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path: root/drivers/gpu/drm/i915/display/intel_dp.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c340
1 files changed, 252 insertions, 88 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index f0c3ed37b350..e05e25cd4a94 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -67,6 +67,7 @@
#include "intel_dp_tunnel.h"
#include "intel_dpio_phy.h"
#include "intel_dpll.h"
+#include "intel_drrs.h"
#include "intel_fifo_underrun.h"
#include "intel_hdcp.h"
#include "intel_hdmi.h"
@@ -88,6 +89,9 @@
#define DP_DSC_MAX_ENC_THROUGHPUT_0 340000
#define DP_DSC_MAX_ENC_THROUGHPUT_1 400000
+/* Max DSC line buffer depth supported by HW. */
+#define INTEL_DP_DSC_MAX_LINE_BUF_DEPTH 13
+
/* DP DSC FEC Overhead factor in ppm = 1/(0.972261) = 1.028530 */
#define DP_DSC_FEC_OVERHEAD_FACTOR 1028530
@@ -122,6 +126,14 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp)
return dig_port->base.type == INTEL_OUTPUT_EDP;
}
+bool intel_dp_as_sdp_supported(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ return HAS_AS_SDP(i915) &&
+ drm_dp_as_sdp_supported(&intel_dp->aux, intel_dp->dpcd);
+}
+
static void intel_dp_unset_edid(struct intel_dp *intel_dp);
/* Is link rate UHBR and thus 128b/132b? */
@@ -213,7 +225,7 @@ static void intel_dp_set_dpcd_sink_rates(struct intel_dp *intel_dp)
* Sink rates for 128b/132b. If set, sink should support all 8b/10b
* rates and 10 Gbps.
*/
- if (intel_dp->dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B) {
+ if (drm_dp_128b132b_supported(intel_dp->dpcd)) {
u8 uhbr_rates = 0;
BUILD_BUG_ON(ARRAY_SIZE(intel_dp->sink_rates) < ARRAY_SIZE(dp_rates) + 3);
@@ -424,7 +436,7 @@ int intel_dp_max_link_data_rate(struct intel_dp *intel_dp,
return max_rate;
}
-bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp)
+bool intel_dp_has_bigjoiner(struct intel_dp *intel_dp)
{
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
struct intel_encoder *encoder = &intel_dig_port->base;
@@ -442,11 +454,9 @@ static int dg2_max_source_rate(struct intel_dp *intel_dp)
static int icl_max_source_rate(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);
- enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port);
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
- if (intel_phy_is_combo(dev_priv, phy) && !intel_dp_is_edp(intel_dp))
+ if (intel_encoder_is_combo(encoder) && !intel_dp_is_edp(intel_dp))
return 540000;
return 810000;
@@ -462,11 +472,9 @@ static int ehl_max_source_rate(struct intel_dp *intel_dp)
static int mtl_max_source_rate(struct intel_dp *intel_dp)
{
- struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
- struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
- enum phy phy = intel_port_to_phy(i915, dig_port->base.port);
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
- if (intel_is_c10phy(i915, phy))
+ if (intel_encoder_is_c10phy(encoder))
return 810000;
return 2000000;
@@ -498,7 +506,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
/* The values must be in increasing order */
static const int mtl_rates[] = {
162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000,
- 810000, 1000000, 1350000, 2000000,
+ 810000, 1000000, 2000000,
};
static const int icl_rates[] = {
162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000,
@@ -1197,15 +1205,15 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector,
}
bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
+ struct intel_connector *connector,
int hdisplay, int clock)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- struct intel_connector *connector = intel_dp->attached_connector;
- if (!intel_dp_can_bigjoiner(intel_dp))
+ if (!intel_dp_has_bigjoiner(intel_dp))
return false;
- return clock > i915->max_dotclk_freq || hdisplay > 5120 ||
+ return clock > i915->display.cdclk.max_dotclk_freq || hdisplay > 5120 ||
connector->force_bigjoiner_enable;
}
@@ -1219,7 +1227,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
const struct drm_display_mode *fixed_mode;
int target_clock = mode->clock;
int max_rate, mode_rate, max_lanes, max_link_clock;
- int max_dotclk = dev_priv->max_dotclk_freq;
+ int max_dotclk = dev_priv->display.cdclk.max_dotclk_freq;
u16 dsc_max_compressed_bpp = 0;
u8 dsc_slice_count = 0;
enum drm_mode_status status;
@@ -1232,6 +1240,9 @@ intel_dp_mode_valid(struct drm_connector *_connector,
if (mode->flags & DRM_MODE_FLAG_DBLCLK)
return MODE_H_ILLEGAL;
+ if (mode->clock < 10000)
+ return MODE_CLOCK_LOW;
+
fixed_mode = intel_panel_fixed_mode(connector, mode);
if (intel_dp_is_edp(intel_dp) && fixed_mode) {
status = intel_panel_mode_valid(connector, mode);
@@ -1241,10 +1252,8 @@ intel_dp_mode_valid(struct drm_connector *_connector,
target_clock = fixed_mode->clock;
}
- if (mode->clock < 10000)
- return MODE_CLOCK_LOW;
-
- if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) {
+ if (intel_dp_need_bigjoiner(intel_dp, connector,
+ mode->hdisplay, target_clock)) {
bigjoiner = true;
max_dotclk *= 2;
}
@@ -1305,11 +1314,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
dsc = dsc_max_compressed_bpp && dsc_slice_count;
}
- /*
- * Big joiner configuration needs DSC for TGL which is not true for
- * XE_LPD where uncompressed joiner is supported.
- */
- if (DISPLAY_VER(dev_priv) < 13 && bigjoiner && !dsc)
+ if (intel_dp_joiner_needs_dsc(dev_priv, bigjoiner) && !dsc)
return MODE_CLOCK_HIGH;
if (mode_rate > max_rate && !dsc)
@@ -1421,7 +1426,8 @@ static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp,
if (DISPLAY_VER(dev_priv) >= 12)
return true;
- if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A)
+ if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A &&
+ !intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST))
return true;
return false;
@@ -1702,7 +1708,6 @@ static int intel_dp_dsc_compute_params(const struct intel_connector *connector,
{
struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
- u8 line_buf_depth;
int ret;
/*
@@ -1731,20 +1736,14 @@ static int intel_dp_dsc_compute_params(const struct intel_connector *connector,
connector->dp.dsc_dpcd[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT] &
DP_DSC_RGB;
- line_buf_depth = drm_dp_dsc_sink_line_buf_depth(connector->dp.dsc_dpcd);
- if (!line_buf_depth) {
+ vdsc_cfg->line_buf_depth = min(INTEL_DP_DSC_MAX_LINE_BUF_DEPTH,
+ drm_dp_dsc_sink_line_buf_depth(connector->dp.dsc_dpcd));
+ if (!vdsc_cfg->line_buf_depth) {
drm_dbg_kms(&i915->drm,
"DSC Sink Line Buffer Depth invalid\n");
return -EINVAL;
}
- if (vdsc_cfg->dsc_version_minor == 2)
- vdsc_cfg->line_buf_depth = (line_buf_depth == DSC_1_2_MAX_LINEBUF_DEPTH_BITS) ?
- DSC_1_2_MAX_LINEBUF_DEPTH_VAL : line_buf_depth;
- else
- vdsc_cfg->line_buf_depth = (line_buf_depth > DSC_1_1_MAX_LINEBUF_DEPTH_BITS) ?
- DSC_1_1_MAX_LINEBUF_DEPTH_BITS : line_buf_depth;
-
vdsc_cfg->block_pred_enable =
connector->dp.dsc_dpcd[DP_DSC_BLK_PREDICTION_SUPPORT - DP_DSC_SUPPORT] &
DP_DSC_BLK_PREDICTION_IS_SUPPORTED;
@@ -1916,8 +1915,9 @@ icl_dsc_compute_link_config(struct intel_dp *intel_dp,
dsc_max_bpp = min(dsc_max_bpp, pipe_bpp - 1);
for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp); i++) {
- if (valid_dsc_bpp[i] < dsc_min_bpp ||
- valid_dsc_bpp[i] > dsc_max_bpp)
+ if (valid_dsc_bpp[i] < dsc_min_bpp)
+ continue;
+ if (valid_dsc_bpp[i] > dsc_max_bpp)
break;
ret = dsc_compute_link_config(intel_dp,
@@ -2398,6 +2398,16 @@ int intel_dp_config_required_rate(const struct intel_crtc_state *crtc_state)
return intel_dp_link_required(adjusted_mode->crtc_clock, bpp);
}
+bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, bool use_joiner)
+{
+ /*
+ * Pipe joiner needs compression up to display 12 due to bandwidth
+ * limitation. DG2 onwards pipe joiner can be enabled without
+ * compression.
+ */
+ return DISPLAY_VER(i915) < 13 && use_joiner;
+}
+
static int
intel_dp_compute_link_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
@@ -2406,30 +2416,25 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
{
struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
- const struct intel_connector *connector =
+ struct intel_connector *connector =
to_intel_connector(conn_state->connector);
const struct drm_display_mode *adjusted_mode =
&pipe_config->hw.adjusted_mode;
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct link_config_limits limits;
- bool joiner_needs_dsc = false;
- bool dsc_needed;
+ bool dsc_needed, joiner_needs_dsc;
int ret = 0;
if (pipe_config->fec_enable &&
!intel_dp_supports_fec(intel_dp, connector, pipe_config))
return -EINVAL;
- if (intel_dp_need_bigjoiner(intel_dp, adjusted_mode->crtc_hdisplay,
+ if (intel_dp_need_bigjoiner(intel_dp, connector,
+ adjusted_mode->crtc_hdisplay,
adjusted_mode->crtc_clock))
pipe_config->bigjoiner_pipes = GENMASK(crtc->pipe + 1, crtc->pipe);
- /*
- * Pipe joiner needs compression up to display 12 due to bandwidth
- * limitation. DG2 onwards pipe joiner can be enabled without
- * compression.
- */
- joiner_needs_dsc = DISPLAY_VER(i915) < 13 && pipe_config->bigjoiner_pipes;
+ joiner_needs_dsc = intel_dp_joiner_needs_dsc(i915, pipe_config->bigjoiner_pipes);
dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en ||
!intel_dp_compute_config_limits(intel_dp, pipe_config,
@@ -2612,6 +2617,29 @@ static void intel_dp_compute_vsc_colorimetry(const struct intel_crtc_state *crtc
vsc->content_type = DP_CONTENT_TYPE_NOT_DEFINED;
}
+static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp,
+ struct intel_crtc_state *crtc_state)
+{
+ struct drm_dp_as_sdp *as_sdp = &crtc_state->infoframes.as_sdp;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
+
+ if (!crtc_state->vrr.enable ||
+ !intel_dp_as_sdp_supported(intel_dp))
+ return;
+
+ crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC);
+
+ /* Currently only DP_AS_SDP_AVT_FIXED_VTOTAL mode supported */
+ as_sdp->sdp_type = DP_SDP_ADAPTIVE_SYNC;
+ as_sdp->length = 0x9;
+ as_sdp->mode = DP_AS_SDP_AVT_FIXED_VTOTAL;
+ as_sdp->vtotal = adjusted_mode->vtotal;
+ as_sdp->target_rr = 0;
+ as_sdp->duration_incr_ms = 0;
+ as_sdp->duration_incr_ms = 0;
+}
+
static void intel_dp_compute_vsc_sdp(struct intel_dp *intel_dp,
struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
@@ -2683,15 +2711,6 @@ intel_dp_compute_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA);
}
-static bool cpu_transcoder_has_drrs(struct drm_i915_private *i915,
- enum transcoder cpu_transcoder)
-{
- if (HAS_DOUBLE_BUFFERED_M_N(i915))
- return true;
-
- return intel_cpu_transcoder_has_m2_n2(i915, cpu_transcoder);
-}
-
static bool can_enable_drrs(struct intel_connector *connector,
const struct intel_crtc_state *pipe_config,
const struct drm_display_mode *downclock_mode)
@@ -2714,7 +2733,7 @@ static bool can_enable_drrs(struct intel_connector *connector,
if (pipe_config->has_pch_encoder)
return false;
- if (!cpu_transcoder_has_drrs(i915, pipe_config->cpu_transcoder))
+ if (!intel_cpu_transcoder_has_drrs(i915, pipe_config->cpu_transcoder))
return false;
return downclock_mode &&
@@ -2731,7 +2750,11 @@ intel_dp_drrs_compute_config(struct intel_connector *connector,
intel_panel_downclock_mode(connector, &pipe_config->hw.adjusted_mode);
int pixel_clock;
- if (has_seamless_m_n(connector))
+ /*
+ * FIXME all joined pipes share the same transcoder.
+ * Need to account for that when updating M/N live.
+ */
+ if (has_seamless_m_n(connector) && !pipe_config->bigjoiner_pipes)
pipe_config->update_m_n = true;
if (!can_enable_drrs(connector, pipe_config, downclock_mode)) {
@@ -2972,6 +2995,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
g4x_dp_set_clock(encoder, pipe_config);
intel_vrr_compute_config(pipe_config, conn_state);
+ intel_dp_compute_as_sdp(intel_dp, pipe_config);
intel_psr_compute_config(intel_dp, pipe_config, conn_state);
intel_dp_drrs_compute_config(connector, pipe_config, link_bpp_x16);
intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state);
@@ -3364,6 +3388,14 @@ bool intel_dp_initial_fastset_check(struct intel_encoder *encoder,
fastset = false;
}
+ if (CAN_PANEL_REPLAY(intel_dp)) {
+ drm_dbg_kms(&i915->drm,
+ "[ENCODER:%d:%s] Forcing full modeset to compute panel replay state\n",
+ encoder->base.base.id, encoder->base.name);
+ crtc_state->uapi.mode_changed = true;
+ fastset = false;
+ }
+
return fastset;
}
@@ -4047,39 +4079,84 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
intel_dp->downstream_ports) == 0;
}
-static bool
-intel_dp_can_mst(struct intel_dp *intel_dp)
+static const char *intel_dp_mst_mode_str(enum drm_dp_mst_mode mst_mode)
+{
+ if (mst_mode == DRM_DP_MST)
+ return "MST";
+ else if (mst_mode == DRM_DP_SST_SIDEBAND_MSG)
+ return "SST w/ sideband messaging";
+ else
+ return "SST";
+}
+
+static enum drm_dp_mst_mode
+intel_dp_mst_mode_choose(struct intel_dp *intel_dp,
+ enum drm_dp_mst_mode sink_mst_mode)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- return i915->display.params.enable_dp_mst &&
- intel_dp_mst_source_support(intel_dp) &&
- drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);
+ if (!i915->display.params.enable_dp_mst)
+ return DRM_DP_SST;
+
+ if (!intel_dp_mst_source_support(intel_dp))
+ return DRM_DP_SST;
+
+ if (sink_mst_mode == DRM_DP_SST_SIDEBAND_MSG &&
+ !(intel_dp->dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B))
+ return DRM_DP_SST;
+
+ return sink_mst_mode;
}
-static void
-intel_dp_configure_mst(struct intel_dp *intel_dp)
+static enum drm_dp_mst_mode
+intel_dp_mst_detect(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- struct intel_encoder *encoder =
- &dp_to_dig_port(intel_dp)->base;
- bool sink_can_mst = drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ enum drm_dp_mst_mode sink_mst_mode;
+ enum drm_dp_mst_mode mst_detect;
+
+ sink_mst_mode = drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);
+
+ mst_detect = intel_dp_mst_mode_choose(intel_dp, sink_mst_mode);
drm_dbg_kms(&i915->drm,
- "[ENCODER:%d:%s] MST support: port: %s, sink: %s, modparam: %s\n",
+ "[ENCODER:%d:%s] MST support: port: %s, sink: %s, modparam: %s -> enable: %s\n",
encoder->base.base.id, encoder->base.name,
str_yes_no(intel_dp_mst_source_support(intel_dp)),
- str_yes_no(sink_can_mst),
- str_yes_no(i915->display.params.enable_dp_mst));
+ intel_dp_mst_mode_str(sink_mst_mode),
+ str_yes_no(i915->display.params.enable_dp_mst),
+ intel_dp_mst_mode_str(mst_detect));
+
+ return mst_detect;
+}
+static void
+intel_dp_mst_configure(struct intel_dp *intel_dp)
+{
if (!intel_dp_mst_source_support(intel_dp))
return;
- intel_dp->is_mst = sink_can_mst &&
- i915->display.params.enable_dp_mst;
+ intel_dp->is_mst = intel_dp->mst_detect != DRM_DP_SST;
- drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,
- intel_dp->is_mst);
+ drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst);
+
+ /* Avoid stale info on the next detect cycle. */
+ intel_dp->mst_detect = DRM_DP_SST;
+}
+
+static void
+intel_dp_mst_disconnect(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ if (!intel_dp->is_mst)
+ return;
+
+ drm_dbg_kms(&i915->drm, "MST device may have disappeared %d vs %d\n",
+ intel_dp->is_mst, intel_dp->mst_mgr.mst_state);
+ intel_dp->is_mst = false;
+ drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst);
}
static bool
@@ -4127,6 +4204,32 @@ intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
return false;
}
+static ssize_t intel_dp_as_sdp_pack(const struct drm_dp_as_sdp *as_sdp,
+ struct dp_sdp *sdp, size_t size)
+{
+ size_t length = sizeof(struct dp_sdp);
+
+ if (size < length)
+ return -ENOSPC;
+
+ memset(sdp, 0, size);
+
+ /* Prepare AS (Adaptive Sync) SDP Header */
+ sdp->sdp_header.HB0 = 0;
+ sdp->sdp_header.HB1 = as_sdp->sdp_type;
+ sdp->sdp_header.HB2 = 0x02;
+ sdp->sdp_header.HB3 = as_sdp->length;
+
+ /* Fill AS (Adaptive Sync) SDP Payload */
+ sdp->db[0] = as_sdp->mode;
+ sdp->db[1] = as_sdp->vtotal & 0xFF;
+ sdp->db[2] = (as_sdp->vtotal >> 8) & 0xFF;
+ sdp->db[3] = as_sdp->target_rr & 0xFF;
+ sdp->db[4] = (as_sdp->target_rr >> 8) & 0x3;
+
+ return length;
+}
+
static ssize_t
intel_dp_hdr_metadata_infoframe_sdp_pack(struct drm_i915_private *i915,
const struct hdmi_drm_infoframe *drm_infoframe,
@@ -4226,6 +4329,10 @@ static void intel_write_dp_sdp(struct intel_encoder *encoder,
&crtc_state->infoframes.drm.drm,
&sdp, sizeof(sdp));
break;
+ case DP_SDP_ADAPTIVE_SYNC:
+ len = intel_dp_as_sdp_pack(&crtc_state->infoframes.as_sdp, &sdp,
+ sizeof(sdp));
+ break;
default:
MISSING_CASE(type);
return;
@@ -4247,6 +4354,10 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder,
u32 dip_enable = VIDEO_DIP_ENABLE_AVI_HSW | VIDEO_DIP_ENABLE_GCP_HSW |
VIDEO_DIP_ENABLE_VS_HSW | VIDEO_DIP_ENABLE_GMP_HSW |
VIDEO_DIP_ENABLE_SPD_HSW | VIDEO_DIP_ENABLE_DRM_GLK;
+
+ if (HAS_AS_SDP(dev_priv))
+ dip_enable |= VIDEO_DIP_ENABLE_AS_ADL;
+
u32 val = intel_de_read(dev_priv, reg) & ~dip_enable;
/* TODO: Sanitize DSC enabling wrt. intel_dsc_dp_pps_write(). */
@@ -4264,10 +4375,42 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder,
return;
intel_write_dp_sdp(encoder, crtc_state, DP_SDP_VSC);
+ intel_write_dp_sdp(encoder, crtc_state, DP_SDP_ADAPTIVE_SYNC);
intel_write_dp_sdp(encoder, crtc_state, HDMI_PACKET_TYPE_GAMUT_METADATA);
}
+static
+int intel_dp_as_sdp_unpack(struct drm_dp_as_sdp *as_sdp,
+ const void *buffer, size_t size)
+{
+ const struct dp_sdp *sdp = buffer;
+
+ if (size < sizeof(struct dp_sdp))
+ return -EINVAL;
+
+ memset(as_sdp, 0, sizeof(*as_sdp));
+
+ if (sdp->sdp_header.HB0 != 0)
+ return -EINVAL;
+
+ if (sdp->sdp_header.HB1 != DP_SDP_ADAPTIVE_SYNC)
+ return -EINVAL;
+
+ if (sdp->sdp_header.HB2 != 0x02)
+ return -EINVAL;
+
+ if ((sdp->sdp_header.HB3 & 0x3F) != 9)
+ return -EINVAL;
+
+ as_sdp->length = sdp->sdp_header.HB3 & DP_ADAPTIVE_SYNC_SDP_LENGTH;
+ as_sdp->mode = sdp->db[0] & DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE;
+ as_sdp->vtotal = (sdp->db[2] << 8) | sdp->db[1];
+ as_sdp->target_rr = (u64)sdp->db[3] | ((u64)sdp->db[4] & 0x3);
+
+ return 0;
+}
+
static int intel_dp_vsc_sdp_unpack(struct drm_dp_vsc_sdp *vsc,
const void *buffer, size_t size)
{
@@ -4338,6 +4481,29 @@ static int intel_dp_vsc_sdp_unpack(struct drm_dp_vsc_sdp *vsc,
return 0;
}
+static void
+intel_read_dp_as_sdp(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct drm_dp_as_sdp *as_sdp)
+{
+ struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ unsigned int type = DP_SDP_ADAPTIVE_SYNC;
+ struct dp_sdp sdp = {};
+ int ret;
+
+ if ((crtc_state->infoframes.enable &
+ intel_hdmi_infoframe_enable(type)) == 0)
+ return;
+
+ dig_port->read_infoframe(encoder, crtc_state, type, &sdp,
+ sizeof(sdp));
+
+ ret = intel_dp_as_sdp_unpack(as_sdp, &sdp, sizeof(sdp));
+ if (ret)
+ drm_dbg_kms(&dev_priv->drm, "Failed to unpack DP AS SDP\n");
+}
+
static int
intel_dp_hdr_metadata_infoframe_sdp_unpack(struct hdmi_drm_infoframe *drm_infoframe,
const void *buffer, size_t size)
@@ -4444,6 +4610,10 @@ void intel_read_dp_sdp(struct intel_encoder *encoder,
intel_read_dp_hdr_metadata_infoframe_sdp(encoder, crtc_state,
&crtc_state->infoframes.drm.drm);
break;
+ case DP_SDP_ADAPTIVE_SYNC:
+ intel_read_dp_as_sdp(encoder, crtc_state,
+ &crtc_state->infoframes.as_sdp);
+ break;
default:
MISSING_CASE(type);
break;
@@ -5371,6 +5541,8 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp)
if (!intel_dp_get_dpcd(intel_dp))
return connector_status_disconnected;
+ intel_dp->mst_detect = intel_dp_mst_detect(intel_dp);
+
/* if there's no downstream port, we're done */
if (!drm_dp_is_branch(dpcd))
return connector_status_connected;
@@ -5382,7 +5554,7 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp)
connector_status_connected : connector_status_disconnected;
}
- if (intel_dp_can_mst(intel_dp))
+ if (intel_dp->mst_detect == DRM_DP_MST)
return connector_status_connected;
/* If no HPD, poke DDC gently */
@@ -5687,15 +5859,7 @@ intel_dp_detect(struct drm_connector *connector,
memset(intel_connector->dp.dsc_dpcd, 0, sizeof(intel_connector->dp.dsc_dpcd));
intel_dp->psr.sink_panel_replay_support = false;
- if (intel_dp->is_mst) {
- drm_dbg_kms(&dev_priv->drm,
- "MST device may have disappeared %d vs %d\n",
- intel_dp->is_mst,
- intel_dp->mst_mgr.mst_state);
- intel_dp->is_mst = false;
- drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,
- intel_dp->is_mst);
- }
+ intel_dp_mst_disconnect(intel_dp);
intel_dp_tunnel_disconnect(intel_dp);
@@ -5714,7 +5878,7 @@ intel_dp_detect(struct drm_connector *connector,
intel_dp_detect_dsc_caps(intel_dp, intel_connector);
- intel_dp_configure_mst(intel_dp);
+ intel_dp_mst_configure(intel_dp);
/*
* TODO: Reset link params when switching to MST mode, until MST
@@ -6497,7 +6661,6 @@ intel_dp_init_connector(struct intel_digital_port *dig_port,
struct drm_device *dev = intel_encoder->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
enum port port = intel_encoder->port;
- enum phy phy = intel_port_to_phy(dev_priv, port);
int type;
/* Initialize the work for modeset in case of link train failure */
@@ -6522,7 +6685,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port,
* Currently we don't support eDP on TypeC ports, although in
* theory it could work on TypeC legacy ports.
*/
- drm_WARN_ON(dev, intel_phy_is_tc(dev_priv, phy));
+ drm_WARN_ON(dev, intel_encoder_is_tc(intel_encoder));
type = DRM_MODE_CONNECTOR_eDP;
intel_encoder->type = INTEL_OUTPUT_EDP;
@@ -6565,6 +6728,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port,
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
+ intel_connector->sync_state = intel_dp_connector_sync_state;
if (!intel_edp_init_connector(intel_dp, intel_connector)) {
intel_dp_aux_fini(intel_dp);