forked from Minki/linux
drm/i915: Add missing HDMI audio pixel clocks for gen12
Gen12 hardware supports HDMI audio pixel clocks of 296.7/297Mhz and 593.4/594Mhz. Add the missing rates and add logic to ignore them if running on older hardware. Bspec: 49333 Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200310162338.9387-1-kai.vehmanen@linux.intel.com
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@ -149,6 +149,10 @@ static const struct {
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{ 74250, AUD_CONFIG_PIXEL_CLOCK_HDMI_74250 },
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{ 148352, AUD_CONFIG_PIXEL_CLOCK_HDMI_148352 },
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{ 148500, AUD_CONFIG_PIXEL_CLOCK_HDMI_148500 },
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{ 296703, AUD_CONFIG_PIXEL_CLOCK_HDMI_296703 },
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{ 297000, AUD_CONFIG_PIXEL_CLOCK_HDMI_297000 },
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{ 593407, AUD_CONFIG_PIXEL_CLOCK_HDMI_593407 },
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{ 594000, AUD_CONFIG_PIXEL_CLOCK_HDMI_594000 },
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};
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/* HDMI N/CTS table */
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@ -234,6 +238,7 @@ static const struct hdmi_aud_ncts hdmi_aud_ncts_36bpp[] = {
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/* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */
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static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_state)
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{
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struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
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const struct drm_display_mode *adjusted_mode =
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&crtc_state->hw.adjusted_mode;
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int i;
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@ -243,6 +248,9 @@ static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_sta
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break;
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}
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if (INTEL_GEN(dev_priv) < 12 && adjusted_mode->crtc_clock > 148500)
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i = ARRAY_SIZE(hdmi_audio_clock);
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if (i == ARRAY_SIZE(hdmi_audio_clock)) {
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DRM_DEBUG_KMS("HDMI audio pixel clock setting for %d not found, falling back to defaults\n",
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adjusted_mode->crtc_clock);
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@ -9251,6 +9251,10 @@ enum {
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#define AUD_CONFIG_PIXEL_CLOCK_HDMI_74250 (7 << 16)
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#define AUD_CONFIG_PIXEL_CLOCK_HDMI_148352 (8 << 16)
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#define AUD_CONFIG_PIXEL_CLOCK_HDMI_148500 (9 << 16)
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#define AUD_CONFIG_PIXEL_CLOCK_HDMI_296703 (10 << 16)
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#define AUD_CONFIG_PIXEL_CLOCK_HDMI_297000 (11 << 16)
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#define AUD_CONFIG_PIXEL_CLOCK_HDMI_593407 (12 << 16)
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#define AUD_CONFIG_PIXEL_CLOCK_HDMI_594000 (13 << 16)
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#define AUD_CONFIG_DISABLE_NCTS (1 << 3)
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/* HSW Audio */
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