Switch to drm_dsc_set_const_params() to set some semi-constant parameters. The rc_model_size, which is set beforehand, is preserved by the helper. Also make use of drm_dsc_set_initial_scale_value(). Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_vdsc.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c index bd9116d2cd76..2d4917ca1f14 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.c +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c @@ -216,6 +216,7 @@ int intel_dsc_compute_params(struct intel_crtc_state *pipe_config) vdsc_cfg->bits_per_component = pipe_config->pipe_bpp / 3; + drm_dsc_set_const_params(vdsc_cfg); drm_dsc_set_rc_buf_thresh(vdsc_cfg); /* @@ -251,19 +252,7 @@ int intel_dsc_compute_params(struct intel_crtc_state *pipe_config) vdsc_cfg->rc_range_params[0].range_bpg_offset = 0; } - /* - * BitsPerComponent value determines mux_word_size: - * When BitsPerComponent is less than or 10bpc, muxWordSize will be equal to - * 48 bits otherwise 64 - */ - if (vdsc_cfg->bits_per_component <= 10) - vdsc_cfg->mux_word_size = DSC_MUX_WORD_SIZE_8_10_BPC; - else - vdsc_cfg->mux_word_size = DSC_MUX_WORD_SIZE_12_BPC; - - /* InitialScaleValue is a 6 bit value with 3 fractional bits (U3.3) */ - vdsc_cfg->initial_scale_value = (vdsc_cfg->rc_model_size << 3) / - (vdsc_cfg->rc_model_size - vdsc_cfg->initial_offset); + drm_dsc_set_initial_scale_value(vdsc_cfg); return 0; } -- 2.39.2