Commit 99fe4aec authored by Imre Deak's avatar Imre Deak
Browse files

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



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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-6-imre.deak@intel.com
parent c8081b2a

drivers/gpu/drm/i915/display/intel_dp.c

+18 −20
Original line number Diff line number Diff line
@@ -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)

{