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| author | jc_gargma <jc_gargma@iserlohn-fortress.net> | 2020-02-04 14:47:21 -0800 |
|---|---|---|
| committer | jc_gargma <jc_gargma@iserlohn-fortress.net> | 2020-02-04 14:47:21 -0800 |
| commit | 1e9eaef29e62a924a13edfaa6f81fd8e2db191e5 (patch) | |
| tree | 1ad77cbd6f79596189f78dd9b958e15ff80ab299 /0008-drm-i915-Fix-audio-power-up-sequence-for-gen10-displ.patch | |
| parent | Updated to 5.4.16 (diff) | |
| download | linux-ck-1e9eaef29e62a924a13edfaa6f81fd8e2db191e5.tar.xz | |
Updated to 5.5.2
Diffstat (limited to '0008-drm-i915-Fix-audio-power-up-sequence-for-gen10-displ.patch')
| -rw-r--r-- | 0008-drm-i915-Fix-audio-power-up-sequence-for-gen10-displ.patch | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/0008-drm-i915-Fix-audio-power-up-sequence-for-gen10-displ.patch b/0008-drm-i915-Fix-audio-power-up-sequence-for-gen10-displ.patch deleted file mode 100644 index aa403bc..0000000 --- a/0008-drm-i915-Fix-audio-power-up-sequence-for-gen10-displ.patch +++ /dev/null @@ -1,57 +0,0 @@ -From e4bcd75c297598b87b89533c2c995f7d88c12010 Mon Sep 17 00:00:00 2001 -From: Kai Vehmanen <kai.vehmanen@linux.intel.com> -Date: Thu, 3 Oct 2019 11:55:30 +0300 -Subject: [PATCH 08/16] drm/i915: Fix audio power up sequence for gen10+ - display - -On platfroms with gen10+ display, driver must set the enable bit of -AUDIO_PIN_BUF_CTL register before transactions with the HDA controller -can proceed. Add setting this bit to the audio power up sequence. - -Failing to do this resulted in errors during display audio codec probe, -and failures during resume from suspend. - -Note: We may also need to disable the bit afterwards, but there are -still unresolved issues with that. - -Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111214 -Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> -Signed-off-by: Jani Nikula <jani.nikula@intel.com> -Link: https://patchwork.freedesktop.org/patch/msgid/20191003085531.30990-1-kai.vehmanen@linux.intel.com ---- - drivers/gpu/drm/i915/display/intel_audio.c | 5 +++++ - drivers/gpu/drm/i915/i915_reg.h | 2 ++ - 2 files changed, 7 insertions(+) - -diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c -index 439bc0a93410..440b33762fef 100644 ---- a/drivers/gpu/drm/i915/display/intel_audio.c -+++ b/drivers/gpu/drm/i915/display/intel_audio.c -@@ -860,6 +860,11 @@ static unsigned long i915_audio_component_get_power(struct device *kdev) - /* Force CDCLK to 2*BCLK as long as we need audio powered. */ - if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) - glk_force_audio_cdclk(dev_priv, true); -+ -+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) -+ I915_WRITE(AUD_PIN_BUF_CTL, -+ (I915_READ(AUD_PIN_BUF_CTL) | -+ AUD_PIN_BUF_ENABLE)); - } - - return ret; -diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h -index a99ef18665f2..1dd7b6187780 100644 ---- a/drivers/gpu/drm/i915/i915_reg.h -+++ b/drivers/gpu/drm/i915/i915_reg.h -@@ -9111,6 +9111,8 @@ enum { - #define SKL_AUD_CODEC_WAKE_SIGNAL (1 << 15) - - #define AUD_FREQ_CNTRL _MMIO(0x65900) -+#define AUD_PIN_BUF_CTL _MMIO(0x48414) -+#define AUD_PIN_BUF_ENABLE REG_BIT(31) - - /* - * HSW - ICL power wells --- -2.25.0 - |