Commit f820693b authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Introduce has_iboost() 



Suck the "do we have iboost?" platform checks into a small helper.

Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211001130107.1746-2-ville.syrjala@linux.intel.com


Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
parent f6e3be98

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

+9 −4
Original line number Diff line number Diff line
@@ -92,6 +92,11 @@ static int intel_ddi_hdmi_level(struct intel_encoder *encoder, 
	return level;

}



static bool has_iboost(struct drm_i915_private *i915)

{

	return DISPLAY_VER(i915) == 9 && !IS_BROXTON(i915);

}



/*

 * Starting with Haswell, DDI port buffers must be programmed with correct

 * values in advance. This function programs the correct values for
@@ -111,7 +116,7 @@ void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder, 
		return;



	/* If we're boosting the current, set bit 31 of trans1 */

	if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv) &&

	if (has_iboost(dev_priv) &&

	    intel_bios_encoder_dp_boost_level(encoder->devdata))

		iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE;
@@ -145,7 +150,7 @@ static void hsw_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, 
		level = n_entries - 1;



	/* If we're boosting the current, set bit 31 of trans1 */

	if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv) &&

	if (has_iboost(dev_priv) &&

	    intel_bios_encoder_hdmi_boost_level(encoder->devdata))

		iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE;
@@ -1463,7 +1468,7 @@ hsw_set_signal_levels(struct intel_dp *intel_dp, 
	intel_dp->DP &= ~DDI_BUF_EMP_MASK;

	intel_dp->DP |= signal_levels;



	if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv))

	if (has_iboost(dev_priv))

		skl_ddi_set_iboost(encoder, crtc_state, level);



	intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP);
@@ -3084,7 +3089,7 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, 
	else

		hsw_prepare_hdmi_ddi_buffers(encoder, crtc_state, level);



	if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv))

	if (has_iboost(dev_priv))

		skl_ddi_set_iboost(encoder, crtc_state, level);



	/* Display WA #1143: skl,kbl,cfl */