[SRU][OEM-B-OSP1][PATCH v2 2/2] UBUNTU: SAUCE: drm/i915: extend audio CDCLK>=2*BCLK constraint to more platforms
Hui Wang
hui.wang at canonical.com
Wed Oct 9 08:08:36 UTC 2019
From: Kai Vehmanen <kai.vehmanen at 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 at linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula at 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 at canonical.com>
---
drivers/gpu/drm/i915/intel_audio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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);
--
2.17.1
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