needs_vblank = false;
+	}
+
+	spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+
 	mtk_crtc->cmdq_vblank_cnt = 0;
 	wake_up(&mtk_crtc->cb_blocking_queue);
 }
@@ -606,13 +614,18 @@ static void mtk_crtc_update_config(struct mtk_crtc *mtk_crtc, bool needs_vblank)
 		 */
 		mtk_crtc->cmdq_vblank_cnt = 3;
 
+		spin_lock_irqsave(&mtk_crtc->config_lock, flags);
+		mtk_crtc->config_updating = false;
+		spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+
 		mbox_send_message(mtk_crtc->cmdq_client.chan, cmdq_handle);
 		mbox_client_txdone(mtk_crtc->cmdq_client.chan, 0);
 	}
-#endif
+#else
 	spin_lock_irqsave(&mtk_crtc->config_lock, flags);
 	mtk_crtc->config_updating = false;
 	spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+#endif
 
 	mutex_unlock(&mtk_crtc->hw_lock);
 }