Merge tag 'drm-intel-next-2013-06-18' of git://people.freedesktop.org/~danvet/drm-intel into drm-next

Last 3.11 feature pull. I have a few odds bits and pieces and fixes in my
queue, I'll sort them out later on to see what's for 3.11-fixes and what's
for 3.12. But nothing to hold this here up imo.

Highlights:
- more hangcheck work from Mika and Chris to prepare for arb robustness
- trickle feed fixes from Ville
- first parts of the shared pch pll rework, with some basic hw state
  readout and cross-checking (this shuts up the confused pch pll refcount
  WARN that Linus just recently forwarded)
- Haswell audio power well support from Wang Xingchao (alsa bits acked by
  Takashi)
- some cleanups and asserts sprinkling around the plane/gamma enabling
  sequence from Ville
- more gtt refactoring from Ben
- clear up the adjusted->mode vs. pixel clock vs. port clock confusion
- 30bpp support, this time for real hopefully

* tag 'drm-intel-next-2013-06-18' of git://people.freedesktop.org/~danvet/drm-intel: (97 commits)
  drm/i915: remove a superflous semi-colon
  drm/i915: Kill useless "Enable panel fitter" comments
  drm/i915: Remove extra "ring" from error message
  drm/i915: simplify the reduced clock handling for pch plls
  drm/i915: stop killing pfit on i9xx
  drm/i915: explicitly set up PIPECONF (and gamma table) on haswell
  drm/i915: set up PIPECONF explicitly for i9xx/vlv platforms
  drm/i915: set up PIPECONF explicitly on ilk-ivb
  drm/i915: find guilty batch buffer on ring resets
  drm/i915: store ring hangcheck action
  drm/i915: add batch bo to i915_add_request()
  drm/i915: change i915_add_request to macro
  drm/i915: add i915_gem_context_get_hang_stats()
  drm/i915: add struct i915_ctx_hang_stats
  drm/i915: Try harder to disable trickle feed on VLV
  drm/i915: fix up pch pll enabling for pixel multipliers
  drm/i915: hw state readout and cross-checking for shared dplls
  drm/i915: WARN on lack of shared dpll
  drm/i915: split up intel_modeset_check_state
  drm/i915: extract readout_hw_state from setup_hw_state
  ...

Conflicts:
	drivers/gpu/drm/i915/intel_display.c
	drivers/gpu/drm/i915/intel_fb.c
	drivers/gpu/drm/i915/intel_sdvo.c

1 files changed, 70 insertions, 17 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index de18722c4873..35e9f8b010a7 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -62,6 +62,7 @@
 #include <linux/vga_switcheroo.h>
 #include <linux/firmware.h>
 #include "hda_codec.h"
+#include "hda_i915.h"
 
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
@@ -541,6 +542,10 @@ struct azx {
 	/* for pending irqs */
 	struct work_struct irq_pending_work;
 
+#ifdef CONFIG_SND_HDA_I915
+	struct work_struct probe_work;
+#endif
+
 	/* reboot notifier (for mysterious hangup problem at power-down) */
 	struct notifier_block reboot_notifier;
 
@@ -594,6 +599,7 @@ enum {
 #define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23)	/* BDLE in 4k boundary */
 #define AZX_DCAPS_COUNT_LPIB_DELAY  (1 << 25)	/* Take LPIB as delay */
 #define AZX_DCAPS_PM_RUNTIME	(1 << 26)	/* runtime PM support */
+#define AZX_DCAPS_I915_POWERWELL (1 << 27)	/* HSW i915 power well support */
 
 /* quirks for Intel PCH */
 #define AZX_DCAPS_INTEL_PCH_NOPM \
@@ -2900,6 +2906,8 @@ static int azx_suspend(struct device *dev)
 	pci_disable_device(pci);
 	pci_save_state(pci);
 	pci_set_power_state(pci, PCI_D3hot);
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
+		hda_display_power(false);
 	return 0;
 }
 
@@ -2912,6 +2920,8 @@ static int azx_resume(struct device *dev)
 	if (chip->disabled)
 		return 0;
 
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
+		hda_display_power(true);
 	pci_set_power_state(pci, PCI_D0);
 	pci_restore_state(pci);
 	if (pci_enable_device(pci) < 0) {
@@ -2944,6 +2954,8 @@ static int azx_runtime_suspend(struct device *dev)
 
 	azx_stop_chip(chip);
 	azx_clear_irq_pending(chip);
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
+		hda_display_power(false);
 	return 0;
 }
 
@@ -2952,6 +2964,8 @@ static int azx_runtime_resume(struct device *dev)
 	struct snd_card *card = dev_get_drvdata(dev);
 	struct azx *chip = card->private_data;
 
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
+		hda_display_power(true);
 	azx_init_pci(chip);
 	azx_init_chip(chip, 1);
 	return 0;
@@ -3006,7 +3020,6 @@ static void azx_notifier_unregister(struct azx *chip)
 		unregister_reboot_notifier(&chip->reboot_notifier);
 }
 
-static int azx_first_init(struct azx *chip);
 static int azx_probe_continue(struct azx *chip);
 
 #ifdef SUPPORT_VGA_SWITCHEROO
@@ -3033,8 +3046,7 @@ static void azx_vs_set_state(struct pci_dev *pci,
 			snd_printk(KERN_INFO SFX
 				   "%s: Start delayed initialization\n",
 				   pci_name(chip->pci));
-			if (azx_first_init(chip) < 0 ||
-			    azx_probe_continue(chip) < 0) {
+			if (azx_probe_continue(chip) < 0) {
 				snd_printk(KERN_ERR SFX
 					   "%s: initialization error\n",
 					   pci_name(chip->pci));
@@ -3120,8 +3132,13 @@ static int register_vga_switcheroo(struct azx *chip)
  */
 static int azx_free(struct azx *chip)
 {
+	struct pci_dev *pci = chip->pci;
 	int i;
 
+	if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME)
+			&& chip->running)
+		pm_runtime_get_noresume(&pci->dev);
+
 	azx_del_card_list(chip);
 
 	azx_notifier_unregister(chip);
@@ -3173,6 +3190,10 @@ static int azx_free(struct azx *chip)
 	if (chip->fw)
 		release_firmware(chip->fw);
 #endif
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
+		hda_display_power(false);
+		hda_i915_exit();
+	}
 	kfree(chip);
 
 	return 0;
@@ -3398,6 +3419,13 @@ static void azx_check_snoop_available(struct azx *chip)
 	}
 }
 
+#ifdef CONFIG_SND_HDA_I915
+static void azx_probe_work(struct work_struct *work)
+{
+	azx_probe_continue(container_of(work, struct azx, probe_work));
+}
+#endif
+
 /*
  * constructor
  */
@@ -3473,7 +3501,13 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
 		return err;
 	}
 
+#ifdef CONFIG_SND_HDA_I915
+	/* continue probing in work context as may trigger request module */
+	INIT_WORK(&chip->probe_work, azx_probe_work);
+#endif
+
 	*rchip = chip;
+
 	return 0;
 }
 
@@ -3730,11 +3764,6 @@ static int azx_probe(struct pci_dev *pci,
 	}
 
 	probe_now = !chip->disabled;
-	if (probe_now) {
-		err = azx_first_init(chip);
-		if (err < 0)
-			goto out_free;
-	}
 
 #ifdef CONFIG_SND_HDA_PATCH_LOADER
 	if (patch[dev] && *patch[dev]) {
@@ -3749,15 +3778,22 @@ static int azx_probe(struct pci_dev *pci,
 	}
 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
 
+	/* continue probing in work context, avoid request_module deadlock */
+	if (probe_now && (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)) {
+#ifdef CONFIG_SND_HDA_I915
+		probe_now = false;
+		schedule_work(&chip->probe_work);
+#else
+		snd_printk(KERN_ERR SFX "Haswell must build in CONFIG_SND_HDA_I915\n");
+#endif
+	}
+
 	if (probe_now) {
 		err = azx_probe_continue(chip);
 		if (err < 0)
 			goto out_free;
 	}
 
-	if (pci_dev_run_wake(pci))
-		pm_runtime_put_noidle(&pci->dev);
-
 	dev++;
 	complete_all(&chip->probe_wait);
 	return 0;
@@ -3770,9 +3806,24 @@ out_free:
 
 static int azx_probe_continue(struct azx *chip)
 {
+	struct pci_dev *pci = chip->pci;
 	int dev = chip->dev_index;
 	int err;
 
+	/* Request power well for Haswell HDA controller and codec */
+	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
+		err = hda_i915_init();
+		if (err < 0) {
+			snd_printk(KERN_ERR SFX "Error request power-well from i915\n");
+			goto out_free;
+		}
+		hda_display_power(true);
+	}
+
+	err = azx_first_init(chip);
+	if (err < 0)
+		goto out_free;
+
 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 	chip->beep_mode = beep_mode[dev];
 #endif
@@ -3817,6 +3868,8 @@ static int azx_probe_continue(struct azx *chip)
 	power_down_all_codecs(chip);
 	azx_notifier_register(chip);
 	azx_add_card_list(chip);
+	if (chip->driver_caps & AZX_DCAPS_PM_RUNTIME)
+		pm_runtime_put_noidle(&pci->dev);
 
 	return 0;
 
@@ -3829,9 +3882,6 @@ static void azx_remove(struct pci_dev *pci)
 {
 	struct snd_card *card = pci_get_drvdata(pci);
 
-	if (pci_dev_run_wake(pci))
-		pm_runtime_get_noresume(&pci->dev);
-
 	if (card)
 		snd_card_free(card);
 	pci_set_drvdata(pci, NULL);
@@ -3864,11 +3914,14 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
 	/* Haswell */
 	{ PCI_DEVICE(0x8086, 0x0a0c),
-	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
+	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH |
+	  AZX_DCAPS_I915_POWERWELL },
 	{ PCI_DEVICE(0x8086, 0x0c0c),
-	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
+	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH |
+	  AZX_DCAPS_I915_POWERWELL },
 	{ PCI_DEVICE(0x8086, 0x0d0c),
-	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
+	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH |
+	  AZX_DCAPS_I915_POWERWELL },
 	/* 5 Series/3400 */
 	{ PCI_DEVICE(0x8086, 0x3b56),
 	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },