diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c index 7b294f637881..b19d3aeb5962 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c +++ b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c @@ -23,266 +23,7 @@ * Authors: AMD * */ -#include <drm/drm_dsc.h> - -#include "os_types.h" #include "rc_calc.h" -#include "qp_tables.h" - -#define table_hash(mode, bpc, max_min) ((mode << 16) | (bpc << 8) | max_min) - -#define MODE_SELECT(val444, val422, val420) \ - (cm == CM_444 || cm == CM_RGB) ? (val444) : (cm == CM_422 ? (val422) : (val420)) - - -#define TABLE_CASE(mode, bpc, max) case (table_hash(mode, BPC_##bpc, max)): \ - table = qp_table_##mode##_##bpc##bpc_##max; \ - table_size = sizeof(qp_table_##mode##_##bpc##bpc_##max)/sizeof(*qp_table_##mode##_##bpc##bpc_##max); \ - break - - -static void get_qp_set(qp_set qps, enum colour_mode cm, enum bits_per_comp bpc, - enum max_min max_min, float bpp) -{ - int mode = MODE_SELECT(444, 422, 420); - int sel = table_hash(mode, bpc, max_min); - int table_size = 0; - int index; - const struct qp_entry *table = 0L; - - // alias enum - enum { min = DAL_MM_MIN, max = DAL_MM_MAX }; - switch (sel) { - TABLE_CASE(444, 8, max); - TABLE_CASE(444, 8, min); - TABLE_CASE(444, 10, max); - TABLE_CASE(444, 10, min); - TABLE_CASE(444, 12, max); - TABLE_CASE(444, 12, min); - TABLE_CASE(422, 8, max); - TABLE_CASE(422, 8, min); - TABLE_CASE(422, 10, max); - TABLE_CASE(422, 10, min); - TABLE_CASE(422, 12, max); - TABLE_CASE(422, 12, min); - TABLE_CASE(420, 8, max); - TABLE_CASE(420, 8, min); - TABLE_CASE(420, 10, max); - TABLE_CASE(420, 10, min); - TABLE_CASE(420, 12, max); - TABLE_CASE(420, 12, min); - } - - if (table == 0) - return; - - index = (bpp - table[0].bpp) * 2; - - /* requested size is bigger than the table */ - if (index >= table_size) { - dm_error("ERROR: Requested rc_calc to find a bpp entry that exceeds the table size\n"); - return; - } - - memcpy(qps, table[index].qps, sizeof(qp_set)); -} - -static double dsc_roundf(double num) -{ - if (num < 0.0) - num = num - 0.5; - else - num = num + 0.5; - - return (int)(num); -} - -static double dsc_ceil(double num) -{ - double retval = (int)num; - - if (retval != num && num > 0) - retval = num + 1; - - return (int)retval; -} - -static void get_ofs_set(qp_set ofs, enum colour_mode mode, float bpp) -{ - int *p = ofs; - - if (mode == CM_444 || mode == CM_RGB) { - *p++ = (bpp <= 6) ? (0) : ((((bpp >= 8) && (bpp <= 12))) ? (2) : ((bpp >= 15) ? (10) : ((((bpp > 6) && (bpp < 8))) ? (0 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (2 + dsc_roundf((bpp - 12) * (8 / 3.0)))))); - *p++ = (bpp <= 6) ? (-2) : ((((bpp >= 8) && (bpp <= 12))) ? (0) : ((bpp >= 15) ? (8) : ((((bpp > 6) && (bpp < 8))) ? (-2 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (0 + dsc_roundf((bpp - 12) * (8 / 3.0)))))); - *p++ = (bpp <= 6) ? (-2) : ((((bpp >= 8) && (bpp <= 12))) ? (0) : ((bpp >= 15) ? (6) : ((((bpp > 6) && (bpp < 8))) ? (-2 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (0 + dsc_roundf((bpp - 12) * (6 / 3.0)))))); - *p++ = (bpp <= 6) ? (-4) : ((((bpp >= 8) && (bpp <= 12))) ? (-2) : ((bpp >= 15) ? (4) : ((((bpp > 6) && (bpp < 8))) ? (-4 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (-2 + dsc_roundf((bpp - 12) * (6 / 3.0)))))); - *p++ = (bpp <= 6) ? (-6) : ((((bpp >= 8) && (bpp <= 12))) ? (-4) : ((bpp >= 15) ? (2) : ((((bpp > 6) && (bpp < 8))) ? (-6 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (-4 + dsc_roundf((bpp - 12) * (6 / 3.0)))))); - *p++ = (bpp <= 12) ? (-6) : ((bpp >= 15) ? (0) : (-6 + dsc_roundf((bpp - 12) * (6 / 3.0)))); - *p++ = (bpp <= 12) ? (-8) : ((bpp >= 15) ? (-2) : (-8 + dsc_roundf((bpp - 12) * (6 / 3.0)))); - *p++ = (bpp <= 12) ? (-8) : ((bpp >= 15) ? (-4) : (-8 + dsc_roundf((bpp - 12) * (4 / 3.0)))); - *p++ = (bpp <= 12) ? (-8) : ((bpp >= 15) ? (-6) : (-8 + dsc_roundf((bpp - 12) * (2 / 3.0)))); - *p++ = (bpp <= 12) ? (-10) : ((bpp >= 15) ? (-8) : (-10 + dsc_roundf((bpp - 12) * (2 / 3.0)))); - *p++ = -10; - *p++ = (bpp <= 6) ? (-12) : ((bpp >= 8) ? (-10) : (-12 + dsc_roundf((bpp - 6) * (2 / 2.0)))); - *p++ = -12; - *p++ = -12; - *p++ = -12; - } else if (mode == CM_422) { - *p++ = (bpp <= 8) ? (2) : ((bpp >= 10) ? (10) : (2 + dsc_roundf((bpp - 8) * (8 / 2.0)))); - *p++ = (bpp <= 8) ? (0) : ((bpp >= 10) ? (8) : (0 + dsc_roundf((bpp - 8) * (8 / 2.0)))); - *p++ = (bpp <= 8) ? (0) : ((bpp >= 10) ? (6) : (0 + dsc_roundf((bpp - 8) * (6 / 2.0)))); - *p++ = (bpp <= 8) ? (-2) : ((bpp >= 10) ? (4) : (-2 + dsc_roundf((bpp - 8) * (6 / 2.0)))); - *p++ = (bpp <= 8) ? (-4) : ((bpp >= 10) ? (2) : (-4 + dsc_roundf((bpp - 8) * (6 / 2.0)))); - *p++ = (bpp <= 8) ? (-6) : ((bpp >= 10) ? (0) : (-6 + dsc_roundf((bpp - 8) * (6 / 2.0)))); - *p++ = (bpp <= 8) ? (-8) : ((bpp >= 10) ? (-2) : (-8 + dsc_roundf((bpp - 8) * (6 / 2.0)))); - *p++ = (bpp <= 8) ? (-8) : ((bpp >= 10) ? (-4) : (-8 + dsc_roundf((bpp - 8) * (4 / 2.0)))); - *p++ = (bpp <= 8) ? (-8) : ((bpp >= 10) ? (-6) : (-8 + dsc_roundf((bpp - 8) * (2 / 2.0)))); - *p++ = (bpp <= 8) ? (-10) : ((bpp >= 10) ? (-8) : (-10 + dsc_roundf((bpp - 8) * (2 / 2.0)))); - *p++ = -10; - *p++ = (bpp <= 6) ? (-12) : ((bpp >= 7) ? (-10) : (-12 + dsc_roundf((bpp - 6) * (2.0 / 1)))); - *p++ = -12; - *p++ = -12; - *p++ = -12; - } else { - *p++ = (bpp <= 6) ? (2) : ((bpp >= 8) ? (10) : (2 + dsc_roundf((bpp - 6) * (8 / 2.0)))); - *p++ = (bpp <= 6) ? (0) : ((bpp >= 8) ? (8) : (0 + dsc_roundf((bpp - 6) * (8 / 2.0)))); - *p++ = (bpp <= 6) ? (0) : ((bpp >= 8) ? (6) : (0 + dsc_roundf((bpp - 6) * (6 / 2.0)))); - *p++ = (bpp <= 6) ? (-2) : ((bpp >= 8) ? (4) : (-2 + dsc_roundf((bpp - 6) * (6 / 2.0)))); - *p++ = (bpp <= 6) ? (-4) : ((bpp >= 8) ? (2) : (-4 + dsc_roundf((bpp - 6) * (6 / 2.0)))); - *p++ = (bpp <= 6) ? (-6) : ((bpp >= 8) ? (0) : (-6 + dsc_roundf((bpp - 6) * (6 / 2.0)))); - *p++ = (bpp <= 6) ? (-8) : ((bpp >= 8) ? (-2) : (-8 + dsc_roundf((bpp - 6) * (6 / 2.0)))); - *p++ = (bpp <= 6) ? (-8) : ((bpp >= 8) ? (-4) : (-8 + dsc_roundf((bpp - 6) * (4 / 2.0)))); - *p++ = (bpp <= 6) ? (-8) : ((bpp >= 8) ? (-6) : (-8 + dsc_roundf((bpp - 6) * (2 / 2.0)))); - *p++ = (bpp <= 6) ? (-10) : ((bpp >= 8) ? (-8) : (-10 + dsc_roundf((bpp - 6) * (2 / 2.0)))); - *p++ = -10; - *p++ = (bpp <= 4) ? (-12) : ((bpp >= 5) ? (-10) : (-12 + dsc_roundf((bpp - 4) * (2 / 1.0)))); - *p++ = -12; - *p++ = -12; - *p++ = -12; - } -} - -static int median3(int a, int b, int c) -{ - if (a > b) - swap(a, b); - if (b > c) - swap(b, c); - if (a > b) - swap(b, c); - - return b; -} - -static void _do_calc_rc_params(struct rc_params *rc, enum colour_mode cm, - enum bits_per_comp bpc, u16 drm_bpp, - bool is_navite_422_or_420, - int slice_width, int slice_height, - int minor_version) -{ - float bpp; - float bpp_group; - float initial_xmit_delay_factor; - int padding_pixels; - int i; - - bpp = ((float)drm_bpp / 16.0); - /* 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 (is_navite_422_or_420) - bpp /= 2.0; - - rc->rc_quant_incr_limit0 = ((bpc == BPC_8) ? 11 : (bpc == BPC_10 ? 15 : 19)) - ((minor_version == 1 && cm == CM_444) ? 1 : 0); - rc->rc_quant_incr_limit1 = ((bpc == BPC_8) ? 11 : (bpc == BPC_10 ? 15 : 19)) - ((minor_version == 1 && cm == CM_444) ? 1 : 0); - - bpp_group = MODE_SELECT(bpp, bpp * 2.0, bpp * 2.0); - - switch (cm) { - case CM_420: - rc->initial_fullness_offset = (bpp >= 6) ? (2048) : ((bpp <= 4) ? (6144) : ((((bpp > 4) && (bpp <= 5))) ? (6144 - dsc_roundf((bpp - 4) * (512))) : (5632 - dsc_roundf((bpp - 5) * (3584))))); - rc->first_line_bpg_offset = median3(0, (12 + (int) (0.09 * min(34, slice_height - 8))), (int)((3 * bpc * 3) - (3 * bpp_group))); - rc->second_line_bpg_offset = median3(0, 12, (int)((3 * bpc * 3) - (3 * bpp_group))); - break; - case CM_422: - rc->initial_fullness_offset = (bpp >= 8) ? (2048) : ((bpp <= 7) ? (5632) : (5632 - dsc_roundf((bpp - 7) * (3584)))); - rc->first_line_bpg_offset = median3(0, (12 + (int) (0.09 * min(34, slice_height - 8))), (int)((3 * bpc * 4) - (3 * bpp_group))); - rc->second_line_bpg_offset = 0; - break; - case CM_444: - case CM_RGB: - rc->initial_fullness_offset = (bpp >= 12) ? (2048) : ((bpp <= 8) ? (6144) : ((((bpp > 8) && (bpp <= 10))) ? (6144 - dsc_roundf((bpp - 8) * (512 / 2))) : (5632 - dsc_roundf((bpp - 10) * (3584 / 2))))); - rc->first_line_bpg_offset = median3(0, (12 + (int) (0.09 * min(34, slice_height - 8))), (int)(((3 * bpc + (cm == CM_444 ? 0 : 2)) * 3) - (3 * bpp_group))); - rc->second_line_bpg_offset = 0; - break; - } - - initial_xmit_delay_factor = (cm == CM_444 || cm == CM_RGB) ? 1.0 : 2.0; - rc->initial_xmit_delay = dsc_roundf(8192.0/2.0/bpp/initial_xmit_delay_factor); - - if (cm == CM_422 || cm == CM_420) - slice_width /= 2; - - padding_pixels = ((slice_width % 3) != 0) ? (3 - (slice_width % 3)) * (rc->initial_xmit_delay / slice_width) : 0; - if (3 * bpp_group >= (((rc->initial_xmit_delay + 2) / 3) * (3 + (cm == CM_422)))) { - if ((rc->initial_xmit_delay + padding_pixels) % 3 == 1) - rc->initial_xmit_delay++; - } - - rc->flatness_min_qp = ((bpc == BPC_8) ? (3) : ((bpc == BPC_10) ? (7) : (11))) - ((minor_version == 1 && cm == CM_444) ? 1 : 0); - rc->flatness_max_qp = ((bpc == BPC_8) ? (12) : ((bpc == BPC_10) ? (16) : (20))) - ((minor_version == 1 && cm == CM_444) ? 1 : 0); - rc->flatness_det_thresh = 2 << (bpc - 8); - - get_qp_set(rc->qp_min, cm, bpc, DAL_MM_MIN, bpp); - get_qp_set(rc->qp_max, cm, bpc, DAL_MM_MAX, bpp); - if (cm == CM_444 && minor_version == 1) { - for (i = 0; i < QP_SET_SIZE; ++i) { - rc->qp_min[i] = rc->qp_min[i] > 0 ? rc->qp_min[i] - 1 : 0; - rc->qp_max[i] = rc->qp_max[i] > 0 ? rc->qp_max[i] - 1 : 0; - } - } - get_ofs_set(rc->ofs, cm, bpp); - - /* fixed parameters */ - rc->rc_model_size = 8192; - rc->rc_edge_factor = 6; - rc->rc_tgt_offset_hi = 3; - rc->rc_tgt_offset_lo = 3; - - rc->rc_buf_thresh[0] = 896; - rc->rc_buf_thresh[1] = 1792; - rc->rc_buf_thresh[2] = 2688; - rc->rc_buf_thresh[3] = 3584; - rc->rc_buf_thresh[4] = 4480; - rc->rc_buf_thresh[5] = 5376; - rc->rc_buf_thresh[6] = 6272; - rc->rc_buf_thresh[7] = 6720; - rc->rc_buf_thresh[8] = 7168; - rc->rc_buf_thresh[9] = 7616; - rc->rc_buf_thresh[10] = 7744; - rc->rc_buf_thresh[11] = 7872; - rc->rc_buf_thresh[12] = 8000; - rc->rc_buf_thresh[13] = 8064; -} - -static u32 _do_bytes_per_pixel_calc(int slice_width, u16 drm_bpp, - bool is_navite_422_or_420) -{ - float bpp; - u32 bytes_per_pixel; - double d_bytes_per_pixel; - - bpp = ((float)drm_bpp / 16.0); - 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 (is_navite_422_or_420) - d_bytes_per_pixel /= 2; - - bytes_per_pixel = (u32)dsc_ceil(d_bytes_per_pixel * 0x10000000); - - return bytes_per_pixel; -} /** * calc_rc_params - reads the user's cmdline mode |