From: Ville Syrjälä <ville.syrj...@linux.intel.com> Convert bxt_ddi_phy_set_signal_levels() to act as the full .set_signal_levels() hook instead of going through a pointless wrapper.
Reviewed-by: Imre Deak <imre.d...@intel.com> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com> --- drivers/gpu/drm/i915/display/intel_ddi.c | 24 +-------------- drivers/gpu/drm/i915/display/intel_dpio_phy.c | 30 +++++++++++++------ drivers/gpu/drm/i915/display/intel_dpio_phy.h | 5 ++-- 3 files changed, 24 insertions(+), 35 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index accdf456b1d0..e6dd8ca36e44 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1005,28 +1005,6 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, _skl_ddi_set_iboost(dev_priv, PORT_E, iboost); } -static void bxt_set_signal_levels(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - int level = intel_ddi_level(encoder, crtc_state); - const struct intel_ddi_buf_trans *trans; - enum port port = encoder->port; - int n_entries; - - trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) - return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; - - bxt_ddi_phy_set_signal_level(dev_priv, port, - trans->entries[level].bxt.margin, - trans->entries[level].bxt.scale, - trans->entries[level].bxt.enable, - trans->entries[level].bxt.deemphasis); -} - static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { @@ -4580,7 +4558,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) else encoder->set_signal_levels = icl_mg_phy_set_signal_levels; } else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { - encoder->set_signal_levels = bxt_set_signal_levels; + encoder->set_signal_levels = bxt_ddi_phy_set_signal_levels; } else { encoder->set_signal_levels = hsw_set_signal_levels; } diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c index 48507ed79950..4d604e4cfa5d 100644 --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c @@ -23,6 +23,8 @@ #include "display/intel_dp.h" +#include "intel_ddi.h" +#include "intel_ddi_buf_trans.h" #include "intel_de.h" #include "intel_display_types.h" #include "intel_dpio_phy.h" @@ -266,15 +268,24 @@ void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port, *ch = DPIO_CH0; } -void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, - enum port port, u32 margin, u32 scale, - u32 enable, u32 deemphasis) +void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - u32 val; - enum dpio_phy phy; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + int level = intel_ddi_level(encoder, crtc_state); + const struct intel_ddi_buf_trans *trans; enum dpio_channel ch; + enum dpio_phy phy; + int n_entries; + u32 val; - bxt_port_to_phy_channel(dev_priv, port, &phy, &ch); + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) + return; + if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) + level = n_entries - 1; + + bxt_port_to_phy_channel(dev_priv, encoder->port, &phy, &ch); /* * While we write to the group register to program all lanes at once we @@ -286,12 +297,13 @@ void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, val = intel_de_read(dev_priv, BXT_PORT_TX_DW2_LN0(phy, ch)); val &= ~(MARGIN_000 | UNIQ_TRANS_SCALE); - val |= margin << MARGIN_000_SHIFT | scale << UNIQ_TRANS_SCALE_SHIFT; + val |= trans->entries[level].bxt.margin << MARGIN_000_SHIFT | + trans->entries[level].bxt.scale << UNIQ_TRANS_SCALE_SHIFT; intel_de_write(dev_priv, BXT_PORT_TX_DW2_GRP(phy, ch), val); val = intel_de_read(dev_priv, BXT_PORT_TX_DW3_LN0(phy, ch)); val &= ~SCALE_DCOMP_METHOD; - if (enable) + if (trans->entries[level].bxt.enable) val |= SCALE_DCOMP_METHOD; if ((val & UNIQUE_TRANGE_EN_METHOD) && !(val & SCALE_DCOMP_METHOD)) @@ -302,7 +314,7 @@ void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, val = intel_de_read(dev_priv, BXT_PORT_TX_DW4_LN0(phy, ch)); val &= ~DE_EMPHASIS; - val |= deemphasis << DEEMPH_SHIFT; + val |= trans->entries[level].bxt.deemphasis << DEEMPH_SHIFT; intel_de_write(dev_priv, BXT_PORT_TX_DW4_GRP(phy, ch), val); val = intel_de_read(dev_priv, BXT_PORT_PCS_DW10_LN01(phy, ch)); diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.h b/drivers/gpu/drm/i915/display/intel_dpio_phy.h index 6473440e7457..9c3d008e8e1a 100644 --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.h +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.h @@ -17,9 +17,8 @@ struct intel_encoder; void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port, enum dpio_phy *phy, enum dpio_channel *ch); -void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, - enum port port, u32 margin, u32 scale, - u32 enable, u32 deemphasis); +void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy); void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy); bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv, -- 2.32.0