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ebf5f92147
vlv_display_irq_postinstall() enables the LPE audio interrupts regardless of whether the LPE audio irq chip has masked/unmasked them. Also the irqchip masking/unmasking doesn't consider the state of the display power well or the device, and hence just leads to dmesg spew when it tries to access the hardware while it's powered down. If the current way works, then we don't need to do anything in the mask/unmask hooks. If it doesn't work, well, then we'd need to properly track whether the irqchip has masked/unmasked the interrupts when we enable display interrupts. And the mask/unmask hooks would need to check whether display interrupts are even enabled before frobbing with he registers. So let's just assume the current way works and neuter the mask/unmask hooks. Also clean up vlv_display_irq_postinstall() a bit and stop it from trying to unmask/enable the LPE C interrupt on VLV since it doesn't exist. Cc: Takashi Iwai <tiwai@suse.de> Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170427160231.13337-4-ville.syrjala@linux.intel.com Reviewed-by: Takashi Iwai <tiwai@suse.de> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.