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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-05-17 17:53:51 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-06-14 20:26:44 +0300 |
| commit | 35859d448a2097d9197aecc61b55f158cba0a17d (patch) | |
| tree | e9ced2bac3c79eda703e118443f079d023c66fca /drivers/gpu/drm/i915/display/intel_dp.c | |
| parent | 7997a9e4f89f124c700986baf220b5421fe1158b (diff) | |
| download | linux-35859d448a2097d9197aecc61b55f158cba0a17d.tar.gz linux-35859d448a2097d9197aecc61b55f158cba0a17d.tar.bz2 linux-35859d448a2097d9197aecc61b55f158cba0a17d.zip | |
drm/i915: Extract intel_dp_has_dsc()
Extract a helper to check whether the source+sink combo
supports DSC. That basic check is needed both during mode
validation and compute config. We'll also need to add extra
checks to both places, so having a single place for it is nicer.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517145356.26103-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 09a06fb232f3..a1792da3b6c7 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1171,6 +1171,19 @@ bool intel_dp_need_joiner(struct intel_dp *intel_dp, connector->force_bigjoiner_enable; } +static bool intel_dp_has_dsc(const struct intel_connector *connector) +{ + struct drm_i915_private *i915 = to_i915(connector->base.dev); + + if (!HAS_DSC(i915)) + return false; + + if (!drm_dp_sink_supports_dsc(connector->dp.dsc_dpcd)) + return false; + + return true; +} + static enum drm_mode_status intel_dp_mode_valid(struct drm_connector *_connector, struct drm_display_mode *mode) @@ -1225,8 +1238,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, mode_rate = intel_dp_link_required(target_clock, intel_dp_mode_min_output_bpp(connector, mode)); - if (HAS_DSC(dev_priv) && - drm_dp_sink_supports_dsc(connector->dp.dsc_dpcd)) { + if (intel_dp_has_dsc(connector)) { enum intel_output_format sink_format, output_format; int pipe_bpp; |