diff options
| author | Imre Deak <imre.deak@intel.com> | 2025-12-22 17:35:37 +0200 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2026-01-13 18:42:16 +0200 |
| commit | 28e59c7e24ea1189bd925bf0efede4324ca3aaa6 (patch) | |
| tree | 83578d83053d426faaa83c976ebc4c9bd477167b | |
| parent | 07b34db2a0982480a30fe001d5f480d9e58e24db (diff) | |
drm/i915/dp: Factor out compute_min_compressed_bpp_x16()
Factor out compute_min_compressed_bpp_x16() also used during mode
validation in a follow-up change.
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20251222153547.713360-11-imre.deak@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index bed41d7f97e8..8aeb61441322 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2646,6 +2646,23 @@ dsc_throughput_quirk_max_bpp_x16(const struct intel_connector *connector, return fxp_q4_from_int(12); } +static int compute_min_compressed_bpp_x16(struct intel_connector *connector, + enum intel_output_format output_format) +{ + int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp; + int min_bpp_x16; + + dsc_src_min_bpp = intel_dp_dsc_min_src_compressed_bpp(); + dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(output_format); + dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp); + + min_bpp_x16 = fxp_q4_from_int(dsc_min_bpp); + + min_bpp_x16 = align_min_compressed_bpp_x16(connector, min_bpp_x16); + + return min_bpp_x16; +} + /* * Calculate the output link min, max bpp values in limits based on the pipe bpp * range, crtc_state and dsc mode. Return true on success. @@ -2675,18 +2692,11 @@ intel_dp_compute_config_link_bpp_limits(struct intel_connector *connector, limits->link.min_bpp_x16 = fxp_q4_from_int(limits->pipe.min_bpp); } else { - int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp; int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp; int throughput_max_bpp_x16; int joiner_max_bpp; - - dsc_src_min_bpp = intel_dp_dsc_min_src_compressed_bpp(); - dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(crtc_state->output_format); - dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp); - limits->link.min_bpp_x16 = fxp_q4_from_int(dsc_min_bpp); - limits->link.min_bpp_x16 = - align_min_compressed_bpp_x16(connector, limits->link.min_bpp_x16); + compute_min_compressed_bpp_x16(connector, crtc_state->output_format); dsc_src_max_bpp = dsc_src_max_compressed_bpp(intel_dp); joiner_max_bpp = |