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drm/i915/dp: Reuse intel_dp_detect_dsc_caps() for eDP

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Reuse intel_dp_detect_dsc_caps() which already checks for the source's
DSC cap and retrieves the DPCD version from the DPRX caps.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-6-imre.deak@intel.com
This commit is contained in:
Imre Deak 2024-10-25 19:02:56 +03:00
parent c8081b2a8a
commit 99fe4aec08
1 changed files with 18 additions and 20 deletions
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38
drivers/gpu/drm/i915/display/intel_dp.c
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@ -4017,6 +4017,23 @@ static void intel_edp_get_dsc_sink_cap(u8 edp_dpcd_rev, struct intel_connector *
intel_dp_read_dsc_dpcd(connector->dp.dsc_decompression_aux, connector->dp.dsc_dpcd);
}
static void
intel_dp_detect_dsc_caps(struct intel_dp *intel_dp, struct intel_connector *connector)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
/* Read DP Sink DSC Cap DPCD regs for DP v1.4 */
if (!HAS_DSC(i915))
return;
if (intel_dp_is_edp(intel_dp))
intel_edp_get_dsc_sink_cap(intel_dp->edp_dpcd[0],
connector);
else
intel_dp_get_dsc_sink_cap(intel_dp->dpcd[DP_DPCD_REV],
connector);
}
static void intel_edp_mso_mode_fixup(struct intel_connector *connector,
struct drm_display_mode *mode)
{
@ -4192,9 +4209,7 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
intel_dp_set_max_sink_lane_count(intel_dp);
/* Read the eDP DSC DPCD registers */
if (HAS_DSC(dev_priv))
intel_edp_get_dsc_sink_cap(intel_dp->edp_dpcd[0],
connector);
intel_dp_detect_dsc_caps(intel_dp, connector);
/*
* If needed, program our source OUI so we can make various Intel-specific AUX services
@ -5581,23 +5596,6 @@ intel_dp_unset_edid(struct intel_dp *intel_dp)
false);
}
static void
intel_dp_detect_dsc_caps(struct intel_dp *intel_dp, struct intel_connector *connector)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
/* Read DP Sink DSC Cap DPCD regs for DP v1.4 */
if (!HAS_DSC(i915))
return;
if (intel_dp_is_edp(intel_dp))
intel_edp_get_dsc_sink_cap(intel_dp->edp_dpcd[0],
connector);
else
intel_dp_get_dsc_sink_cap(intel_dp->dpcd[DP_DPCD_REV],
connector);
}
static void
intel_dp_detect_sdp_caps(struct intel_dp *intel_dp)
{