!drm_mode_is_420_only(info, mode))
return INTEL_OUTPUT_FORMAT_RGB;
+ if (intel_dp->dfp.rgb_to_ycbcr &&
+ intel_dp->dfp.ycbcr_444_to_420)
+ return INTEL_OUTPUT_FORMAT_RGB;
+
if (intel_dp->dfp.ycbcr_444_to_420)
return INTEL_OUTPUT_FORMAT_YCBCR444;
else
const struct drm_display_info *info = &connector->base.display_info;
int tmds_clock;
+ /* If PCON supports FRL MODE, check FRL bandwidth constraints */
+ if (intel_dp->dfp.pcon_max_frl_bw) {
+ int target_bw;
+ int max_frl_bw;
+ int bpp = intel_dp_mode_min_output_bpp(&connector->base, mode);
+
+ target_bw = bpp * target_clock;
+
+ max_frl_bw = intel_dp->dfp.pcon_max_frl_bw;
+
+ /* converting bw from Gbps to Kbps*/
+ max_frl_bw = max_frl_bw * 1000000;
+
+ if (target_bw > max_frl_bw)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+ }
+
if (intel_dp->dfp.max_dotclock &&
target_clock > intel_dp->dfp.max_dotclock)
return MODE_CLOCK_HIGH;
intel_edp_backlight_off(old_conn_state);
intel_dp_set_power(intel_dp, DP_SET_POWER_D3);
intel_edp_panel_off(intel_dp);
+ intel_dp->frl.is_trained = false;
+ intel_dp->frl.trained_rate_gbps = 0;
}
static void g4x_disable_dp(struct intel_atomic_state *state,
intel_de_posting_read(dev_priv, intel_dp->output_reg);
}
+static void intel_dp_get_pcon_dsc_cap(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ /* Clear the cached register set to avoid using stale values */
+
+ memset(intel_dp->pcon_dsc_dpcd, 0, sizeof(intel_dp->pcon_dsc_dpcd));
+
+ if (drm_dp_dpcd_read(&intel_dp->aux, DP_PCON_DSC_ENCODER,
+ intel_dp->pcon_dsc_dpcd,
+ sizeof(intel_dp->pcon_dsc_dpcd)) < 0)
+ drm_err(&i915->drm, "Failed to read DPCD register 0x%x\n",
+ DP_PCON_DSC_ENCODER);
+
+ drm_dbg_kms(&i915->drm, "PCON ENCODER DSC DPCD: %*ph\n",
+ (int)sizeof(intel_dp->pcon_dsc_dpcd), intel_dp->pcon_dsc_dpcd);
+}
+
+static int intel_dp_pcon_get_frl_mask(u8 frl_bw_mask)
+{
+ int bw_gbps[] = {9, 18, 24, 32, 40, 48};
+ int i;
+
+ for (i = ARRAY_SIZE(bw_gbps) - 1; i >= 0; i--) {
+ if (frl_bw_mask & (1 << i))
+ return bw_gbps[i];
+ }
+ return 0;
+}
+
+static int intel_dp_pcon_set_frl_mask(int max_frl)
+{
+ switch (max_frl) {
+ case 48:
+ return DP_PCON_FRL_BW_MASK_48GBPS;
+ case 40:
+ return DP_PCON_FRL_BW_MASK_40GBPS;
+ case 32:
+ return DP_PCON_FRL_BW_MASK_32GBPS;
+ case 24:
+ return DP_PCON_FRL_BW_MASK_24GBPS;
+ case 18:
+ return DP_PCON_FRL_BW_MASK_18GBPS;
+ case 9:
+ return DP_PCON_FRL_BW_MASK_9GBPS;
+ }
+
+ return 0;
+}
+
+static int intel_dp_hdmi_sink_max_frl(struct intel_dp *intel_dp)
+{
+ struct intel_connector *intel_connector = intel_dp->attached_connector;
+ struct drm_connector *connector = &intel_connector->base;
+ int max_frl_rate;
+ int max_lanes, rate_per_lane;
+ int max_dsc_lanes, dsc_rate_per_lane;
+
+ max_lanes = connector->display_info.hdmi.max_lanes;
+ rate_per_lane = connector->display_info.hdmi.max_frl_rate_per_lane;
+ max_frl_rate = max_lanes * rate_per_lane;
+
+ if (connector->display_info.hdmi.dsc_cap.v_1p2) {
+ max_dsc_lanes = connector->display_info.hdmi.dsc_cap.max_lanes;
+ dsc_rate_per_lane = connector->display_info.hdmi.dsc_cap.max_frl_rate_per_lane;
+ if (max_dsc_lanes && dsc_rate_per_lane)
+ max_frl_rate = min(max_frl_rate, max_dsc_lanes * dsc_rate_per_lane);
+ }
+
+ return max_frl_rate;
+}
+
+static int intel_dp_pcon_start_frl_training(struct intel_dp *intel_dp)
+{
+#define PCON_EXTENDED_TRAIN_MODE (1 > 0)
+#define PCON_CONCURRENT_MODE (1 > 0)
+#define PCON_SEQUENTIAL_MODE !PCON_CONCURRENT_MODE
+#define PCON_NORMAL_TRAIN_MODE !PCON_EXTENDED_TRAIN_MODE
+#define TIMEOUT_FRL_READY_MS 500
+#define TIMEOUT_HDMI_LINK_ACTIVE_MS 1000
+
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ int max_frl_bw, max_pcon_frl_bw, max_edid_frl_bw, ret;
+ u8 max_frl_bw_mask = 0, frl_trained_mask;
+ bool is_active;
+
+ ret = drm_dp_pcon_reset_frl_config(&intel_dp->aux);
+ if (ret < 0)
+ return ret;
+
+ max_pcon_frl_bw = intel_dp->dfp.pcon_max_frl_bw;
+ drm_dbg(&i915->drm, "PCON max rate = %d Gbps\n", max_pcon_frl_bw);
+
+ max_edid_frl_bw = intel_dp_hdmi_sink_max_frl(intel_dp);
+ drm_dbg(&i915->drm, "Sink max rate from EDID = %d Gbps\n", max_edid_frl_bw);
+
+ max_frl_bw = min(max_edid_frl_bw, max_pcon_frl_bw);
+
+ if (max_frl_bw <= 0)
+ return -EINVAL;
+
+ ret = drm_dp_pcon_frl_prepare(&intel_dp->aux, false);
+ if (ret < 0)
+ return ret;
+ /* Wait for PCON to be FRL Ready */
+ wait_for(is_active = drm_dp_pcon_is_frl_ready(&intel_dp->aux) == true, TIMEOUT_FRL_READY_MS);
+
+ if (!is_active)
+ return -ETIMEDOUT;
+
+ max_frl_bw_mask = intel_dp_pcon_set_frl_mask(max_frl_bw);
+ ret = drm_dp_pcon_frl_configure_1(&intel_dp->aux, max_frl_bw, PCON_SEQUENTIAL_MODE);
+ if (ret < 0)
+ return ret;
+ ret = drm_dp_pcon_frl_configure_2(&intel_dp->aux, max_frl_bw_mask, PCON_NORMAL_TRAIN_MODE);
+ if (ret < 0)
+ return ret;
+ ret = drm_dp_pcon_frl_enable(&intel_dp->aux);
+ if (ret < 0)
+ return ret;
+ /*
+ * Wait for FRL to be completed
+ * Check if the HDMI Link is up and active.
+ */
+ wait_for(is_active = drm_dp_pcon_hdmi_link_active(&intel_dp->aux) == true, TIMEOUT_HDMI_LINK_ACTIVE_MS);
+
+ if (!is_active)
+ return -ETIMEDOUT;
+
+ /* Verify HDMI Link configuration shows FRL Mode */
+ if (drm_dp_pcon_hdmi_link_mode(&intel_dp->aux, &frl_trained_mask) !=
+ DP_PCON_HDMI_MODE_FRL) {
+ drm_dbg(&i915->drm, "HDMI couldn't be trained in FRL Mode\n");
+ return -EINVAL;
+ }
+ drm_dbg(&i915->drm, "MAX_FRL_MASK = %u, FRL_TRAINED_MASK = %u\n", max_frl_bw_mask, frl_trained_mask);
+
+ intel_dp->frl.trained_rate_gbps = intel_dp_pcon_get_frl_mask(frl_trained_mask);
+ intel_dp->frl.is_trained = true;
+ drm_dbg(&i915->drm, "FRL trained with : %d Gbps\n", intel_dp->frl.trained_rate_gbps);
+
+ return 0;
+}
+
+static bool intel_dp_is_hdmi_2_1_sink(struct intel_dp *intel_dp)
+{
+ if (drm_dp_is_branch(intel_dp->dpcd) &&
+ intel_dp->has_hdmi_sink &&
+ intel_dp_hdmi_sink_max_frl(intel_dp) > 0)
+ return true;
+
+ return false;
+}
+
+void intel_dp_check_frl_training(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+
+ /* Always go for FRL training if supported */
+ if (!intel_dp_is_hdmi_2_1_sink(intel_dp) ||
+ intel_dp->frl.is_trained)
+ return;
+
+ if (intel_dp_pcon_start_frl_training(intel_dp) < 0) {
+ int ret, mode;
+
+ drm_dbg(&dev_priv->drm, "Couldnt set FRL mode, continuing with TMDS mode\n");
+ ret = drm_dp_pcon_reset_frl_config(&intel_dp->aux);
+ mode = drm_dp_pcon_hdmi_link_mode(&intel_dp->aux, NULL);
+
+ if (ret < 0 || mode != DP_PCON_HDMI_MODE_TMDS)
+ drm_dbg(&dev_priv->drm, "Issue with PCON, cannot set TMDS mode\n");
+ } else {
+ drm_dbg(&dev_priv->drm, "FRL training Completed\n");
+ }
+}
+
+static int
+intel_dp_pcon_dsc_enc_slice_height(const struct intel_crtc_state *crtc_state)
+{
+ int vactive = crtc_state->hw.adjusted_mode.vdisplay;
+
+ return intel_hdmi_dsc_get_slice_height(vactive);
+}
+
+static int
+intel_dp_pcon_dsc_enc_slices(struct intel_dp *intel_dp,
+ const struct intel_crtc_state *crtc_state)
+{
+ struct intel_connector *intel_connector = intel_dp->attached_connector;
+ struct drm_connector *connector = &intel_connector->base;
+ int hdmi_throughput = connector->display_info.hdmi.dsc_cap.clk_per_slice;
+ int hdmi_max_slices = connector->display_info.hdmi.dsc_cap.max_slices;
+ int pcon_max_slices = drm_dp_pcon_dsc_max_slices(intel_dp->pcon_dsc_dpcd);
+ int pcon_max_slice_width = drm_dp_pcon_dsc_max_slice_width(intel_dp->pcon_dsc_dpcd);
+
+ return intel_hdmi_dsc_get_num_slices(crtc_state, pcon_max_slices,
+ pcon_max_slice_width,
+ hdmi_max_slices, hdmi_throughput);
+}
+
+static int
+intel_dp_pcon_dsc_enc_bpp(struct intel_dp *intel_dp,
+ const struct intel_crtc_state *crtc_state,
+ int num_slices, int slice_width)
+{
+ struct intel_connector *intel_connector = intel_dp->attached_connector;
+ struct drm_connector *connector = &intel_connector->base;
+ int output_format = crtc_state->output_format;
+ bool hdmi_all_bpp = connector->display_info.hdmi.dsc_cap.all_bpp;
+ int pcon_fractional_bpp = drm_dp_pcon_dsc_bpp_incr(intel_dp->pcon_dsc_dpcd);
+ int hdmi_max_chunk_bytes =
+ connector->display_info.hdmi.dsc_cap.total_chunk_kbytes * 1024;
+
+ return intel_hdmi_dsc_get_bpp(pcon_fractional_bpp, slice_width,
+ num_slices, output_format, hdmi_all_bpp,
+ hdmi_max_chunk_bytes);
+}
+
+void
+intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp,
+ const struct intel_crtc_state *crtc_state)
+{
+ u8 pps_param[6];
+ int slice_height;
+ int slice_width;
+ int num_slices;
+ int bits_per_pixel;
+ int ret;
+ struct intel_connector *intel_connector = intel_dp->attached_connector;
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct drm_connector *connector;
+ bool hdmi_is_dsc_1_2;
+
+ if (!intel_dp_is_hdmi_2_1_sink(intel_dp))
+ return;
+
+ if (!intel_connector)
+ return;
+ connector = &intel_connector->base;
+ hdmi_is_dsc_1_2 = connector->display_info.hdmi.dsc_cap.v_1p2;
+
+ if (!drm_dp_pcon_enc_is_dsc_1_2(intel_dp->pcon_dsc_dpcd) ||
+ !hdmi_is_dsc_1_2)
+ return;
+
+ slice_height = intel_dp_pcon_dsc_enc_slice_height(crtc_state);
+ if (!slice_height)
+ return;
+
+ num_slices = intel_dp_pcon_dsc_enc_slices(intel_dp, crtc_state);
+ if (!num_slices)
+ return;
+
+ slice_width = DIV_ROUND_UP(crtc_state->hw.adjusted_mode.hdisplay,
+ num_slices);
+
+ bits_per_pixel = intel_dp_pcon_dsc_enc_bpp(intel_dp, crtc_state,
+ num_slices, slice_width);
+ if (!bits_per_pixel)
+ return;
+
+ pps_param[0] = slice_height & 0xFF;
+ pps_param[1] = slice_height >> 8;
+ pps_param[2] = slice_width & 0xFF;
+ pps_param[3] = slice_width >> 8;
+ pps_param[4] = bits_per_pixel & 0xFF;
+ pps_param[5] = (bits_per_pixel >> 8) & 0x3;
+
+ ret = drm_dp_pcon_pps_override_param(&intel_dp->aux, pps_param);
+ if (ret < 0)
+ drm_dbg_kms(&i915->drm, "Failed to set pcon DSC\n");
+}
+
static void
g4x_set_link_train(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
intel_de_posting_read(dev_priv, intel_dp->output_reg);
}
-void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp)
+void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp,
+ const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 tmp;
enableddisabled(intel_dp->dfp.ycbcr_444_to_420));
tmp = 0;
+ if (intel_dp->dfp.rgb_to_ycbcr) {
+ bool bt2020, bt709;
- if (drm_dp_dpcd_writeb(&intel_dp->aux,
- DP_PROTOCOL_CONVERTER_CONTROL_2, tmp) <= 0)
+ /*
+ * FIXME: Currently if userspace selects BT2020 or BT709, but PCON supports only
+ * RGB->YCbCr for BT601 colorspace, we go ahead with BT601, as default.
+ *
+ */
+ tmp = DP_CONVERSION_BT601_RGB_YCBCR_ENABLE;
+
+ bt2020 = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd,
+ intel_dp->downstream_ports,
+ DP_DS_HDMI_BT2020_RGB_YCBCR_CONV);
+ bt709 = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd,
+ intel_dp->downstream_ports,
+ DP_DS_HDMI_BT709_RGB_YCBCR_CONV);
+ switch (crtc_state->infoframes.vsc.colorimetry) {
+ case DP_COLORIMETRY_BT2020_RGB:
+ case DP_COLORIMETRY_BT2020_YCC:
+ if (bt2020)
+ tmp = DP_CONVERSION_BT2020_RGB_YCBCR_ENABLE;
+ break;
+ case DP_COLORIMETRY_BT709_YCC:
+ case DP_COLORIMETRY_XVYCC_709:
+ if (bt709)
+ tmp = DP_CONVERSION_BT709_RGB_YCBCR_ENABLE;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (drm_dp_pcon_convert_rgb_to_ycbcr(&intel_dp->aux, tmp) < 0)
drm_dbg_kms(&i915->drm,
- "Failed to set protocol converter YCbCr 4:2:2 conversion mode to %s\n",
- enableddisabled(false));
+ "Failed to set protocol converter RGB->YCbCr conversion mode to %s\n",
+ enableddisabled(tmp ? true : false));
}
static void intel_enable_dp(struct intel_atomic_state *state,
}
intel_dp_set_power(intel_dp, DP_SET_POWER_D0);
- intel_dp_configure_protocol_converter(intel_dp);
+ intel_dp_configure_protocol_converter(intel_dp, pipe_config);
+ intel_dp_check_frl_training(intel_dp);
+ intel_dp_pcon_dsc_configure(intel_dp, pipe_config);
intel_dp_start_link_train(intel_dp, pipe_config);
intel_dp_stop_link_train(intel_dp, pipe_config);
return link_ok;
}
+static void
+intel_dp_handle_hdmi_link_status_change(struct intel_dp *intel_dp)
+{
+ bool is_active;
+ u8 buf = 0;
+
+ is_active = drm_dp_pcon_hdmi_link_active(&intel_dp->aux);
+ if (intel_dp->frl.is_trained && !is_active) {
+ if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, &buf) < 0)
+ return;
+
+ buf &= ~DP_PCON_ENABLE_HDMI_LINK;
+ if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_PCON_HDMI_LINK_CONFIG_1, buf) < 0)
+ return;
+
+ drm_dp_pcon_hdmi_frl_link_error_count(&intel_dp->aux, &intel_dp->attached_connector->base);
+
+ /* Restart FRL training or fall back to TMDS mode */
+ intel_dp_check_frl_training(intel_dp);
+ }
+}
+
static bool
intel_dp_needs_link_retrain(struct intel_dp *intel_dp)
{
!intel_dp_mst_is_master_trans(crtc_state))
continue;
+ intel_dp_check_frl_training(intel_dp);
+ intel_dp_pcon_dsc_configure(intel_dp, crtc_state);
intel_dp_start_link_train(intel_dp, crtc_state);
intel_dp_stop_link_train(intel_dp, crtc_state);
break;
return state;
}
-static void intel_dp_check_service_irq(struct intel_dp *intel_dp)
+static void intel_dp_check_device_service_irq(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 val;
drm_dbg_kms(&i915->drm, "Sink specific irq unhandled\n");
}
+static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ u8 val;
+
+ if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
+ return;
+
+ if (drm_dp_dpcd_readb(&intel_dp->aux,
+ DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
+ drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
+ return;
+ }
+
+ if (drm_dp_dpcd_writeb(&intel_dp->aux,
+ DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
+ drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
+ return;
+ }
+
+ if (val & HDMI_LINK_STATUS_CHANGED)
+ intel_dp_handle_hdmi_link_status_change(intel_dp);
+}
+
/*
* According to DP spec
* 5.1.2:
return false;
}
- intel_dp_check_service_irq(intel_dp);
+ intel_dp_check_device_service_irq(intel_dp);
+ intel_dp_check_link_service_irq(intel_dp);
/* Handle CEC interrupts, if any */
drm_dp_cec_irq(&intel_dp->aux);
intel_dp->downstream_ports,
edid);
+ intel_dp->dfp.pcon_max_frl_bw =
+ drm_dp_get_pcon_max_frl_bw(intel_dp->dpcd,
+ intel_dp->downstream_ports);
+
drm_dbg_kms(&i915->drm,
- "[CONNECTOR:%d:%s] DFP max bpc %d, max dotclock %d, TMDS clock %d-%d\n",
+ "[CONNECTOR:%d:%s] DFP max bpc %d, max dotclock %d, TMDS clock %d-%d, PCON Max FRL BW %dGbps\n",
connector->base.base.id, connector->base.name,
intel_dp->dfp.max_bpc,
intel_dp->dfp.max_dotclock,
intel_dp->dfp.min_tmds_clock,
- intel_dp->dfp.max_tmds_clock);
+ intel_dp->dfp.max_tmds_clock,
+ intel_dp->dfp.pcon_max_frl_bw);
+
+ intel_dp_get_pcon_dsc_cap(intel_dp);
}
static void
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
struct intel_connector *connector = intel_dp->attached_connector;
- bool is_branch, ycbcr_420_passthrough, ycbcr_444_to_420;
+ bool is_branch, ycbcr_420_passthrough, ycbcr_444_to_420, rgb_to_ycbcr;
/* No YCbCr output support on gmch platforms */
if (HAS_GMCH(i915))
dp_to_dig_port(intel_dp)->lspcon.active ||
drm_dp_downstream_444_to_420_conversion(intel_dp->dpcd,
intel_dp->downstream_ports);
+ rgb_to_ycbcr = drm_dp_downstream_rgb_to_ycbcr_conversion(intel_dp->dpcd,
+ intel_dp->downstream_ports,
+ DP_DS_HDMI_BT601_RGB_YCBCR_CONV ||
+ DP_DS_HDMI_BT709_RGB_YCBCR_CONV ||
+ DP_DS_HDMI_BT2020_RGB_YCBCR_CONV);
if (INTEL_GEN(i915) >= 11) {
+ /* Let PCON convert from RGB->YCbCr if possible */
+ if (is_branch && rgb_to_ycbcr && ycbcr_444_to_420) {
+ intel_dp->dfp.rgb_to_ycbcr = true;
+ intel_dp->dfp.ycbcr_444_to_420 = true;
+ connector->base.ycbcr_420_allowed = true;
+ } else {
/* Prefer 4:2:0 passthrough over 4:4:4->4:2:0 conversion */
- intel_dp->dfp.ycbcr_444_to_420 =
- ycbcr_444_to_420 && !ycbcr_420_passthrough;
+ intel_dp->dfp.ycbcr_444_to_420 =
+ ycbcr_444_to_420 && !ycbcr_420_passthrough;
- connector->base.ycbcr_420_allowed =
- !is_branch || ycbcr_444_to_420 || ycbcr_420_passthrough;
+ connector->base.ycbcr_420_allowed =
+ !is_branch || ycbcr_444_to_420 || ycbcr_420_passthrough;
+ }
} else {
/* 4:4:4->4:2:0 conversion is the only way */
intel_dp->dfp.ycbcr_444_to_420 = ycbcr_444_to_420;
}
drm_dbg_kms(&i915->drm,
- "[CONNECTOR:%d:%s] YCbCr 4:2:0 allowed? %s, YCbCr 4:4:4->4:2:0 conversion? %s\n",
+ "[CONNECTOR:%d:%s] RGB->YcbCr conversion? %s, YCbCr 4:2:0 allowed? %s, YCbCr 4:4:4->4:2:0 conversion? %s\n",
connector->base.base.id, connector->base.name,
+ yesno(intel_dp->dfp.rgb_to_ycbcr),
yesno(connector->base.ycbcr_420_allowed),
yesno(intel_dp->dfp.ycbcr_444_to_420));
}
intel_dp->dfp.min_tmds_clock = 0;
intel_dp->dfp.max_tmds_clock = 0;
+ intel_dp->dfp.pcon_max_frl_bw = 0;
+
intel_dp->dfp.ycbcr_444_to_420 = false;
connector->base.ycbcr_420_allowed = false;
}
to_intel_connector(connector)->detect_edid)
status = connector_status_connected;
- intel_dp_check_service_irq(intel_dp);
+ intel_dp_check_device_service_irq(intel_dp);
out:
if (status != connector_status_connected && !intel_dp->is_mst)
(temp & ~0xf) | 0xd);
}
+ intel_dp->frl.is_trained = false;
+ intel_dp->frl.trained_rate_gbps = 0;
+
return true;
fail:
projects / platform / kernel / linux-starfive.git / blobdiff