diff --git a/msm/sde_dsc_helper.c b/msm/sde_dsc_helper.c index 933d4670bc..19f457da64 100644 --- a/msm/sde_dsc_helper.c +++ b/msm/sde_dsc_helper.c @@ -80,17 +80,52 @@ static char sde_dsc_rc_range_max_qp[DSC_RATIO_TYPE_MAX][DSC_NUM_BUF_RANGES] = { {2, 5, 5, 6, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 13}, }; - /* * Rate control - bpg offset values */ static char sde_dsc_rc_range_bpg_offset[DSC_NUM_BUF_RANGES] = {2, 0, 0, -2, -4, -6, -8, -8, -8, -10, -10, -12, -12, -12, -12}; +/** + * Maps to lookup the sde_dsc_ratio_type index used in rate control tables + */ +static struct sde_dsc_v1_1_table_index_lut { + int scr_ver; + u32 bpc; + u32 bpp; + enum sde_dsc_ratio_type type; +} sde_dsc_v1_1_index_map[] = { + {0, 8, 8, DSC_V11_8BPC_8BPP}, + {0, 10, 8, DSC_V11_10BPC_8BPP}, + {0, 10, 10, DSC_V11_10BPC_10BPP}, + + {1, 8, 8, DSC_V11_SCR1_8BPC_8BPP}, + {1, 10, 8, DSC_V11_SCR1_10BPC_8BPP}, + {1, 10, 10, DSC_V11_SCR1_10BPC_10BPP}, +}; + +static struct sde_dsc_v1_2_table_index_lut { + u32 fmt; + u32 bpc; + u32 bpp; + enum sde_dsc_ratio_type type; +} sde_dsc_v1_2_index_map[] = { + {MSM_CHROMA_444, 8, 8, DSC_V12_444_8BPC_8BPP}, + {MSM_CHROMA_444, 10, 8, DSC_V12_444_10BPC_8BPP}, + {MSM_CHROMA_444, 10, 10, DSC_V12_444_10BPC_10BPP}, + + {MSM_CHROMA_422, 8, 7, DSC_V12_422_8BPC_7BPP}, + {MSM_CHROMA_422, 8, 8, DSC_V12_422_8BPC_8BPP}, + {MSM_CHROMA_422, 10, 7, DSC_V12_422_10BPC_7BPP}, + {MSM_CHROMA_422, 10, 10, DSC_V12_422_10BPC_10BPP}, + + {MSM_CHROMA_420, 8, 6, DSC_V12_420_8BPC_6BPP}, + {MSM_CHROMA_420, 10, 6, DSC_V12_420_10BPC_6BPP}, +}; static int _get_rc_table_index(struct drm_dsc_config *dsc, int scr_ver) { - int bpp, bpc; + u32 bpp, bpc, i, fmt = MSM_CHROMA_444; if (dsc->dsc_version_major != 0x1) { SDE_ERROR("unsupported major version %d\n", @@ -98,55 +133,34 @@ static int _get_rc_table_index(struct drm_dsc_config *dsc, int scr_ver) return -EINVAL; } - bpp = DSC_BPP(*dsc); bpc = dsc->bits_per_component; + bpp = DSC_BPP(*dsc); - if ((dsc->dsc_version_minor == 0x1) && (scr_ver == 0x0)) { - if ((bpc == 8) && (bpp == 8)) - return DSC_V11_8BPC_8BPP; - if ((bpc == 10) && (bpp == 8)) - return DSC_V11_10BPC_10BPP; - else if ((bpc == 10) && (bpp == 10)) - return DSC_V11_10BPC_10BPP; - else - SDE_ERROR("unsupported bpc:%d, bpp:%d\n", bpc, bpp); - } else if (((dsc->dsc_version_minor == 0x1) && (scr_ver == 0x1)) || - ((dsc->dsc_version_minor = 0x2) && - !dsc->native_422 & !dsc->native_420)) { - if ((bpc == 8) && (bpp == 8)) - return DSC_V11_SCR1_8BPC_8BPP; - if ((bpc == 10) && (bpp == 8)) - return DSC_V11_SCR1_10BPC_8BPP; - else if ((bpc == 10) && (bpp == 10)) - return DSC_V11_SCR1_10BPC_10BPP; - else - SDE_ERROR("unsupported bpc:%d, bpp:%d\n", bpc, bpp); - } else if ((dsc->dsc_version_minor = 0x2) && dsc->native_422) { - if ((bpc == 8) && (bpp == 7)) - return DSC_V12_422_8BPC_7BPP; - else if ((bpc == 8) && (bpp == 8)) - return DSC_V12_422_8BPC_8BPP; - else if ((bpc == 10) && (bpp == 7)) - return DSC_V12_422_10BPC_7BPP; - else if ((bpc == 10) && (bpp == 10)) - return DSC_V12_422_10BPC_10BPP; - else - SDE_ERROR("unsupported bpc:%d, bpp:%d\n", bpc, bpp); - } else if ((dsc->dsc_version_minor = 0x2) && dsc->native_420) { - if ((bpc == 8) && (bpp == 6)) - return DSC_V12_420_8BPC_6BPP; - else if ((bpc == 10) && (bpp == 6)) - return DSC_V12_420_10BPC_6BPP; - else - SDE_ERROR("unsupported bpc:%d, bpp:%d\n", bpc, bpp); + if (dsc->native_422) + fmt = MSM_CHROMA_422; + else if (dsc->native_420) + fmt = MSM_CHROMA_420; + + if (dsc->dsc_version_minor == 0x1) { + for (i = 0; i < ARRAY_SIZE(sde_dsc_v1_1_index_map); i++) { + if (bpc == sde_dsc_v1_1_index_map[i].bpc && + bpp == sde_dsc_v1_1_index_map[i].bpp && + scr_ver == sde_dsc_v1_1_index_map[i].scr_ver) + return sde_dsc_v1_1_index_map[i].type; + } + } else if (dsc->dsc_version_minor == 0x2) { + for (i = 0; i < ARRAY_SIZE(sde_dsc_v1_2_index_map); i++) { + if (bpc == sde_dsc_v1_2_index_map[i].bpc && + bpp == sde_dsc_v1_2_index_map[i].bpp && + fmt == sde_dsc_v1_2_index_map[i].fmt) + return sde_dsc_v1_2_index_map[i].type; + } } - SDE_ERROR("unsupported DSC version %d, %d %d\n", - dsc->dsc_version_major, - dsc->dsc_version_minor, - scr_ver); + SDE_ERROR("unsupported DSC v%d.%dr%d, bpc:%d, bpp:%d, fmt:0x%x\n", + dsc->dsc_version_major, dsc->dsc_version_minor, + scr_ver, bpc, bpp, fmt); return -EINVAL; - } int sde_dsc_populate_dsc_config(struct drm_dsc_config *dsc, int scr_ver) {