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authorjc_gargma <jc_gargma@iserlohn-fortress.net>2020-01-17 21:59:34 -0800
committerjc_gargma <jc_gargma@iserlohn-fortress.net>2020-01-17 21:59:34 -0800
commit20f6603753d7abab673b0cfb092569dc837f156d (patch)
tree0ee60bc288b80888a3bced153b936c7f39dfcaa9 /0008-drm-i915-save-AUD_FREQ_CNTRL-state-at-audio-domain-suspend.patch
parentUpdated to 5.4.12 (diff)
downloadlinux-ck-20f6603753d7abab673b0cfb092569dc837f156d.tar.xz
Updated to 5.4.13
Diffstat (limited to '0008-drm-i915-save-AUD_FREQ_CNTRL-state-at-audio-domain-suspend.patch')
-rw-r--r--0008-drm-i915-save-AUD_FREQ_CNTRL-state-at-audio-domain-suspend.patch86
1 files changed, 0 insertions, 86 deletions
diff --git a/0008-drm-i915-save-AUD_FREQ_CNTRL-state-at-audio-domain-suspend.patch b/0008-drm-i915-save-AUD_FREQ_CNTRL-state-at-audio-domain-suspend.patch
deleted file mode 100644
index 6ea75b6..0000000
--- a/0008-drm-i915-save-AUD_FREQ_CNTRL-state-at-audio-domain-suspend.patch
+++ /dev/null
@@ -1,86 +0,0 @@
-From c0da4d4ee458208d5427d0a284173bd39a95d040 Mon Sep 17 00:00:00 2001
-From: Kai Vehmanen <kai.vehmanen@linux.intel.com>
-Date: Fri, 20 Sep 2019 11:39:18 +0300
-Subject: drm/i915: save AUD_FREQ_CNTRL state at audio domain suspend
-
-When audio power domain is suspended, the display driver must
-save state of AUD_FREQ_CNTRL on Tiger Lake and Ice Lake
-systems. The initial value of the register is set by BIOS and
-is read by driver during the audio component init sequence.
-
-Cc: Jani Nikula <jani.nikula@intel.com>
-Cc: Imre Deak <imre.deak@intel.com>
-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/20190920083918.27057-1-kai.vehmanen@linux.intel.com
----
- drivers/gpu/drm/i915/display/intel_audio.c | 17 +++++++++++++++--
- drivers/gpu/drm/i915/i915_drv.h | 1 +
- drivers/gpu/drm/i915/i915_reg.h | 2 ++
- 3 files changed, 18 insertions(+), 2 deletions(-)
-
-diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
-index ddcccf4408c3..439bc0a93410 100644
---- a/drivers/gpu/drm/i915/display/intel_audio.c
-+++ b/drivers/gpu/drm/i915/display/intel_audio.c
-@@ -850,10 +850,17 @@ static unsigned long i915_audio_component_get_power(struct device *kdev)
-
- ret = intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
-
-- /* Force CDCLK to 2*BCLK as long as we need audio to be powered. */
-- if (dev_priv->audio_power_refcount++ == 0)
-+ if (dev_priv->audio_power_refcount++ == 0) {
-+ if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
-+ I915_WRITE(AUD_FREQ_CNTRL, dev_priv->audio_freq_cntrl);
-+ DRM_DEBUG_KMS("restored AUD_FREQ_CNTRL to 0x%x\n",
-+ dev_priv->audio_freq_cntrl);
-+ }
-+
-+ /* 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);
-+ }
-
- return ret;
- }
-@@ -1114,6 +1121,12 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv)
- return;
- }
-
-+ if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
-+ dev_priv->audio_freq_cntrl = I915_READ(AUD_FREQ_CNTRL);
-+ DRM_DEBUG_KMS("init value of AUD_FREQ_CNTRL of 0x%x\n",
-+ dev_priv->audio_freq_cntrl);
-+ }
-+
- dev_priv->audio_component_registered = true;
- }
-
-diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
-index 89b6112bd66b..043ce1b47aeb 100644
---- a/drivers/gpu/drm/i915/i915_drv.h
-+++ b/drivers/gpu/drm/i915/i915_drv.h
-@@ -1530,6 +1530,7 @@ struct drm_i915_private {
- */
- struct mutex av_mutex;
- int audio_power_refcount;
-+ u32 audio_freq_cntrl;
-
- struct {
- struct mutex mutex;
-diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
-index f8ee9aba3955..e1fe356463ec 100644
---- a/drivers/gpu/drm/i915/i915_reg.h
-+++ b/drivers/gpu/drm/i915/i915_reg.h
-@@ -9104,6 +9104,8 @@ enum {
- #define HSW_AUD_CHICKENBIT _MMIO(0x65f10)
- #define SKL_AUD_CODEC_WAKE_SIGNAL (1 << 15)
-
-+#define AUD_FREQ_CNTRL _MMIO(0x65900)
-+
- /*
- * HSW - ICL power wells
- *
---
-cgit v1.2.1-1-g437b
-