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Takashi Iwai 74b0c2d75f drm/i915, HD-audio: Don't continue probing when nomodeset is given 
When a machine is booted with nomodeset option, i915 driver skips the
whole initialization.  Meanwhile, HD-audio tries to bind wth i915 just
by request_symbol() without knowing that the initialization was
skipped, and eventually it hits WARN_ON() in i915_request_power_well()
and i915_release_power_well() wrongly but still continues probing,
even though it doesn't work at all.

In this patch, both functions are changed to return an error in case
of uninitialized state instead of WARN_ON(), so that HD-audio driver
can give up HDMI controller initialization at the right time.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org> [3.15]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 		2014-06-16 10:34:06 +02:00
..
bridge drm/bridge/ptn3460: fix modular build 2014-03-24 09:21:15 +10:00
i2c drm/i2c: tda998x: add video and audio input configuration 2013-08-19 09:10:32 +10:00
ttm drm/ttm: fix kerneldoc of ttm_bo_create 2014-05-26 12:54:09 +10:00
drmP.h drm: Remove DRM_ARRAY_SIZE() for ARRAY_SIZE() 2014-06-10 09:36:17 +10:00
drm_agpsupport.h drm: rip out DRM_AGP_MEM and DRM_AGP_KERN 2013-12-18 11:32:55 +10:00
drm_buffer.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
drm_cache.h drm/ttm: consolidate cache flushing code in one place. 2009-08-27 09:53:47 +10:00
drm_core.h drm: Fix support for PCI domains 2010-08-10 08:20:20 +10:00
drm_crtc.h drm/edid: Store all supported hdmi deep color modes in drm_display_info 2014-06-09 22:06:49 -04:00
drm_crtc_helper.h Merge tag 'topic/core-stuff-2014-05-05' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-05-16 11:47:13 +10:00
drm_dp_helper.h drm/dp: add a hw mutex around the transfer functions. (v2) 2014-06-05 09:54:29 +10:00
drm_edid.h drm/edid: Parse and handle HDMI deep color modes. 2014-06-02 18:37:34 -04:00
drm_encoder_slave.h drm: i2c encoder helper wrappers 2013-02-17 17:55:42 -05:00
drm_fb_cma_helper.h drm: Make drm_fb_cma_describe() static 2013-08-21 12:47:41 +10:00
drm_fb_helper.h drm: add drm_fb_helper_restore_fbdev_mode_unlocked() 2014-06-05 10:02:40 +10:00
drm_fixed.h drm: fix 64 bit drm fixed point helpers 2013-07-30 17:24:13 -04:00
drm_flip_work.h drm: Fixup flip-work kerneldoc 2014-04-29 12:33:35 +02:00
drm_gem_cma_helper.h drm/cma: include <drm/drmP.h> as needed 2014-04-04 10:07:57 +10:00
drm_global.h drm: move ttm global code to core drm 2010-08-04 09:46:06 +10:00
drm_hashtab.h drm: Add a hash-tab rcu-safe API 2012-11-28 18:36:05 +10:00
drm_mem_util.h introduce SIZE_MAX 2012-05-31 17:49:26 -07:00
drm_memory.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
drm_mipi_dsi.h drm/dsi: Support device shutdown 2014-06-05 16:42:19 +02:00
drm_mm.h drm: Add support for two-ended allocation, v3 2014-04-04 09:28:14 +10:00
drm_modes.h drm: try harder to avoid regression when merging mode bits 2014-05-01 09:26:53 +10:00
drm_modeset_lock.h drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
drm_os_linux.h drm: Kill DRM_SUSER 2013-12-18 11:35:45 +10:00
drm_panel.h drm: Add panel support 2013-12-17 18:09:46 +01:00
drm_pciids.h drm/radeon: add pci ids for Mullins 2014-05-06 12:20:06 +02:00
drm_plane_helper.h drm/plane-helper: Add drm_plane_helper_check_update() (v3) 2014-06-05 08:52:43 +02:00
drm_rect.h drm: Fix drm_rect documentation 2013-05-23 12:51:32 +02:00
drm_sysfs.h drm: Enable drm drivers to add drm sysfs devices. 2009-08-19 16:08:51 +10:00
drm_usb.h drm: add usb framework 2011-02-07 13:09:42 +10:00
drm_vma_manager.h drm: init TTM dev_mapping in ttm_bo_device_init() 2014-03-16 12:23:42 +01:00
exynos_drm.h drm/exynos: fimd: replace struct fb_videomode with videomode 2013-09-05 13:43:44 +09:00
gma_drm.h drm/gma500: Remove unused ioctls 2014-03-17 20:11:57 +01:00
i915_drm.h x86/gpu: Add Intel graphics stolen memory quirk for gen2 platforms 2014-02-09 15:11:30 +01:00
i915_pciids.h Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
i915_powerwell.h drm/i915, HD-audio: Don't continue probing when nomodeset is given 2014-06-16 10:34:06 +02:00
intel-gtt.h drm/i915: Fix gen2 mappable calculations 2013-02-15 10:30:38 +01:00