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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.c240
1 files changed, 170 insertions, 70 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 392c3653d0d7..640c43bf62d4 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -45,12 +45,13 @@
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_fixed.h>
+#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
#include "g4x_dp.h"
-#include "i915_drv.h"
#include "i915_irq.h"
#include "i915_reg.h"
+#include "i915_utils.h"
#include "intel_alpm.h"
#include "intel_atomic.h"
#include "intel_audio.h"
@@ -58,10 +59,12 @@
#include "intel_combo_phy_regs.h"
#include "intel_connector.h"
#include "intel_crtc.h"
+#include "intel_crtc_state_dump.h"
#include "intel_cx0_phy.h"
#include "intel_ddi.h"
#include "intel_de.h"
#include "intel_display_driver.h"
+#include "intel_display_rpm.h"
#include "intel_display_types.h"
#include "intel_dp.h"
#include "intel_dp_aux.h"
@@ -87,12 +90,10 @@
#include "intel_pfit.h"
#include "intel_pps.h"
#include "intel_psr.h"
-#include "intel_runtime_pm.h"
#include "intel_quirks.h"
#include "intel_tc.h"
#include "intel_vdsc.h"
#include "intel_vrr.h"
-#include "intel_crtc_state_dump.h"
/* DP DSC throughput values used for slice count calculations KPixels/s */
#define DP_DSC_PEAK_PIXEL_RATE 2720000
@@ -2523,6 +2524,7 @@ intel_dp_dsc_compute_pipe_bpp_limits(struct intel_dp *intel_dp,
bool
intel_dp_compute_config_limits(struct intel_dp *intel_dp,
+ struct intel_connector *connector,
struct intel_crtc_state *crtc_state,
bool respect_downstream_limits,
bool dsc,
@@ -2576,7 +2578,7 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp,
intel_dp_test_compute_config(intel_dp, crtc_state, limits);
return intel_dp_compute_config_link_bpp_limits(intel_dp,
- intel_dp->attached_connector,
+ connector,
crtc_state,
dsc,
limits);
@@ -2637,7 +2639,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
joiner_needs_dsc = intel_dp_joiner_needs_dsc(display, num_joined_pipes);
dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en ||
- !intel_dp_compute_config_limits(intel_dp, pipe_config,
+ !intel_dp_compute_config_limits(intel_dp, connector, pipe_config,
respect_downstream_limits,
false,
&limits);
@@ -2671,7 +2673,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
str_yes_no(ret), str_yes_no(joiner_needs_dsc),
str_yes_no(intel_dp->force_dsc_en));
- if (!intel_dp_compute_config_limits(intel_dp, pipe_config,
+ if (!intel_dp_compute_config_limits(intel_dp, connector, pipe_config,
respect_downstream_limits,
true,
&limits))
@@ -3104,6 +3106,76 @@ intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state,
}
}
+int intel_dp_compute_min_hblank(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
+{
+ struct intel_display *display = to_intel_display(crtc_state);
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
+ struct intel_connector *connector = to_intel_connector(conn_state->connector);
+ int symbol_size = intel_dp_is_uhbr(crtc_state) ? 32 : 8;
+ /*
+ * min symbol cycles is 3(BS,VBID, BE) for 128b/132b and
+ * 5(BS, VBID, MVID, MAUD, BE) for 8b/10b
+ */
+ int min_sym_cycles = intel_dp_is_uhbr(crtc_state) ? 3 : 5;
+ bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST);
+ int num_joined_pipes = intel_crtc_num_joined_pipes(crtc_state);
+ int min_hblank;
+ int max_lane_count = 4;
+ int hactive_sym_cycles, htotal_sym_cycles;
+ int dsc_slices = 0;
+ int link_bpp_x16;
+
+ if (DISPLAY_VER(display) < 30)
+ return 0;
+
+ /* MIN_HBLANK should be set only for 8b/10b MST or for 128b/132b SST/MST */
+ if (!is_mst && !intel_dp_is_uhbr(crtc_state))
+ return 0;
+
+ if (crtc_state->dsc.compression_enable) {
+ dsc_slices = intel_dp_dsc_get_slice_count(connector,
+ adjusted_mode->crtc_clock,
+ adjusted_mode->crtc_hdisplay,
+ num_joined_pipes);
+ if (!dsc_slices) {
+ drm_dbg(display->drm, "failed to calculate dsc slice count\n");
+ return -EINVAL;
+ }
+ }
+
+ if (crtc_state->dsc.compression_enable)
+ link_bpp_x16 = crtc_state->dsc.compressed_bpp_x16;
+ else
+ link_bpp_x16 = fxp_q4_from_int(intel_dp_output_bpp(crtc_state->output_format,
+ crtc_state->pipe_bpp));
+
+ /* Calculate min Hblank Link Layer Symbol Cycle Count for 8b/10b MST & 128b/132b */
+ hactive_sym_cycles = drm_dp_link_symbol_cycles(max_lane_count,
+ adjusted_mode->hdisplay,
+ dsc_slices,
+ link_bpp_x16,
+ symbol_size, is_mst);
+ htotal_sym_cycles = adjusted_mode->htotal * hactive_sym_cycles /
+ adjusted_mode->hdisplay;
+
+ min_hblank = htotal_sym_cycles - hactive_sym_cycles;
+ /* minimum Hblank calculation: https://groups.vesa.org/wg/DP/document/20494 */
+ min_hblank = max(min_hblank, min_sym_cycles);
+
+ /*
+ * adjust the BlankingStart/BlankingEnd framing control from
+ * the calculated value
+ */
+ min_hblank = min_hblank - 2;
+
+ min_hblank = min(10, min_hblank);
+ crtc_state->min_hblank = min_hblank;
+
+ return 0;
+}
+
int
intel_dp_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
@@ -3203,6 +3275,10 @@ intel_dp_compute_config(struct intel_encoder *encoder,
&pipe_config->dp_m_n);
}
+ ret = intel_dp_compute_min_hblank(pipe_config, conn_state);
+ if (ret)
+ return ret;
+
/* FIXME: abstract this better */
if (pipe_config->splitter.enable)
pipe_config->dp_m_n.data_m *= pipe_config->splitter.link_count;
@@ -3223,7 +3299,7 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp,
int link_rate, int lane_count)
{
memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set));
- intel_dp->link_trained = false;
+ intel_dp->link.active = false;
intel_dp->needs_modeset_retry = false;
intel_dp->link_rate = link_rate;
intel_dp->lane_count = lane_count;
@@ -3587,7 +3663,7 @@ void intel_dp_sync_state(struct intel_encoder *encoder,
if (crtc_state) {
intel_dp_reset_link_params(intel_dp);
intel_dp_set_link_params(intel_dp, crtc_state->port_clock, crtc_state->lane_count);
- intel_dp->link_trained = true;
+ intel_dp->link.active = true;
}
}
@@ -4456,6 +4532,23 @@ intel_dp_mst_disconnect(struct intel_dp *intel_dp)
static bool
intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *esi)
{
+ struct intel_display *display = to_intel_display(intel_dp);
+
+ /*
+ * Display WA for HSD #13013007775: mtl/arl/lnl
+ * Read the sink count and link service IRQ registers in separate
+ * transactions to prevent disconnecting the sink on a TBT link
+ * inadvertently.
+ */
+ if (IS_DISPLAY_VER(display, 14, 20) && !display->platform.battlemage) {
+ if (drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI, esi, 3) != 3)
+ return false;
+
+ /* DP_SINK_COUNT_ESI + 3 == DP_LINK_SERVICE_IRQ_VECTOR_ESI0 */
+ return drm_dp_dpcd_readb(&intel_dp->aux, DP_LINK_SERVICE_IRQ_VECTOR_ESI0,
+ &esi[3]) == 1;
+ }
+
return drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI, esi, 4) == 4;
}
@@ -5005,8 +5098,6 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
bool link_ok = true;
bool reprobe_needed = false;
- drm_WARN_ON_ONCE(display->drm, intel_dp->mst.active_links < 0);
-
for (;;) {
u8 esi[4] = {};
u8 ack[4] = {};
@@ -5021,7 +5112,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
drm_dbg_kms(display->drm, "DPRX ESI: %4ph\n", esi);
- if (intel_dp->mst.active_links > 0 && link_ok &&
+ if (intel_dp_mst_active_streams(intel_dp) > 0 && link_ok &&
esi[3] & LINK_STATUS_CHANGED) {
if (!intel_dp_mst_link_status(intel_dp))
link_ok = false;
@@ -5082,7 +5173,7 @@ intel_dp_needs_link_retrain(struct intel_dp *intel_dp)
{
u8 link_status[DP_LINK_STATUS_SIZE];
- if (!intel_dp->link_trained)
+ if (!intel_dp->link.active)
return false;
/*
@@ -5394,6 +5485,11 @@ intel_dp_short_pulse(struct intel_dp *intel_dp)
intel_psr_short_pulse(intel_dp);
+ if (intel_alpm_get_error(intel_dp)) {
+ intel_alpm_disable(intel_dp);
+ intel_dp->alpm_parameters.sink_alpm_error = true;
+ }
+
if (intel_dp_test_short_pulse(intel_dp))
reprobe_needed = true;
@@ -5829,20 +5925,21 @@ out_vdd_off:
}
static void
-intel_dp_force(struct drm_connector *connector)
+intel_dp_force(struct drm_connector *_connector)
{
- struct intel_display *display = to_intel_display(connector->dev);
- struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
+ struct intel_connector *connector = to_intel_connector(_connector);
+ struct intel_display *display = to_intel_display(connector);
+ struct intel_dp *intel_dp = intel_attached_dp(connector);
drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s]\n",
- connector->base.id, connector->name);
+ connector->base.base.id, connector->base.name);
if (!intel_display_driver_check_access(display))
return;
intel_dp_unset_edid(intel_dp);
- if (connector->status != connector_status_connected)
+ if (connector->base.status != connector_status_connected)
return;
intel_dp_set_edid(intel_dp);
@@ -5881,24 +5978,25 @@ static int intel_dp_get_modes(struct drm_connector *_connector)
}
static int
-intel_dp_connector_register(struct drm_connector *connector)
+intel_dp_connector_register(struct drm_connector *_connector)
{
- struct intel_display *display = to_intel_display(connector->dev);
- struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
+ struct intel_connector *connector = to_intel_connector(_connector);
+ struct intel_display *display = to_intel_display(connector);
+ struct intel_dp *intel_dp = intel_attached_dp(connector);
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
int ret;
- ret = intel_connector_register(connector);
+ ret = intel_connector_register(&connector->base);
if (ret)
return ret;
drm_dbg_kms(display->drm, "registering %s bus for %s\n",
- intel_dp->aux.name, connector->kdev->kobj.name);
+ intel_dp->aux.name, connector->base.kdev->kobj.name);
- intel_dp->aux.dev = connector->kdev;
+ intel_dp->aux.dev = connector->base.kdev;
ret = drm_dp_aux_register(&intel_dp->aux);
if (!ret)
- drm_dp_cec_register_connector(&intel_dp->aux, connector);
+ drm_dp_cec_register_connector(&intel_dp->aux, &connector->base);
if (!intel_bios_encoder_is_lspcon(dig_port->base.devdata))
return ret;
@@ -5909,20 +6007,21 @@ intel_dp_connector_register(struct drm_connector *connector)
*/
if (intel_lspcon_init(dig_port)) {
if (intel_lspcon_detect_hdr_capability(dig_port))
- drm_connector_attach_hdr_output_metadata_property(connector);
+ drm_connector_attach_hdr_output_metadata_property(&connector->base);
}
return ret;
}
static void
-intel_dp_connector_unregister(struct drm_connector *connector)
+intel_dp_connector_unregister(struct drm_connector *_connector)
{
- struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
+ struct intel_connector *connector = to_intel_connector(_connector);
+ struct intel_dp *intel_dp = intel_attached_dp(connector);
drm_dp_cec_unregister_connector(&intel_dp->aux);
drm_dp_aux_unregister(&intel_dp->aux);
- intel_connector_unregister(connector);
+ intel_connector_unregister(&connector->base);
}
void intel_dp_connector_sync_state(struct intel_connector *connector,
@@ -5983,21 +6082,21 @@ static int intel_modeset_tile_group(struct intel_atomic_state *state,
{
struct intel_display *display = to_intel_display(state);
struct drm_connector_list_iter conn_iter;
- struct drm_connector *connector;
+ struct intel_connector *connector;
int ret = 0;
drm_connector_list_iter_begin(display->drm, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
+ for_each_intel_connector_iter(connector, &conn_iter) {
struct drm_connector_state *conn_state;
struct intel_crtc_state *crtc_state;
struct intel_crtc *crtc;
- if (!connector->has_tile ||
- connector->tile_group->id != tile_group_id)
+ if (!connector->base.has_tile ||
+ connector->base.tile_group->id != tile_group_id)
continue;
conn_state = drm_atomic_get_connector_state(&state->base,
- connector);
+ &connector->base);
if (IS_ERR(conn_state)) {
ret = PTR_ERR(conn_state);
break;
@@ -6061,10 +6160,11 @@ static int intel_modeset_affected_transcoders(struct intel_atomic_state *state,
}
static int intel_modeset_synced_crtcs(struct intel_atomic_state *state,
- struct drm_connector *connector)
+ struct drm_connector *_connector)
{
+ struct intel_connector *connector = to_intel_connector(_connector);
const struct drm_connector_state *old_conn_state =
- drm_atomic_get_old_connector_state(&state->base, connector);
+ drm_atomic_get_old_connector_state(&state->base, &connector->base);
const struct intel_crtc_state *old_crtc_state;
struct intel_crtc *crtc;
u8 transcoders;
@@ -6086,17 +6186,18 @@ static int intel_modeset_synced_crtcs(struct intel_atomic_state *state,
transcoders);
}
-static int intel_dp_connector_atomic_check(struct drm_connector *conn,
+static int intel_dp_connector_atomic_check(struct drm_connector *_connector,
struct drm_atomic_state *_state)
{
- struct intel_display *display = to_intel_display(conn->dev);
+ struct intel_connector *connector = to_intel_connector(_connector);
+ struct intel_display *display = to_intel_display(connector);
struct intel_atomic_state *state = to_intel_atomic_state(_state);
- struct drm_connector_state *conn_state = drm_atomic_get_new_connector_state(_state, conn);
- struct intel_connector *intel_conn = to_intel_connector(conn);
- struct intel_dp *intel_dp = enc_to_intel_dp(intel_conn->encoder);
+ struct drm_connector_state *conn_state =
+ drm_atomic_get_new_connector_state(_state, &connector->base);
+ struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
int ret;
- ret = intel_digital_connector_atomic_check(conn, &state->base);
+ ret = intel_digital_connector_atomic_check(&connector->base, &state->base);
if (ret)
return ret;
@@ -6106,12 +6207,12 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn,
return ret;
}
- if (!intel_connector_needs_modeset(state, conn))
+ if (!intel_connector_needs_modeset(state, &connector->base))
return 0;
ret = intel_dp_tunnel_atomic_check_state(state,
intel_dp,
- intel_conn);
+ connector);
if (ret)
return ret;
@@ -6122,26 +6223,26 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn,
if (DISPLAY_VER(display) < 9)
return 0;
- if (conn->has_tile) {
- ret = intel_modeset_tile_group(state, conn->tile_group->id);
+ if (connector->base.has_tile) {
+ ret = intel_modeset_tile_group(state, connector->base.tile_group->id);
if (ret)
return ret;
}
- return intel_modeset_synced_crtcs(state, conn);
+ return intel_modeset_synced_crtcs(state, &connector->base);
}
-static void intel_dp_oob_hotplug_event(struct drm_connector *connector,
+static void intel_dp_oob_hotplug_event(struct drm_connector *_connector,
enum drm_connector_status hpd_state)
{
- struct intel_display *display = to_intel_display(connector->dev);
- struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
- struct drm_i915_private *i915 = to_i915(connector->dev);
+ struct intel_connector *connector = to_intel_connector(_connector);
+ struct intel_display *display = to_intel_display(connector);
+ struct intel_encoder *encoder = intel_attached_encoder(connector);
bool hpd_high = hpd_state == connector_status_connected;
unsigned int hpd_pin = encoder->hpd_pin;
bool need_work = false;
- spin_lock_irq(&i915->irq_lock);
+ spin_lock_irq(&display->irq.lock);
if (hpd_high != test_bit(hpd_pin, &display->hotplug.oob_hotplug_last_state)) {
display->hotplug.event_bits |= BIT(hpd_pin);
@@ -6150,10 +6251,10 @@ static void intel_dp_oob_hotplug_event(struct drm_connector *connector,
hpd_high);
need_work = true;
}
- spin_unlock_irq(&i915->irq_lock);
+ spin_unlock_irq(&display->irq.lock);
if (need_work)
- intel_hpd_schedule_detection(i915);
+ intel_hpd_schedule_detection(display);
}
static const struct drm_connector_funcs intel_dp_connector_funcs = {
@@ -6180,13 +6281,12 @@ enum irqreturn
intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd)
{
struct intel_display *display = to_intel_display(dig_port);
- struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
struct intel_dp *intel_dp = &dig_port->dp;
u8 dpcd[DP_RECEIVER_CAP_SIZE];
if (dig_port->base.type == INTEL_OUTPUT_EDP &&
(long_hpd ||
- intel_runtime_pm_suspended(&i915->runtime_pm) ||
+ intel_display_rpm_suspended(display) ||
!intel_pps_have_panel_power_or_vdd(intel_dp))) {
/*
* vdd off can generate a long/short pulse on eDP which
@@ -6283,36 +6383,37 @@ intel_dp_has_gamut_metadata_dip(struct intel_encoder *encoder)
}
static void
-intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector)
+intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *_connector)
{
+ struct intel_connector *connector = to_intel_connector(_connector);
struct intel_display *display = to_intel_display(intel_dp);
enum port port = dp_to_dig_port(intel_dp)->base.port;
if (!intel_dp_is_edp(intel_dp))
- drm_connector_attach_dp_subconnector_property(connector);
+ drm_connector_attach_dp_subconnector_property(&connector->base);
if (!display->platform.g4x && port != PORT_A)
- intel_attach_force_audio_property(connector);
+ intel_attach_force_audio_property(&connector->base);
- intel_attach_broadcast_rgb_property(connector);
+ intel_attach_broadcast_rgb_property(&connector->base);
if (HAS_GMCH(display))
- drm_connector_attach_max_bpc_property(connector, 6, 10);
+ drm_connector_attach_max_bpc_property(&connector->base, 6, 10);
else if (DISPLAY_VER(display) >= 5)
- drm_connector_attach_max_bpc_property(connector, 6, 12);
+ drm_connector_attach_max_bpc_property(&connector->base, 6, 12);
/* Register HDMI colorspace for case of lspcon */
if (intel_bios_encoder_is_lspcon(dp_to_dig_port(intel_dp)->base.devdata)) {
- drm_connector_attach_content_type_property(connector);
- intel_attach_hdmi_colorspace_property(connector);
+ drm_connector_attach_content_type_property(&connector->base);
+ intel_attach_hdmi_colorspace_property(&connector->base);
} else {
- intel_attach_dp_colorspace_property(connector);
+ intel_attach_dp_colorspace_property(&connector->base);
}
if (intel_dp_has_gamut_metadata_dip(&dp_to_dig_port(intel_dp)->base))
- drm_connector_attach_hdr_output_metadata_property(connector);
+ drm_connector_attach_hdr_output_metadata_property(&connector->base);
if (HAS_VRR(display))
- drm_connector_attach_vrr_capable_property(connector);
+ drm_connector_attach_vrr_capable_property(&connector->base);
}
static void
@@ -6347,7 +6448,6 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
struct intel_connector *connector)
{
struct intel_display *display = to_intel_display(intel_dp);
- struct drm_i915_private *dev_priv = to_i915(display->drm);
struct drm_display_mode *fixed_mode;
struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
bool has_dpcd;
@@ -6362,9 +6462,9 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
* eDP and LVDS bail out early in this case to prevent interfering
* with an already powered-on LVDS power sequencer.
*/
- if (intel_get_lvds_encoder(dev_priv)) {
+ if (intel_get_lvds_encoder(display)) {
drm_WARN_ON(display->drm,
- !(HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv)));
+ !(HAS_PCH_IBX(display) || HAS_PCH_CPT(display)));
drm_info(display->drm,
"LVDS was detected, not registering eDP\n");
@@ -6395,7 +6495,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
*/
intel_hpd_enable_detection(encoder);
- intel_alpm_init_dpcd(intel_dp);
+ intel_alpm_init(intel_dp);
/* Cache DPCD and EDID for edp. */
has_dpcd = intel_edp_init_dpcd(intel_dp, connector);