diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 59 |
1 files changed, 37 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 403b593a3eb4..c61ac0c3acb5 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1179,18 +1179,20 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); i915_reg_t ch_ctl = intel_dp->aux_ch_ctl_reg(intel_dp); + const unsigned int timeout_ms = 10; u32 status; bool done; #define C (((status = intel_uncore_read_notrace(&i915->uncore, ch_ctl)) & DP_AUX_CH_CTL_SEND_BUSY) == 0) done = wait_event_timeout(i915->gmbus_wait_queue, C, - msecs_to_jiffies_timeout(10)); + msecs_to_jiffies_timeout(timeout_ms)); /* just trace the final value */ trace_i915_reg_rw(false, ch_ctl, status, sizeof(status), true); if (!done) - DRM_ERROR("dp aux hw did not signal timeout!\n"); + DRM_ERROR("%s did not complete or timeout within %ums (status 0x%08x)\n", + intel_dp->aux.name, timeout_ms, status); #undef C return status; @@ -1291,6 +1293,9 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, u32 unused) { struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *i915 = + to_i915(intel_dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(i915, intel_dig_port->base.port); u32 ret; ret = DP_AUX_CH_CTL_SEND_BUSY | @@ -1303,7 +1308,8 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) | DP_AUX_CH_CTL_SYNC_PULSE_SKL(32); - if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT) + if (intel_phy_is_tc(i915, phy) && + intel_dig_port->tc_mode == TC_PORT_TBT_ALT) ret |= DP_AUX_CH_CTL_TBT_IO; return ret; @@ -1888,6 +1894,9 @@ static bool intel_dp_source_supports_dsc(struct intel_dp *intel_dp, { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + if (!INTEL_INFO(dev_priv)->display.has_dsc) + return false; + /* On TGL, DSC is supported on all Pipes */ if (INTEL_GEN(dev_priv) >= 12) return true; @@ -2080,10 +2089,10 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, pipe_config->lane_count = limits->max_lane_count; if (intel_dp_is_edp(intel_dp)) { - pipe_config->dsc_params.compressed_bpp = + pipe_config->dsc.compressed_bpp = min_t(u16, drm_edp_dsc_sink_output_bpp(intel_dp->dsc_dpcd) >> 4, pipe_config->pipe_bpp); - pipe_config->dsc_params.slice_count = + pipe_config->dsc.slice_count = drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd, true); } else { @@ -2104,10 +2113,10 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, DRM_DEBUG_KMS("Compressed BPP/Slice Count not supported\n"); return -EINVAL; } - pipe_config->dsc_params.compressed_bpp = min_t(u16, + pipe_config->dsc.compressed_bpp = min_t(u16, dsc_max_output_bpp >> 4, pipe_config->pipe_bpp); - pipe_config->dsc_params.slice_count = dsc_dp_slice_count; + pipe_config->dsc.slice_count = dsc_dp_slice_count; } /* * VDSC engine operates at 1 Pixel per clock, so if peak pixel rate @@ -2115,8 +2124,8 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, * then we need to use 2 VDSC instances. */ if (adjusted_mode->crtc_clock > dev_priv->max_cdclk_freq) { - if (pipe_config->dsc_params.slice_count > 1) { - pipe_config->dsc_params.dsc_split = true; + if (pipe_config->dsc.slice_count > 1) { + pipe_config->dsc.dsc_split = true; } else { DRM_DEBUG_KMS("Cannot split stream to use 2 VDSC instances\n"); return -EINVAL; @@ -2128,16 +2137,16 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, DRM_DEBUG_KMS("Cannot compute valid DSC parameters for Input Bpp = %d " "Compressed BPP = %d\n", pipe_config->pipe_bpp, - pipe_config->dsc_params.compressed_bpp); + pipe_config->dsc.compressed_bpp); return ret; } - pipe_config->dsc_params.compression_enable = true; + pipe_config->dsc.compression_enable = true; DRM_DEBUG_KMS("DP DSC computed with Input Bpp = %d " "Compressed Bpp = %d Slice Count = %d\n", pipe_config->pipe_bpp, - pipe_config->dsc_params.compressed_bpp, - pipe_config->dsc_params.slice_count); + pipe_config->dsc.compressed_bpp, + pipe_config->dsc.slice_count); return 0; } @@ -2211,15 +2220,15 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, return ret; } - if (pipe_config->dsc_params.compression_enable) { + if (pipe_config->dsc.compression_enable) { DRM_DEBUG_KMS("DP lane count %d clock %d Input bpp %d Compressed bpp %d\n", pipe_config->lane_count, pipe_config->port_clock, pipe_config->pipe_bpp, - pipe_config->dsc_params.compressed_bpp); + pipe_config->dsc.compressed_bpp); DRM_DEBUG_KMS("DP link rate required %i available %i\n", intel_dp_link_required(adjusted_mode->crtc_clock, - pipe_config->dsc_params.compressed_bpp), + pipe_config->dsc.compressed_bpp), intel_dp_max_data_rate(pipe_config->port_clock, pipe_config->lane_count)); } else { @@ -2377,8 +2386,8 @@ intel_dp_compute_config(struct intel_encoder *encoder, pipe_config->limited_color_range = intel_dp_limited_color_range(pipe_config, conn_state); - if (pipe_config->dsc_params.compression_enable) - output_bpp = pipe_config->dsc_params.compressed_bpp; + if (pipe_config->dsc.compression_enable) + output_bpp = pipe_config->dsc.compressed_bpp; else output_bpp = intel_dp_output_bpp(pipe_config, pipe_config->pipe_bpp); @@ -3102,7 +3111,7 @@ void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp, { int ret; - if (!crtc_state->dsc_params.compression_enable) + if (!crtc_state->dsc.compression_enable) return; ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_DSC_ENABLE, @@ -5688,6 +5697,12 @@ out: if (status != connector_status_connected && !intel_dp->is_mst) intel_dp_unset_edid(intel_dp); + /* + * Make sure the refs for power wells enabled during detect are + * dropped to avoid a new detect cycle triggered by HPD polling. + */ + intel_display_power_flush_work(dev_priv); + return status; } @@ -7560,11 +7575,11 @@ bool intel_dp_init(struct drm_i915_private *dev_priv, intel_encoder->power_domain = intel_port_to_power_domain(port); if (IS_CHERRYVIEW(dev_priv)) { if (port == PORT_D) - intel_encoder->crtc_mask = BIT(PIPE_C); + intel_encoder->pipe_mask = BIT(PIPE_C); else - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); } else { - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = ~0; } intel_encoder->cloneable = 0; intel_encoder->port = port; |