diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_pps.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_pps.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index 7b21438edd9b..24b5b12f7732 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -13,6 +13,7 @@ #include "intel_dpio_phy.h" #include "intel_dpll.h" #include "intel_lvds.h" +#include "intel_lvds_regs.h" #include "intel_pps.h" #include "intel_quirks.h" @@ -1534,17 +1535,13 @@ static void pps_init_registers(struct intel_dp *intel_dp, bool force_disable_vdd /* * Compute the divisor for the pp clock, simply match the Bspec formula. */ - if (i915_mmio_reg_valid(regs.pp_div)) { + if (i915_mmio_reg_valid(regs.pp_div)) intel_de_write(dev_priv, regs.pp_div, REG_FIELD_PREP(PP_REFERENCE_DIVIDER_MASK, (100 * div) / 2 - 1) | REG_FIELD_PREP(PANEL_POWER_CYCLE_DELAY_MASK, DIV_ROUND_UP(seq->t11_t12, 1000))); - } else { - u32 pp_ctl; - - pp_ctl = intel_de_read(dev_priv, regs.pp_ctrl); - pp_ctl &= ~BXT_POWER_CYCLE_DELAY_MASK; - pp_ctl |= REG_FIELD_PREP(BXT_POWER_CYCLE_DELAY_MASK, DIV_ROUND_UP(seq->t11_t12, 1000)); - intel_de_write(dev_priv, regs.pp_ctrl, pp_ctl); - } + else + intel_de_rmw(dev_priv, regs.pp_ctrl, BXT_POWER_CYCLE_DELAY_MASK, + REG_FIELD_PREP(BXT_POWER_CYCLE_DELAY_MASK, + DIV_ROUND_UP(seq->t11_t12, 1000))); drm_dbg_kms(&dev_priv->drm, "panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n", |