[Intel-xe] [PATCH 12/15] ALSA: hda: Intel: Move snd_hdac_i915_init to before probe_work.

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Mon Oct 23 11:17:26 UTC 2023


Now that we can use -EPROBE_DEFER, it's no longer required to spin off
the snd_hdac_i915_init into a workqueue.

Use the -EPROBE_DEFER mechanism instead, which must be returned in the
probe function.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen at linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Link: https://lore.kernel.org/r/20231009115437.99976-11-maarten.lankhorst@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai at suse.de>
(cherry picked from commit 65cbbfa4e2ca81a1888e3ee82c9b5ae01356e11d)
---
 sound/pci/hda/hda_intel.c | 54 +++++++++++++++++++--------------------
 1 file changed, 27 insertions(+), 27 deletions(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index e42ad0e816e19..9dad3607596ab 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2135,6 +2135,33 @@ static int azx_probe(struct pci_dev *pci,
 
 	pci_set_drvdata(pci, card);
 
+#ifdef CONFIG_SND_HDA_I915
+	/* bind with i915 if needed */
+	if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) {
+		err = snd_hdac_i915_init(azx_bus(chip), false);
+		if (err < 0) {
+			/* if the controller is bound only with HDMI/DP
+			 * (for HSW and BDW), we need to abort the probe;
+			 * for other chips, still continue probing as other
+			 * codecs can be on the same link.
+			 */
+			if (HDA_CONTROLLER_IN_GPU(pci)) {
+				goto out_free;
+			} else {
+				/* don't bother any longer */
+				chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT;
+			}
+		}
+
+		/* HSW/BDW controllers need this power */
+		if (HDA_CONTROLLER_IN_GPU(pci))
+			hda->need_i915_power = true;
+	}
+#else
+	if (HDA_CONTROLLER_IN_GPU(pci))
+		dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
+#endif
+
 	err = register_vga_switcheroo(chip);
 	if (err < 0) {
 		dev_err(card->dev, "Error registering vga_switcheroo client\n");
@@ -2162,11 +2189,6 @@ static int azx_probe(struct pci_dev *pci,
 	}
 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
 
-#ifndef CONFIG_SND_HDA_I915
-	if (HDA_CONTROLLER_IN_GPU(pci))
-		dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
-#endif
-
 	if (schedule_probe)
 		schedule_delayed_work(&hda->probe_work, 0);
 
@@ -2264,28 +2286,6 @@ static int azx_probe_continue(struct azx *chip)
 	to_hda_bus(bus)->bus_probing = 1;
 	hda->probe_continued = 1;
 
-	/* bind with i915 if needed */
-	if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) {
-		err = snd_hdac_i915_init(bus, true);
-		if (err < 0) {
-			/* if the controller is bound only with HDMI/DP
-			 * (for HSW and BDW), we need to abort the probe;
-			 * for other chips, still continue probing as other
-			 * codecs can be on the same link.
-			 */
-			if (HDA_CONTROLLER_IN_GPU(pci)) {
-				goto out_free;
-			} else {
-				/* don't bother any longer */
-				chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT;
-			}
-		}
-
-		/* HSW/BDW controllers need this power */
-		if (HDA_CONTROLLER_IN_GPU(pci))
-			hda->need_i915_power = true;
-	}
-
 	/* Request display power well for the HDA controller or codec. For
 	 * Haswell/Broadwell, both the display HDA controller and codec need
 	 * this power. For other platforms, like Baytrail/Braswell, only the
-- 
2.39.2



More information about the Intel-xe mailing list