From 35859d448a2097d9197aecc61b55f158cba0a17d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Fri, 17 May 2024 17:53:51 +0300 Subject: [PATCH] drm/i915: Extract intel_dp_has_dsc() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Link: https://patchwork.freedesktop.org/patch/msgid/20240517145356.26103-3-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_dp.c | 16 ++++++++++++++-- 1 file 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; -- 2.25.1