ALSA: hda: Intel: Move snd_hdac_i915_init to before probe_work.
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Mon, 9 Oct 2023 11:54:34 +0000 (13:54 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 19 Oct 2023 12:55:54 +0000 (14:55 +0200)
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@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20231009115437.99976-11-maarten.lankhorst@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_intel.c

index e1e832afb4a30313e5d466e321af36c25d3d4312..c729ce192a7d2a83ac97c682ddb044352aa22d42 100644 (file)
@@ -2135,6 +2135,36 @@ 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)) {
+                               dev_err_probe(card->dev, err,
+                                            "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
+
+                               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 +2192,6 @@ 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);
 
@@ -2264,30 +2289,6 @@ 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)) {
-                               dev_err(chip->card->dev,
-                                       "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
-                               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