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.barysh...@linaro.org>
---
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
