[Intel-gfx] [PATCH] drm/i915: save state of AUD_FREQ_CNTRL on all gen9+ platforms

* [Intel-gfx] [PATCH] drm/i915: save state of AUD_FREQ_CNTRL on all gen9+ platforms
@ 2019-12-31 14:47 Kai Vehmanen
  2019-12-31 15:31 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Kai Vehmanen @ 2019-12-31 14:47 UTC (permalink / raw
  To: intel-gfx

On old platforms the default values of AUD_FREQ_CNTRL are
typically used (as set by BIOS), so this has not been an issue,
but future platforms will definitely need this. Extend the state
save logic to cover all gen9+ platforms.

Bspec: 49281
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_audio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index 27710098d056..e6517c5d83ae 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -849,7 +849,7 @@ static unsigned long i915_audio_component_get_power(struct device *kdev)
 	ret = intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
 
 	if (dev_priv->audio_power_refcount++ == 0) {
-		if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
+		if (INTEL_GEN(dev_priv) >= 9) {
 			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);
@@ -1124,7 +1124,7 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv)
 		return;
 	}
 
-	if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 9) {
 		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);
-- 
2.17.1

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