[SRU,OEM-B-OSP1,v2,2/2] UBUNTU: SAUCE: drm/i915: extend audio CDCLK>=2*BCLK constraint to more platforms
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Message ID 20191009080838.5246-3-hui.wang@canonical.com
State New
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Series
  • drm/i915: Fix the issue of "azx_get_response timeout" for hdmi audio on ICL platforms
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Commit Message

Hui Wang Oct. 9, 2019, 8:08 a.m. UTC
From: Kai Vehmanen <kai.vehmanen@linux.intel.com>

BugLink: https://bugs.launchpad.net/bugs/1847192

The CDCLK>=2*BCLK constraint applies to all generations since gen10.
Extend the constraint logic in audio get/put_power().

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/20191003085531.30990-2-kai.vehmanen@linux.intel.com
(backported from commit f6ec9483091f8e67adab0311a4e2f90aab523310
git://anongit.freedesktop.org/drm-intel)
Signed-off-by: Hui Wang <hui.wang@canonical.com>
---
 drivers/gpu/drm/i915/intel_audio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 1661a8606017..57346bf1342e 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -794,7 +794,7 @@  static void i915_audio_component_get_power(struct device *kdev)
 
 	/* Force CDCLK to 2*BCLK as long as we need audio to be powered. */
 	if (dev_priv->audio_power_refcount++ == 0) {
-		if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
+		if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
 			glk_force_audio_cdclk(dev_priv, true);
 
 		if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
@@ -810,7 +810,7 @@  static void i915_audio_component_put_power(struct device *kdev)
 
 	/* Stop forcing CDCLK to 2*BCLK if no need for audio to be powered. */
 	if (--dev_priv->audio_power_refcount == 0)
-		if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
+		if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
 			glk_force_audio_cdclk(dev_priv, false);
 
 	intel_display_power_put(kdev_to_i915(kdev), POWER_DOMAIN_AUDIO);