diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_aux.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_aux.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index c4b446d6a042..7c048d2ecf43 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -126,12 +126,7 @@ static u32 g4x_get_aux_send_ctl(struct intel_dp *intel_dp, struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - u32 precharge, timeout; - - if (IS_SANDYBRIDGE(dev_priv)) - precharge = 3; - else - precharge = 5; + u32 timeout; /* Max timeout value on G4x-BDW: 1.6ms */ if (IS_BROADWELL(dev_priv)) @@ -146,7 +141,7 @@ static u32 g4x_get_aux_send_ctl(struct intel_dp *intel_dp, timeout | DP_AUX_CH_CTL_RECEIVE_ERROR | (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) | - (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) | + (3 << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) | (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT); } @@ -607,8 +602,8 @@ static i915_reg_t tgl_aux_ctl_reg(struct intel_dp *intel_dp) case AUX_CH_USBC2: case AUX_CH_USBC3: case AUX_CH_USBC4: - case AUX_CH_USBC5: - case AUX_CH_USBC6: + case AUX_CH_USBC5: /* aka AUX_CH_D_XELPD */ + case AUX_CH_USBC6: /* aka AUX_CH_E_XELPD */ return DP_AUX_CH_CTL(aux_ch); default: MISSING_CASE(aux_ch); @@ -630,8 +625,8 @@ static i915_reg_t tgl_aux_data_reg(struct intel_dp *intel_dp, int index) case AUX_CH_USBC2: case AUX_CH_USBC3: case AUX_CH_USBC4: - case AUX_CH_USBC5: - case AUX_CH_USBC6: + case AUX_CH_USBC5: /* aka AUX_CH_D_XELPD */ + case AUX_CH_USBC6: /* aka AUX_CH_E_XELPD */ return DP_AUX_CH_DATA(aux_ch, index); default: MISSING_CASE(aux_ch); @@ -686,7 +681,11 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) drm_dp_aux_init(&intel_dp->aux); /* Failure to allocate our preferred name is not critical */ - if (DISPLAY_VER(dev_priv) >= 12 && aux_ch >= AUX_CH_USBC1) + if (DISPLAY_VER(dev_priv) >= 13 && aux_ch >= AUX_CH_D_XELPD) + intel_dp->aux.name = kasprintf(GFP_KERNEL, "AUX %c/%s", + aux_ch_name(aux_ch - AUX_CH_D_XELPD + AUX_CH_D), + encoder->base.name); + else if (DISPLAY_VER(dev_priv) >= 12 && aux_ch >= AUX_CH_USBC1) intel_dp->aux.name = kasprintf(GFP_KERNEL, "AUX USBC%c/%s", aux_ch - AUX_CH_USBC1 + '1', encoder->base.name); |