diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c index 1f6e63b71456..ef830aded5b1 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c @@ -27,8 +27,6 @@ #include "dscc_types.h" #include "rc_calc.h" -double dsc_ceil(double num); - static void copy_pps_fields(struct drm_dsc_config *to, const struct drm_dsc_config *from) { to->line_buf_depth = from->line_buf_depth; @@ -100,34 +98,13 @@ static void copy_rc_to_cfg(struct drm_dsc_config *dsc_cfg, const struct rc_param int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_parameters *dsc_params) { - enum colour_mode mode = pps->convert_rgb ? CM_RGB : - (pps->simple_422 ? CM_444 : - (pps->native_422 ? CM_422 : - pps->native_420 ? CM_420 : CM_444)); - enum bits_per_comp bpc = (pps->bits_per_component == 8) ? BPC_8 : - (pps->bits_per_component == 10) ? BPC_10 : BPC_12; - float bpp = ((float) pps->bits_per_pixel / 16.0); - int slice_width = pps->slice_width; - int slice_height = pps->slice_height; int ret; struct rc_params rc; struct drm_dsc_config dsc_cfg; - double d_bytes_per_pixel = dsc_ceil(bpp * slice_width / 8.0) / slice_width; - - // TODO: Make sure the formula for calculating this is precise (ceiling vs. floor, and at what point they should be applied) - if (pps->native_422 || pps->native_420) - d_bytes_per_pixel /= 2; - - dsc_params->bytes_per_pixel = (uint32_t)dsc_ceil(d_bytes_per_pixel * 0x10000000); - - /* in native_422 or native_420 modes, the bits_per_pixel is double the target bpp - * (the latter is what calc_rc_params expects) - */ - if (pps->native_422 || pps->native_420) - bpp /= 2.0; + dsc_params->bytes_per_pixel = calc_dsc_bytes_per_pixel(pps); - calc_rc_params(&rc, mode, bpc, bpp, slice_width, slice_height, pps->dsc_version_minor); + calc_rc_params(&rc, pps); dsc_params->pps = *pps; dsc_params->pps.initial_scale_value = 8 * rc.rc_model_size / (rc.rc_model_size - rc.initial_fullness_offset); |