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| author | Jani Nikula <jani.nikula@intel.com> | 2021-09-09 15:51:58 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-09-20 18:46:01 +0300 |
| commit | 4e718a0e4053249c0ff5df60f8f3799fce1a1981 (patch) | |
| tree | 633f0b13ef673dec3ed84bf5cda3b31272719bf4 | |
| parent | 7bb97db8d32983b3525912a219f11c5140f282e7 (diff) | |
| download | cachepc-linux-4e718a0e4053249c0ff5df60f8f3799fce1a1981.tar.gz cachepc-linux-4e718a0e4053249c0ff5df60f8f3799fce1a1981.zip | |
drm/i915/dp: add helper for checking for UHBR link rate
Helpful abstraction to avoid duplication.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/fe9a222ad900da797c989de9f7fa13928d2c9861.1631191763.git.jani.nikula@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 3e7236b07773..7559911c140a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -115,6 +115,12 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp) static void intel_dp_unset_edid(struct intel_dp *intel_dp); static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc); +/* Is link rate UHBR and thus 128b/132b? */ +bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state) +{ + return crtc_state->port_clock >= 1000000; +} + /* update sink rates from dpcd */ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp) { diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index a28fff286c21..94b568704b22 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -58,6 +58,7 @@ int intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state); bool intel_dp_is_edp(struct intel_dp *intel_dp); +bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state); bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port); enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd); |