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drm/i915/cx0: split out mtl_get_cx0_buf_trans() to c10 and c20 variants

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The PHY is either c10 or c20, there's no need to check at runtime and
complicate the conditions in mtl_get_cx0_buf_trans().

While at it, replace the direct port clock check with
intel_dp_is_uhbr().

Cc: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241129114158.486418-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2024-11-29 13:41:58 +02:00
parent 5f7fb33b7b
commit b27f45ea09
1 changed files with 16 additions and 7 deletions
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23
drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
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@ -1687,18 +1687,24 @@ dg2_get_snps_buf_trans(struct intel_encoder *encoder,
}
static const struct intel_ddi_buf_trans *
mtl_get_cx0_buf_trans(struct intel_encoder *encoder,
mtl_get_c10_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries)
{
if (intel_crtc_has_dp_encoder(crtc_state) && crtc_state->port_clock >= 1000000)
return intel_get_buf_trans(&mtl_c10_trans_dp14, n_entries);
}
static const struct intel_ddi_buf_trans *
mtl_get_c20_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries)
{
if (intel_crtc_has_dp_encoder(crtc_state) && intel_dp_is_uhbr(crtc_state))
return intel_get_buf_trans(&mtl_c20_trans_uhbr, n_entries);
else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) && !(intel_encoder_is_c10phy(encoder)))
else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
return intel_get_buf_trans(&mtl_c20_trans_hdmi, n_entries);
else if (!intel_encoder_is_c10phy(encoder))
return intel_get_buf_trans(&mtl_c20_trans_dp14, n_entries);
else
return intel_get_buf_trans(&mtl_c10_trans_dp14, n_entries);
return intel_get_buf_trans(&mtl_c20_trans_dp14, n_entries);
}
void intel_ddi_buf_trans_init(struct intel_encoder *encoder)
@ -1706,7 +1712,10 @@ void intel_ddi_buf_trans_init(struct intel_encoder *encoder)
struct drm_i915_private *i915 = to_i915(encoder->base.dev);
if (DISPLAY_VER(i915) >= 14) {
encoder->get_buf_trans = mtl_get_cx0_buf_trans;
if (intel_encoder_is_c10phy(encoder))
encoder->get_buf_trans = mtl_get_c10_buf_trans;
else
encoder->get_buf_trans = mtl_get_c20_buf_trans;
} else if (IS_DG2(i915)) {
encoder->get_buf_trans = dg2_get_snps_buf_trans;
} else if (IS_ALDERLAKE_P(i915)) {