From: Ville Syrjälä <[email protected]> Streamline the code by using intel_de_rmw().
Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/display/intel_ddi.c | 44 ++++++++++-------------- 1 file changed, 18 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index ce8c85701cff..c7c86b497ebc 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1070,14 +1070,11 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, for (ln = 0; ln < 4; ln++) { int level = intel_ddi_level(encoder, crtc_state, ln); - val = intel_de_read(dev_priv, ICL_PORT_TX_DW2_LN(ln, phy)); - val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | - RCOMP_SCALAR_MASK); - val |= SWING_SEL_UPPER(trans->entries[level].icl.dw2_swing_sel); - val |= SWING_SEL_LOWER(trans->entries[level].icl.dw2_swing_sel); - /* Program Rcomp scalar for every table entry */ - val |= RCOMP_SCALAR(0x98); - intel_de_write(dev_priv, ICL_PORT_TX_DW2_LN(ln, phy), val); + intel_de_rmw(dev_priv, ICL_PORT_TX_DW2_LN(ln, phy), + SWING_SEL_UPPER_MASK | SWING_SEL_LOWER_MASK | RCOMP_SCALAR_MASK, + SWING_SEL_UPPER(trans->entries[level].icl.dw2_swing_sel) | + SWING_SEL_LOWER(trans->entries[level].icl.dw2_swing_sel) | + RCOMP_SCALAR(0x98)); } /* Program PORT_TX_DW4 */ @@ -1085,23 +1082,20 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, for (ln = 0; ln < 4; ln++) { int level = intel_ddi_level(encoder, crtc_state, ln); - val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy)); - val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | - CURSOR_COEFF_MASK); - val |= POST_CURSOR_1(trans->entries[level].icl.dw4_post_cursor_1); - val |= POST_CURSOR_2(trans->entries[level].icl.dw4_post_cursor_2); - val |= CURSOR_COEFF(trans->entries[level].icl.dw4_cursor_coeff); - intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val); + intel_de_rmw(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), + POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK, + POST_CURSOR_1(trans->entries[level].icl.dw4_post_cursor_1) | + POST_CURSOR_2(trans->entries[level].icl.dw4_post_cursor_2) | + CURSOR_COEFF(trans->entries[level].icl.dw4_cursor_coeff)); } /* Program PORT_TX_DW7 */ for (ln = 0; ln < 4; ln++) { int level = intel_ddi_level(encoder, crtc_state, ln); - val = intel_de_read(dev_priv, ICL_PORT_TX_DW7_LN(ln, phy)); - val &= ~N_SCALAR_MASK; - val |= N_SCALAR(trans->entries[level].icl.dw7_n_scalar); - intel_de_write(dev_priv, ICL_PORT_TX_DW7_LN(ln, phy), val); + intel_de_rmw(dev_priv, ICL_PORT_TX_DW7_LN(ln, phy), + N_SCALAR_MASK, + N_SCALAR(trans->entries[level].icl.dw7_n_scalar)); } } @@ -1133,16 +1127,14 @@ static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder, * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0) */ for (ln = 0; ln < 4; ln++) { - val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy)); - val &= ~LOADGEN_SELECT; - val |= icl_combo_phy_loadgen_select(crtc_state, ln); - intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val); + intel_de_rmw(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), + LOADGEN_SELECT, + icl_combo_phy_loadgen_select(crtc_state, ln)); } /* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */ - val = intel_de_read(dev_priv, ICL_PORT_CL_DW5(phy)); - val |= SUS_CLOCK_CONFIG; - intel_de_write(dev_priv, ICL_PORT_CL_DW5(phy), val); + intel_de_rmw(dev_priv, ICL_PORT_CL_DW5(phy), + 0, SUS_CLOCK_CONFIG); /* 4. Clear training enable to change swing values */ val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN(0, phy)); -- 2.32.0
