From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Streamline the code by using intel_de_rmw(). Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_ddi.c | 111 ++++++++--------------- 1 file changed, 39 insertions(+), 72 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 3c1b289df2c0..ce8c85701cff 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1165,7 +1165,6 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); const struct intel_ddi_buf_trans *trans; int n_entries, ln; - u32 val; if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder))) return; @@ -1174,15 +1173,11 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - /* Set MG_TX_LINK_PARAMS cri_use_fs32 to 0. */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port)); - val &= ~CRI_USE_FS32; - intel_de_write(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port), val); - - val = intel_de_read(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port)); - val &= ~CRI_USE_FS32; - intel_de_write(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port), + CRI_USE_FS32, 0); + intel_de_rmw(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port), + CRI_USE_FS32, 0); } /* Program MG_TX_SWINGCTRL with values from vswing table */ @@ -1191,19 +1186,15 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, level = intel_ddi_level(encoder, crtc_state, 2*ln+0); - val = intel_de_read(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port)); - val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; - val |= CRI_TXDEEMPH_OVERRIDE_17_12( - trans->entries[level].mg.cri_txdeemph_override_17_12); - intel_de_write(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_17_12_MASK, + CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12)); level = intel_ddi_level(encoder, crtc_state, 2*ln+1); - val = intel_de_read(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port)); - val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; - val |= CRI_TXDEEMPH_OVERRIDE_17_12( - trans->entries[level].mg.cri_txdeemph_override_17_12); - intel_de_write(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_17_12_MASK, + CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12)); } /* Program MG_TX_DRVCTRL with values from vswing table */ @@ -1212,27 +1203,21 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, level = intel_ddi_level(encoder, crtc_state, 2*ln+0); - val = intel_de_read(dev_priv, MG_TX1_DRVCTRL(ln, tc_port)); - val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | - CRI_TXDEEMPH_OVERRIDE_5_0_MASK); - val |= CRI_TXDEEMPH_OVERRIDE_5_0( - trans->entries[level].mg.cri_txdeemph_override_5_0) | - CRI_TXDEEMPH_OVERRIDE_11_6( - trans->entries[level].mg.cri_txdeemph_override_11_6) | - CRI_TXDEEMPH_OVERRIDE_EN; - intel_de_write(dev_priv, MG_TX1_DRVCTRL(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_TX1_DRVCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_11_6_MASK | + CRI_TXDEEMPH_OVERRIDE_5_0_MASK, + CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) | + CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) | + CRI_TXDEEMPH_OVERRIDE_EN); level = intel_ddi_level(encoder, crtc_state, 2*ln+1); - val = intel_de_read(dev_priv, MG_TX2_DRVCTRL(ln, tc_port)); - val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | - CRI_TXDEEMPH_OVERRIDE_5_0_MASK); - val |= CRI_TXDEEMPH_OVERRIDE_5_0( - trans->entries[level].mg.cri_txdeemph_override_5_0) | - CRI_TXDEEMPH_OVERRIDE_11_6( - trans->entries[level].mg.cri_txdeemph_override_11_6) | - CRI_TXDEEMPH_OVERRIDE_EN; - intel_de_write(dev_priv, MG_TX2_DRVCTRL(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_TX2_DRVCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_11_6_MASK | + CRI_TXDEEMPH_OVERRIDE_5_0_MASK, + CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) | + CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) | + CRI_TXDEEMPH_OVERRIDE_EN); /* FIXME: Program CRI_LOADGEN_SEL after the spec is updated */ } @@ -1243,50 +1228,32 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, * values from table for which TX1 and TX2 enabled. */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_CLKHUB(ln, tc_port)); - if (crtc_state->port_clock < 300000) - val |= CFG_LOW_RATE_LKREN_EN; - else - val &= ~CFG_LOW_RATE_LKREN_EN; - intel_de_write(dev_priv, MG_CLKHUB(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_CLKHUB(ln, tc_port), + CFG_LOW_RATE_LKREN_EN, + crtc_state->port_clock < 300000 ? CFG_LOW_RATE_LKREN_EN : 0); } /* Program the MG_TX_DCC<LN, port being used> based on the link frequency */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_TX1_DCC(ln, tc_port)); - val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; - if (crtc_state->port_clock <= 500000) { - val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; - } else { - val |= CFG_AMI_CK_DIV_OVERRIDE_EN | - CFG_AMI_CK_DIV_OVERRIDE_VAL(1); - } - intel_de_write(dev_priv, MG_TX1_DCC(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_TX1_DCC(ln, tc_port), + CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK | + CFG_AMI_CK_DIV_OVERRIDE_EN, + crtc_state->port_clock > 500000 ? + CFG_AMI_CK_DIV_OVERRIDE_EN | CFG_AMI_CK_DIV_OVERRIDE_VAL(1) : 0); - val = intel_de_read(dev_priv, MG_TX2_DCC(ln, tc_port)); - val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; - if (crtc_state->port_clock <= 500000) { - val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; - } else { - val |= CFG_AMI_CK_DIV_OVERRIDE_EN | - CFG_AMI_CK_DIV_OVERRIDE_VAL(1); - } - intel_de_write(dev_priv, MG_TX2_DCC(ln, tc_port), val); + intel_de_rmw(dev_priv, MG_TX2_DCC(ln, tc_port), + CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK | + CFG_AMI_CK_DIV_OVERRIDE_EN, + crtc_state->port_clock > 500000 ? + CFG_AMI_CK_DIV_OVERRIDE_EN | CFG_AMI_CK_DIV_OVERRIDE_VAL(1) : 0); } /* Program MG_TX_PISO_READLOAD with values from vswing table */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, - MG_TX1_PISO_READLOAD(ln, tc_port)); - val |= CRI_CALCINIT; - intel_de_write(dev_priv, MG_TX1_PISO_READLOAD(ln, tc_port), - val); - - val = intel_de_read(dev_priv, - MG_TX2_PISO_READLOAD(ln, tc_port)); - val |= CRI_CALCINIT; - intel_de_write(dev_priv, MG_TX2_PISO_READLOAD(ln, tc_port), - val); + intel_de_rmw(dev_priv, MG_TX1_PISO_READLOAD(ln, tc_port), + 0, CRI_CALCINIT); + intel_de_rmw(dev_priv, MG_TX2_PISO_READLOAD(ln, tc_port), + 0, CRI_CALCINIT); } } -- 2.32.0