Skip to content

Commit

Permalink
drm/i915: Relocate intel_dp_program_link_training_pattern()
Browse files Browse the repository at this point in the history
intel_dp_program_link_training_pattern() clearly belongs in
intel_dp_link_training.c. Make it so.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210318161015.22070-4-ville.syrjala@linux.intel.com
  • Loading branch information
Ville Syrjälä committed Mar 19, 2021
1 parent 6721af2 commit b2ef066
Show file tree
Hide file tree
Showing 4 changed files with 36 additions and 37 deletions.
33 changes: 0 additions & 33 deletions drivers/gpu/drm/i915/display/intel_dp.c
Original file line number Diff line number Diff line change
Expand Up @@ -3386,39 +3386,6 @@ ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp,
intel_de_posting_read(dev_priv, intel_dp->output_reg);
}

static char dp_training_pattern_name(u8 train_pat)
{
switch (train_pat) {
case DP_TRAINING_PATTERN_1:
case DP_TRAINING_PATTERN_2:
case DP_TRAINING_PATTERN_3:
return '0' + train_pat;
case DP_TRAINING_PATTERN_4:
return '4';
default:
MISSING_CASE(train_pat);
return '?';
}
}

void
intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
u8 dp_train_pat)
{
struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
struct drm_i915_private *dev_priv = 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(&dev_priv->drm,
"[ENCODER:%d:%s] Using DP training pattern TPS%c\n",
encoder->base.base.id, encoder->base.name,
dp_training_pattern_name(train_pat));

intel_dp->set_link_train(intel_dp, crtc_state, dp_train_pat);
}

static void
intel_dp_link_down(struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state)
Expand Down
4 changes: 0 additions & 4 deletions drivers/gpu/drm/i915/display/intel_dp.h
Original file line number Diff line number Diff line change
Expand Up @@ -87,10 +87,6 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits);

void
intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
u8 dp_train_pat);
void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
u8 *link_bw, u8 *rate_select);
bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp);
Expand Down
33 changes: 33 additions & 0 deletions drivers/gpu/drm/i915/display/intel_dp_link_training.c
Original file line number Diff line number Diff line change
Expand Up @@ -367,6 +367,39 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
return drm_dp_dpcd_write(&intel_dp->aux, reg, buf, len) == len;
}

static char dp_training_pattern_name(u8 train_pat)
{
switch (train_pat) {
case DP_TRAINING_PATTERN_1:
case DP_TRAINING_PATTERN_2:
case DP_TRAINING_PATTERN_3:
return '0' + train_pat;
case DP_TRAINING_PATTERN_4:
return '4';
default:
MISSING_CASE(train_pat);
return '?';
}
}

void
intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
u8 dp_train_pat)
{
struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
struct drm_i915_private *dev_priv = 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(&dev_priv->drm,
"[ENCODER:%d:%s] Using DP training pattern TPS%c\n",
encoder->base.base.id, encoder->base.name,
dp_training_pattern_name(train_pat));

intel_dp->set_link_train(intel_dp, crtc_state, dp_train_pat);
}

void intel_dp_set_signal_levels(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
enum drm_dp_phy dp_phy)
Expand Down
3 changes: 3 additions & 0 deletions drivers/gpu/drm/i915/display/intel_dp_link_training.h
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,9 @@ void intel_dp_get_adjust_train(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
enum drm_dp_phy dp_phy,
const u8 link_status[DP_LINK_STATUS_SIZE]);
void intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
u8 dp_train_pat);
void intel_dp_set_signal_levels(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
enum drm_dp_phy dp_phy);
Expand Down

0 comments on commit b2ef066

Please sign in to comment.