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Code Issues Releases Wiki Activity

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: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211001130107.1746-2-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Ville Syrjälä 2021-10-01 16:00:58 +03:00
parent f6e3be9865
commit f820693bc2
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/i915/display/intel_ddi.c
View File

@ -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 */