[Intel-gfx] [PATCH v2 07/12] drm/i915/dp: Add link training debug and error printing helpers
Imre Deak
imre.deak at intel.com
Fri May 5 12:07:35 UTC 2023
On Fri, May 05, 2023 at 11:51:51AM +0300, Jani Nikula wrote:
> On Thu, 04 May 2023, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
> > On Thu, May 04, 2023 at 02:10:43AM +0300, Imre Deak wrote:
> >> Add functions for printing link training debug and error messages, both
> >> to prepare for the next patch, which downgrades an error to a debug
> >> message if the sink is disconnected and to remove some code duplication.
> >>
> >> v2: (Ville)
> >> - Always print the connector prefix.
> >> - Preserve the drm_dbg_kms() debug category.
> >>
> >> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >> Signed-off-by: Imre Deak <imre.deak at intel.com>
> >
> > While I don't really like the custom debug infrastructure I can't
> > immediately see any really better way to do this.
>
> To avoid any confusion, NAK on this patch.
>
> For one thing, I'm firmly in the same camp with the custom debug
> wrappers. I hate it that gem/gt has started adding their own wrappers,
> and as you add one as an example, it just expands from there. We now
> have tons. I think it's enough that we have *drm* specific wrappers.
>
> That said, I could've lived with this one, as it's limited to within a
> file (though I know that can change all too quickly if we're not
> vigilant).
>
> The reason for rejecting this altogether is in the
> implementation. Having an extra function in there makes the function
> name debugging in __drm_dev_dbg() (where all this leads to after the
> onion has been peeled) result in:
>
> <7>[ 35.817968] i915 0000:00:02.0: [drm:lt_msg [i915]] [CONNECTOR:119:DP-2][ENCODER:118:DDI E/PHY E][DPRX] Using LINK_BW_SET value 0a
> <7>[ 35.818535] i915 0000:00:02.0: [drm:lt_msg [i915]] [CONNECTOR:119:DP-2][ENCODER:118:DDI E/PHY E][DPRX] 8b/10b, lanes: 2, vswing levels: 0/0/0/0, pre-emphasis levels: 0/0/0/0
> <7>[ 35.818685] i915 0000:00:02.0: [drm:hsw_set_signal_levels [i915]] Using signal levels 00000000
> <7>[ 35.818841] i915 0000:00:02.0: [drm:lt_msg [i915]] [CONNECTOR:119:DP-2][ENCODER:118:DDI E/PHY E][DPRX] Using DP training pattern TPS1
> <7>[ 35.819990] i915 0000:00:02.0: [drm:lt_msg [i915]] [CONNECTOR:119:DP-2][ENCODER:118:DDI E/PHY E][DPRX] Clock recovery OK
> <7>[ 35.820146] i915 0000:00:02.0: [drm:lt_msg [i915]] [CONNECTOR:119:DP-2][ENCODER:118:DDI E/PHY E][DPRX] Using DP training pattern TPS2
> <7>[ 35.821886] i915 0000:00:02.0: [drm:lt_msg [i915]] [CONNECTOR:119:DP-2][ENCODER:118:DDI E/PHY E][DPRX] Channel EQ done. DP Training successful
> <7>[ 35.822035] i915 0000:00:02.0: [drm:lt_msg [i915]] [CONNECTOR:119:DP-2][ENCODER:118:DDI E/PHY E][DPRX] Link Training passed at link rate = 270000, lane count = 2
>
> And that's just useless.
>
> I don't want it fixed with some __always_inline hack either.
>
> Back to the drawing board, I'm afraid.
Ok, looking for a way to have the caller function printed as a prefix
instead, any good idea for that is welcome.
>
>
> BR,
> Jani.
>
>
> >
> > Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >
> >> ---
> >> .../drm/i915/display/intel_dp_link_training.c | 387 +++++++-----------
> >> 1 file changed, 140 insertions(+), 247 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> >> index e92c62bcc9b85..f83944eaac128 100644
> >> --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> >> +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> >> @@ -26,6 +26,43 @@
> >> #include "intel_dp.h"
> >> #include "intel_dp_link_training.h"
> >>
> >> +__printf(4, 5)
> >> +static void lt_msg(struct intel_dp *intel_dp, enum drm_dp_phy dp_phy,
> >> + bool is_error, const char *format, ...)
> >> +{
> >> + struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> >> + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> + struct intel_connector *connector = intel_dp->attached_connector;
> >> + struct va_format vaf;
> >> + va_list args;
> >> +
> >> + if (drm_WARN_ON(&i915->drm, !connector))
> >> + return;
> >> +
> >> + va_start(args, format);
> >> + vaf.fmt = format;
> >> + vaf.va = &args;
> >> +
> >> + if (is_error)
> >> + drm_err(&i915->drm, "[CONNECTOR:%d:%s][ENCODER:%d:%s][%s] %pV\n",
> >> + connector->base.base.id, connector->base.name,
> >> + encoder->base.base.id, encoder->base.name,
> >> + drm_dp_phy_name(dp_phy),
> >> + &vaf);
> >> + else
> >> + drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s][ENCODER:%d:%s][%s] %pV\n",
> >> + connector->base.base.id, connector->base.name,
> >> + encoder->base.base.id, encoder->base.name,
> >> + drm_dp_phy_name(dp_phy),
> >> + &vaf);
> >> +}
> >> +
> >> +#define lt_err(intel_dp, dp_phy, format, ...) \
> >> + lt_msg(intel_dp, dp_phy, true, format, ## __VA_ARGS__)
> >> +
> >> +#define lt_dbg(intel_dp, dp_phy, format, ...) \
> >> + lt_msg(intel_dp, dp_phy, false, format, ## __VA_ARGS__)
> >> +
> >> static void intel_dp_reset_lttpr_common_caps(struct intel_dp *intel_dp)
> >> {
> >> memset(intel_dp->lttpr_common_caps, 0, sizeof(intel_dp->lttpr_common_caps));
> >> @@ -47,29 +84,21 @@ static void intel_dp_read_lttpr_phy_caps(struct intel_dp *intel_dp,
> >> const u8 dpcd[DP_RECEIVER_CAP_SIZE],
> >> enum drm_dp_phy dp_phy)
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> u8 *phy_caps = intel_dp_lttpr_phy_caps(intel_dp, dp_phy);
> >>
> >> if (drm_dp_read_lttpr_phy_caps(&intel_dp->aux, dpcd, dp_phy, phy_caps) < 0) {
> >> - drm_dbg_kms(&dp_to_i915(intel_dp)->drm,
> >> - "[ENCODER:%d:%s][%s] failed to read the PHY caps\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_dbg(intel_dp, dp_phy, "failed to read the PHY caps\n");
> >> return;
> >> }
> >>
> >> - drm_dbg_kms(&dp_to_i915(intel_dp)->drm,
> >> - "[ENCODER:%d:%s][%s] PHY capabilities: %*ph\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - (int)sizeof(intel_dp->lttpr_phy_caps[0]),
> >> - phy_caps);
> >> + lt_dbg(intel_dp, dp_phy, "PHY capabilities: %*ph\n",
> >> + (int)sizeof(intel_dp->lttpr_phy_caps[0]),
> >> + phy_caps);
> >> }
> >>
> >> static bool intel_dp_read_lttpr_common_caps(struct intel_dp *intel_dp,
> >> const u8 dpcd[DP_RECEIVER_CAP_SIZE])
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> int ret;
> >>
> >> ret = drm_dp_read_lttpr_common_caps(&intel_dp->aux, dpcd,
> >> @@ -77,11 +106,9 @@ static bool intel_dp_read_lttpr_common_caps(struct intel_dp *intel_dp,
> >> if (ret < 0)
> >> goto reset_caps;
> >>
> >> - drm_dbg_kms(&dp_to_i915(intel_dp)->drm,
> >> - "[ENCODER:%d:%s] LTTPR common capabilities: %*ph\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - (int)sizeof(intel_dp->lttpr_common_caps),
> >> - intel_dp->lttpr_common_caps);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "LTTPR common capabilities: %*ph\n",
> >> + (int)sizeof(intel_dp->lttpr_common_caps),
> >> + intel_dp->lttpr_common_caps);
> >>
> >> /* The minimum value of LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV is 1.4 */
> >> if (intel_dp->lttpr_common_caps[0] < 0x14)
> >> @@ -105,8 +132,6 @@ intel_dp_set_lttpr_transparent_mode(struct intel_dp *intel_dp, bool enable)
> >>
> >> static int intel_dp_init_lttpr(struct intel_dp *intel_dp, const u8 dpcd[DP_RECEIVER_CAP_SIZE])
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> int lttpr_count;
> >> int i;
> >>
> >> @@ -138,9 +163,8 @@ static int intel_dp_init_lttpr(struct intel_dp *intel_dp, const u8 dpcd[DP_RECEI
> >> return 0;
> >>
> >> if (!intel_dp_set_lttpr_transparent_mode(intel_dp, false)) {
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s] Switching to LTTPR non-transparent LT mode failed, fall-back to transparent mode\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX,
> >> + "Switching to LTTPR non-transparent LT mode failed, fall-back to transparent mode\n");
> >>
> >> intel_dp_set_lttpr_transparent_mode(intel_dp, true);
> >> intel_dp_reset_lttpr_count(intel_dp);
> >> @@ -409,26 +433,22 @@ intel_dp_get_adjust_train(struct intel_dp *intel_dp,
> >> enum drm_dp_phy dp_phy,
> >> const u8 link_status[DP_LINK_STATUS_SIZE])
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> int lane;
> >>
> >> if (intel_dp_is_uhbr(crtc_state)) {
> >> - drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s][%s] 128b/132b, lanes: %d, "
> >> - "TX FFE request: " TRAIN_REQ_FMT "\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - crtc_state->lane_count,
> >> - TRAIN_REQ_TX_FFE_ARGS(link_status));
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "128b/132b, lanes: %d, "
> >> + "TX FFE request: " TRAIN_REQ_FMT "\n",
> >> + crtc_state->lane_count,
> >> + TRAIN_REQ_TX_FFE_ARGS(link_status));
> >> } else {
> >> - drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s][%s] 8b/10b, lanes: %d, "
> >> - "vswing request: " TRAIN_REQ_FMT ", "
> >> - "pre-emphasis request: " TRAIN_REQ_FMT "\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - crtc_state->lane_count,
> >> - TRAIN_REQ_VSWING_ARGS(link_status),
> >> - TRAIN_REQ_PREEMPH_ARGS(link_status));
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "8b/10b, lanes: %d, "
> >> + "vswing request: " TRAIN_REQ_FMT ", "
> >> + "pre-emphasis request: " TRAIN_REQ_FMT "\n",
> >> + crtc_state->lane_count,
> >> + TRAIN_REQ_VSWING_ARGS(link_status),
> >> + TRAIN_REQ_PREEMPH_ARGS(link_status));
> >> }
> >>
> >> for (lane = 0; lane < 4; lane++)
> >> @@ -487,16 +507,11 @@ intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
> >> enum drm_dp_phy dp_phy,
> >> u8 dp_train_pat)
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> u8 train_pat = intel_dp_training_pattern_symbol(dp_train_pat);
> >>
> >> if (train_pat != DP_TRAINING_PATTERN_DISABLE)
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Using DP training pattern TPS%c\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - dp_training_pattern_name(train_pat));
> >> + lt_dbg(intel_dp, dp_phy, "Using DP training pattern TPS%c\n",
> >> + dp_training_pattern_name(train_pat));
> >>
> >> intel_dp->set_link_train(intel_dp, crtc_state, dp_train_pat);
> >> }
> >> @@ -531,24 +546,21 @@ void intel_dp_set_signal_levels(struct intel_dp *intel_dp,
> >> enum drm_dp_phy dp_phy)
> >> {
> >> struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >>
> >> if (intel_dp_is_uhbr(crtc_state)) {
> >> - drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s][%s] 128b/132b, lanes: %d, "
> >> - "TX FFE presets: " TRAIN_SET_FMT "\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - crtc_state->lane_count,
> >> - TRAIN_SET_TX_FFE_ARGS(intel_dp->train_set));
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "128b/132b, lanes: %d, "
> >> + "TX FFE presets: " TRAIN_SET_FMT "\n",
> >> + crtc_state->lane_count,
> >> + TRAIN_SET_TX_FFE_ARGS(intel_dp->train_set));
> >> } else {
> >> - drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s][%s] 8b/10b, lanes: %d, "
> >> - "vswing levels: " TRAIN_SET_FMT ", "
> >> - "pre-emphasis levels: " TRAIN_SET_FMT "\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - crtc_state->lane_count,
> >> - TRAIN_SET_VSWING_ARGS(intel_dp->train_set),
> >> - TRAIN_SET_PREEMPH_ARGS(intel_dp->train_set));
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "8b/10b, lanes: %d, "
> >> + "vswing levels: " TRAIN_SET_FMT ", "
> >> + "pre-emphasis levels: " TRAIN_SET_FMT "\n",
> >> + crtc_state->lane_count,
> >> + TRAIN_SET_VSWING_ARGS(intel_dp->train_set),
> >> + TRAIN_SET_PREEMPH_ARGS(intel_dp->train_set));
> >> }
> >>
> >> if (intel_dp_phy_is_downstream_of_source(intel_dp, dp_phy))
> >> @@ -677,8 +689,6 @@ static bool
> >> intel_dp_prepare_link_train(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> u8 link_bw, rate_select;
> >>
> >> if (intel_dp->prepare_link_retrain)
> >> @@ -699,24 +709,21 @@ intel_dp_prepare_link_train(struct intel_dp *intel_dp,
> >> * link rates are not stable.
> >> */
> >> if (!link_bw) {
> >> - struct intel_connector *connector = intel_dp->attached_connector;
> >> __le16 sink_rates[DP_MAX_SUPPORTED_RATES];
> >>
> >> - drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] Reloading eDP link rates\n",
> >> - connector->base.base.id, connector->base.name);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "Reloading eDP link rates\n");
> >>
> >> drm_dp_dpcd_read(&intel_dp->aux, DP_SUPPORTED_LINK_RATES,
> >> sink_rates, sizeof(sink_rates));
> >> }
> >>
> >> if (link_bw)
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s] Using LINK_BW_SET value %02x\n",
> >> - encoder->base.base.id, encoder->base.name, link_bw);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "Using LINK_BW_SET value %02x\n",
> >> + link_bw);
> >> else
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s] Using LINK_RATE_SET value %02x\n",
> >> - encoder->base.base.id, encoder->base.name, rate_select);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX,
> >> + "Using LINK_RATE_SET value %02x\n",
> >> + rate_select);
> >> /*
> >> * Spec DP2.1 Section 3.5.2.16
> >> * Prior to LT DPTX should set 128b/132b DP Channel coding and then set link rate
> >> @@ -758,15 +765,10 @@ void
> >> intel_dp_dump_link_status(struct intel_dp *intel_dp, enum drm_dp_phy dp_phy,
> >> const u8 link_status[DP_LINK_STATUS_SIZE])
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> -
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] ln0_1:0x%x ln2_3:0x%x align:0x%x sink:0x%x adj_req0_1:0x%x adj_req2_3:0x%x\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - link_status[0], link_status[1], link_status[2],
> >> - link_status[3], link_status[4], link_status[5]);
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "ln0_1:0x%x ln2_3:0x%x align:0x%x sink:0x%x adj_req0_1:0x%x adj_req2_3:0x%x\n",
> >> + link_status[0], link_status[1], link_status[2],
> >> + link_status[3], link_status[4], link_status[5]);
> >> }
> >>
> >> /*
> >> @@ -778,8 +780,6 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state,
> >> enum drm_dp_phy dp_phy)
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> u8 old_link_status[DP_LINK_STATUS_SIZE] = {};
> >> int voltage_tries, cr_tries, max_cr_tries;
> >> u8 link_status[DP_LINK_STATUS_SIZE];
> >> @@ -794,9 +794,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp,
> >> if (!intel_dp_reset_link_train(intel_dp, crtc_state, dp_phy,
> >> DP_TRAINING_PATTERN_1 |
> >> DP_LINK_SCRAMBLING_DISABLE)) {
> >> - drm_err(&i915->drm, "[ENCODER:%d:%s][%s] Failed to enable link training\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_err(intel_dp, dp_phy, "Failed to enable link training\n");
> >> return false;
> >> }
> >>
> >> @@ -819,35 +817,24 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp,
> >>
> >> if (drm_dp_dpcd_read_phy_link_status(&intel_dp->aux, dp_phy,
> >> link_status) < 0) {
> >> - drm_err(&i915->drm, "[ENCODER:%d:%s][%s] Failed to get link status\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_err(intel_dp, dp_phy, "Failed to get link status\n");
> >> return false;
> >> }
> >>
> >> if (drm_dp_clock_recovery_ok(link_status, crtc_state->lane_count)) {
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Clock recovery OK\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_dbg(intel_dp, dp_phy, "Clock recovery OK\n");
> >> return true;
> >> }
> >>
> >> if (voltage_tries == 5) {
> >> intel_dp_dump_link_status(intel_dp, dp_phy, link_status);
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Same voltage tried 5 times\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_dbg(intel_dp, dp_phy, "Same voltage tried 5 times\n");
> >> return false;
> >> }
> >>
> >> if (max_vswing_reached) {
> >> intel_dp_dump_link_status(intel_dp, dp_phy, link_status);
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Max Voltage Swing reached\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_dbg(intel_dp, dp_phy, "Max Voltage Swing reached\n");
> >> return false;
> >> }
> >>
> >> @@ -855,10 +842,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp,
> >> intel_dp_get_adjust_train(intel_dp, crtc_state, dp_phy,
> >> link_status);
> >> if (!intel_dp_update_link_train(intel_dp, crtc_state, dp_phy)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Failed to update link training\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_err(intel_dp, dp_phy, "Failed to update link training\n");
> >> return false;
> >> }
> >>
> >> @@ -874,10 +858,8 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp,
> >> }
> >>
> >> intel_dp_dump_link_status(intel_dp, dp_phy, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Failed clock recovery %d times, giving up!\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy), max_cr_tries);
> >> + lt_err(intel_dp, dp_phy, "Failed clock recovery %d times, giving up!\n",
> >> + max_cr_tries);
> >>
> >> return false;
> >> }
> >> @@ -911,11 +893,11 @@ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp,
> >> return DP_TRAINING_PATTERN_4;
> >> } else if (crtc_state->port_clock == 810000) {
> >> if (!source_tps4)
> >> - drm_dbg_kms(&i915->drm,
> >> - "8.1 Gbps link rate without source TPS4 support\n");
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "8.1 Gbps link rate without source TPS4 support\n");
> >> if (!sink_tps4)
> >> - drm_dbg_kms(&i915->drm,
> >> - "8.1 Gbps link rate without sink TPS4 support\n");
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "8.1 Gbps link rate without sink TPS4 support\n");
> >> }
> >>
> >> /*
> >> @@ -929,11 +911,11 @@ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp,
> >> return DP_TRAINING_PATTERN_3;
> >> } else if (crtc_state->port_clock >= 540000) {
> >> if (!source_tps3)
> >> - drm_dbg_kms(&i915->drm,
> >> - ">=5.4/6.48 Gbps link rate without source TPS3 support\n");
> >> + lt_dbg(intel_dp, dp_phy,
> >> + ">=5.4/6.48 Gbps link rate without source TPS3 support\n");
> >> if (!sink_tps3)
> >> - drm_dbg_kms(&i915->drm,
> >> - ">=5.4/6.48 Gbps link rate without sink TPS3 support\n");
> >> + lt_dbg(intel_dp, dp_phy,
> >> + ">=5.4/6.48 Gbps link rate without sink TPS3 support\n");
> >> }
> >>
> >> return DP_TRAINING_PATTERN_2;
> >> @@ -949,8 +931,6 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state,
> >> enum drm_dp_phy dp_phy)
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> int tries;
> >> u32 training_pattern;
> >> u8 link_status[DP_LINK_STATUS_SIZE];
> >> @@ -969,10 +949,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
> >> /* channel equalization */
> >> if (!intel_dp_set_link_train(intel_dp, crtc_state, dp_phy,
> >> training_pattern)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Failed to start channel equalization\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_err(intel_dp, dp_phy, "Failed to start channel equalization\n");
> >> return false;
> >> }
> >>
> >> @@ -981,10 +958,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
> >>
> >> if (drm_dp_dpcd_read_phy_link_status(&intel_dp->aux, dp_phy,
> >> link_status) < 0) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Failed to get link status\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_err(intel_dp, dp_phy, "Failed to get link status\n");
> >> break;
> >> }
> >>
> >> @@ -992,21 +966,15 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
> >> if (!drm_dp_clock_recovery_ok(link_status,
> >> crtc_state->lane_count)) {
> >> intel_dp_dump_link_status(intel_dp, dp_phy, link_status);
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Clock recovery check failed, cannot "
> >> - "continue channel equalization\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "Clock recovery check failed, cannot continue channel equalization\n");
> >> break;
> >> }
> >>
> >> if (drm_dp_channel_eq_ok(link_status,
> >> crtc_state->lane_count)) {
> >> channel_eq = true;
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Channel EQ done. DP Training successful\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_dbg(intel_dp, dp_phy, "Channel EQ done. DP Training successful\n");
> >> break;
> >> }
> >>
> >> @@ -1014,10 +982,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
> >> intel_dp_get_adjust_train(intel_dp, crtc_state, dp_phy,
> >> link_status);
> >> if (!intel_dp_update_link_train(intel_dp, crtc_state, dp_phy)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Failed to update link training\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_err(intel_dp, dp_phy, "Failed to update link training\n");
> >> break;
> >> }
> >> }
> >> @@ -1025,10 +990,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
> >> /* Try 5 times, else fail and try at lower BW */
> >> if (tries == 5) {
> >> intel_dp_dump_link_status(intel_dp, dp_phy, link_status);
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s][%s] Channel equalization failed 5 times\n",
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy));
> >> + lt_dbg(intel_dp, dp_phy, "Channel equalization failed 5 times\n");
> >> }
> >>
> >> return channel_eq;
> >> @@ -1047,13 +1009,12 @@ static int
> >> intel_dp_128b132b_intra_hop(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> - struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> >> u8 sink_status;
> >> int ret;
> >>
> >> ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_SINK_STATUS, &sink_status);
> >> if (ret != 1) {
> >> - drm_dbg_kms(&i915->drm, "Failed to read sink status\n");
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "Failed to read sink status\n");
> >> return ret < 0 ? ret : -EIO;
> >> }
> >>
> >> @@ -1079,9 +1040,6 @@ intel_dp_128b132b_intra_hop(struct intel_dp *intel_dp,
> >> void intel_dp_stop_link_train(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> - struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> -
> >> intel_dp->link_trained = true;
> >>
> >> intel_dp_disable_dpcd_training_pattern(intel_dp, DP_PHY_DPRX);
> >> @@ -1090,9 +1048,7 @@ void intel_dp_stop_link_train(struct intel_dp *intel_dp,
> >>
> >> if (intel_dp_is_uhbr(crtc_state) &&
> >> wait_for(intel_dp_128b132b_intra_hop(intel_dp, crtc_state) == 0, 500)) {
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s] 128b/132b intra-hop not clearing\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "128b/132b intra-hop not clearing\n");
> >> }
> >> }
> >>
> >> @@ -1101,8 +1057,6 @@ intel_dp_link_train_phy(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state,
> >> enum drm_dp_phy dp_phy)
> >> {
> >> - struct intel_connector *connector = intel_dp->attached_connector;
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> bool ret = false;
> >>
> >> if (!intel_dp_link_training_clock_recovery(intel_dp, crtc_state, dp_phy))
> >> @@ -1114,13 +1068,10 @@ intel_dp_link_train_phy(struct intel_dp *intel_dp,
> >> ret = true;
> >>
> >> out:
> >> - drm_dbg_kms(&dp_to_i915(intel_dp)->drm,
> >> - "[CONNECTOR:%d:%s][ENCODER:%d:%s][%s] Link Training %s at link rate = %d, lane count = %d\n",
> >> - connector->base.base.id, connector->base.name,
> >> - encoder->base.base.id, encoder->base.name,
> >> - drm_dp_phy_name(dp_phy),
> >> - ret ? "passed" : "failed",
> >> - crtc_state->port_clock, crtc_state->lane_count);
> >> + lt_dbg(intel_dp, dp_phy,
> >> + "Link Training %s at link rate = %d, lane count = %d\n",
> >> + ret ? "passed" : "failed",
> >> + crtc_state->port_clock, crtc_state->lane_count);
> >>
> >> return ret;
> >> }
> >> @@ -1129,13 +1080,10 @@ static void intel_dp_schedule_fallback_link_training(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> struct intel_connector *intel_connector = intel_dp->attached_connector;
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >>
> >> if (intel_dp->hobl_active) {
> >> - drm_dbg_kms(&dp_to_i915(intel_dp)->drm,
> >> - "[ENCODER:%d:%s] Link Training failed with HOBL active, "
> >> - "not enabling it from now on",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX,
> >> + "Link Training failed with HOBL active, not enabling it from now on\n");
> >> intel_dp->hobl_failed = true;
> >> } else if (intel_dp_get_link_train_fallback_values(intel_dp,
> >> crtc_state->port_clock,
> >> @@ -1182,8 +1130,6 @@ static bool
> >> intel_dp_128b132b_lane_eq(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> u8 link_status[DP_LINK_STATUS_SIZE];
> >> int delay_us;
> >> int try, max_tries = 20;
> >> @@ -1198,9 +1144,7 @@ intel_dp_128b132b_lane_eq(struct intel_dp *intel_dp,
> >> */
> >> if (!intel_dp_reset_link_train(intel_dp, crtc_state, DP_PHY_DPRX,
> >> DP_TRAINING_PATTERN_1)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to start 128b/132b TPS1\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to start 128b/132b TPS1\n");
> >> return false;
> >> }
> >>
> >> @@ -1208,27 +1152,21 @@ intel_dp_128b132b_lane_eq(struct intel_dp *intel_dp,
> >>
> >> /* Read the initial TX FFE settings. */
> >> if (drm_dp_dpcd_read_link_status(&intel_dp->aux, link_status) < 0) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to read TX FFE presets\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to read TX FFE presets\n");
> >> return false;
> >> }
> >>
> >> /* Update signal levels and training set as requested. */
> >> intel_dp_get_adjust_train(intel_dp, crtc_state, DP_PHY_DPRX, link_status);
> >> if (!intel_dp_update_link_train(intel_dp, crtc_state, DP_PHY_DPRX)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to set initial TX FFE settings\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to set initial TX FFE settings\n");
> >> return false;
> >> }
> >>
> >> /* Start transmitting 128b/132b TPS2. */
> >> if (!intel_dp_set_link_train(intel_dp, crtc_state, DP_PHY_DPRX,
> >> DP_TRAINING_PATTERN_2)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to start 128b/132b TPS2\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to start 128b/132b TPS2\n");
> >> return false;
> >> }
> >>
> >> @@ -1245,32 +1183,25 @@ intel_dp_128b132b_lane_eq(struct intel_dp *intel_dp,
> >> delay_us = drm_dp_128b132b_read_aux_rd_interval(&intel_dp->aux);
> >>
> >> if (drm_dp_dpcd_read_link_status(&intel_dp->aux, link_status) < 0) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to read link status\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to read link status\n");
> >> return false;
> >> }
> >>
> >> if (drm_dp_128b132b_link_training_failed(link_status)) {
> >> intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Downstream link training failure\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX,
> >> + "Downstream link training failure\n");
> >> return false;
> >> }
> >>
> >> if (drm_dp_128b132b_lane_channel_eq_done(link_status, crtc_state->lane_count)) {
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s] Lane channel eq done\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "Lane channel eq done\n");
> >> break;
> >> }
> >>
> >> if (timeout) {
> >> intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Lane channel eq timeout\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Lane channel eq timeout\n");
> >> return false;
> >> }
> >>
> >> @@ -1280,18 +1211,14 @@ intel_dp_128b132b_lane_eq(struct intel_dp *intel_dp,
> >> /* Update signal levels and training set as requested. */
> >> intel_dp_get_adjust_train(intel_dp, crtc_state, DP_PHY_DPRX, link_status);
> >> if (!intel_dp_update_link_train(intel_dp, crtc_state, DP_PHY_DPRX)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to update TX FFE settings\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to update TX FFE settings\n");
> >> return false;
> >> }
> >> }
> >>
> >> if (try == max_tries) {
> >> intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Max loop count reached\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Max loop count reached\n");
> >> return false;
> >> }
> >>
> >> @@ -1300,32 +1227,24 @@ intel_dp_128b132b_lane_eq(struct intel_dp *intel_dp,
> >> timeout = true; /* try one last time after deadline */
> >>
> >> if (drm_dp_dpcd_read_link_status(&intel_dp->aux, link_status) < 0) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to read link status\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to read link status\n");
> >> return false;
> >> }
> >>
> >> if (drm_dp_128b132b_link_training_failed(link_status)) {
> >> intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Downstream link training failure\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Downstream link training failure\n");
> >> return false;
> >> }
> >>
> >> if (drm_dp_128b132b_eq_interlane_align_done(link_status)) {
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s] Interlane align done\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "Interlane align done\n");
> >> break;
> >> }
> >>
> >> if (timeout) {
> >> intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Interlane align timeout\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Interlane align timeout\n");
> >> return false;
> >> }
> >>
> >> @@ -1343,16 +1262,12 @@ intel_dp_128b132b_lane_cds(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state,
> >> int lttpr_count)
> >> {
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> >> u8 link_status[DP_LINK_STATUS_SIZE];
> >> unsigned long deadline;
> >>
> >> if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TRAINING_PATTERN_SET,
> >> DP_TRAINING_PATTERN_2_CDS) != 1) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to start 128b/132b TPS2 CDS\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to start 128b/132b TPS2 CDS\n");
> >> return false;
> >> }
> >>
> >> @@ -1368,34 +1283,26 @@ intel_dp_128b132b_lane_cds(struct intel_dp *intel_dp,
> >> usleep_range(2000, 3000);
> >>
> >> if (drm_dp_dpcd_read_link_status(&intel_dp->aux, link_status) < 0) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Failed to read link status\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Failed to read link status\n");
> >> return false;
> >> }
> >>
> >> if (drm_dp_128b132b_eq_interlane_align_done(link_status) &&
> >> drm_dp_128b132b_cds_interlane_align_done(link_status) &&
> >> drm_dp_128b132b_lane_symbol_locked(link_status, crtc_state->lane_count)) {
> >> - drm_dbg_kms(&i915->drm,
> >> - "[ENCODER:%d:%s] CDS interlane align done\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "CDS interlane align done\n");
> >> break;
> >> }
> >>
> >> if (drm_dp_128b132b_link_training_failed(link_status)) {
> >> intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] Downstream link training failure\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "Downstream link training failure\n");
> >> return false;
> >> }
> >>
> >> if (timeout) {
> >> intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] CDS timeout\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "CDS timeout\n");
> >> return false;
> >> }
> >> }
> >> @@ -1411,15 +1318,10 @@ intel_dp_128b132b_link_train(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state,
> >> int lttpr_count)
> >> {
> >> - struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> >> - struct intel_connector *connector = intel_dp->attached_connector;
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> bool passed = false;
> >>
> >> if (wait_for(intel_dp_128b132b_intra_hop(intel_dp, crtc_state) == 0, 500)) {
> >> - drm_err(&i915->drm,
> >> - "[ENCODER:%d:%s] 128b/132b intra-hop not clear\n",
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_err(intel_dp, DP_PHY_DPRX, "128b/132b intra-hop not clear\n");
> >> return false;
> >> }
> >>
> >> @@ -1427,12 +1329,10 @@ intel_dp_128b132b_link_train(struct intel_dp *intel_dp,
> >> intel_dp_128b132b_lane_cds(intel_dp, crtc_state, lttpr_count))
> >> passed = true;
> >>
> >> - drm_dbg_kms(&i915->drm,
> >> - "[CONNECTOR:%d:%s][ENCODER:%d:%s] 128b/132b Link Training %s at link rate = %d, lane count = %d\n",
> >> - connector->base.base.id, connector->base.name,
> >> - encoder->base.base.id, encoder->base.name,
> >> - passed ? "passed" : "failed",
> >> - crtc_state->port_clock, crtc_state->lane_count);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX,
> >> + "128b/132b Link Training %s at link rate = %d, lane count = %d\n",
> >> + passed ? "passed" : "failed",
> >> + crtc_state->port_clock, crtc_state->lane_count);
> >>
> >> return passed;
> >> }
> >> @@ -1451,8 +1351,6 @@ void intel_dp_start_link_train(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> >> - struct intel_connector *connector = intel_dp->attached_connector;
> >> - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> >> bool passed;
> >>
> >> /*
> >> @@ -1485,10 +1383,7 @@ void intel_dp_start_link_train(struct intel_dp *intel_dp,
> >> * ignore_long_hpd flag can unset from the testcase.
> >> */
> >> if (!passed && i915->display.hotplug.ignore_long_hpd) {
> >> - drm_dbg_kms(&i915->drm,
> >> - "[CONNECTOR:%d:%s][ENCODER:%d:%s] Ignore the link failure\n",
> >> - connector->base.base.id, connector->base.name,
> >> - encoder->base.base.id, encoder->base.name);
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "Ignore the link failure\n");
> >> return;
> >> }
> >>
> >> @@ -1499,8 +1394,6 @@ void intel_dp_start_link_train(struct intel_dp *intel_dp,
> >> void intel_dp_128b132b_sdp_crc16(struct intel_dp *intel_dp,
> >> const struct intel_crtc_state *crtc_state)
> >> {
> >> - struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> >> -
> >> /*
> >> * VIDEO_DIP_CTL register bit 31 should be set to '0' to not
> >> * disable SDP CRC. This is applicable for Display version 13.
> >> @@ -1513,5 +1406,5 @@ void intel_dp_128b132b_sdp_crc16(struct intel_dp *intel_dp,
> >> DP_SDP_ERROR_DETECTION_CONFIGURATION,
> >> DP_SDP_CRC16_128B132B_EN);
> >>
> >> - drm_dbg_kms(&i915->drm, "DP2.0 SDP CRC16 for 128b/132b enabled\n");
> >> + lt_dbg(intel_dp, DP_PHY_DPRX, "DP2.0 SDP CRC16 for 128b/132b enabled\n");
> >> }
> >> --
> >> 2.37.2
>
> --
> Jani Nikula, Intel Open Source Graphics Center
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