| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Aurabindo Pillai | 6913 | 92.82% | 1 | 16.67% |
| Samson Tam | 476 | 6.39% | 2 | 33.33% |
| Wenjing Liu | 43 | 0.58% | 2 | 33.33% |
| Alex Hung | 16 | 0.21% | 1 | 16.67% |
| Total | 7448 | 6 |
// SPDX-License-Identifier: MIT // // Copyright 2024 Advanced Micro Devices, Inc. #include "dc_spl.h" #include "dc_spl_scl_filters.h" #include "dc_spl_isharp_filters.h" #define IDENTITY_RATIO(ratio) (dc_fixpt_u2d19(ratio) == (1 << 19)) #define MIN_VIEWPORT_SIZE 12 static struct spl_rect intersect_rec(const struct spl_rect *r0, const struct spl_rect *r1) { struct spl_rect rec; int r0_x_end = r0->x + r0->width; int r1_x_end = r1->x + r1->width; int r0_y_end = r0->y + r0->height; int r1_y_end = r1->y + r1->height; rec.x = r0->x > r1->x ? r0->x : r1->x; rec.width = r0_x_end > r1_x_end ? r1_x_end - rec.x : r0_x_end - rec.x; rec.y = r0->y > r1->y ? r0->y : r1->y; rec.height = r0_y_end > r1_y_end ? r1_y_end - rec.y : r0_y_end - rec.y; /* in case that there is no intersection */ if (rec.width < 0 || rec.height < 0) memset(&rec, 0, sizeof(rec)); return rec; } static struct spl_rect shift_rec(const struct spl_rect *rec_in, int x, int y) { struct spl_rect rec_out = *rec_in; rec_out.x += x; rec_out.y += y; return rec_out; } static struct spl_rect calculate_plane_rec_in_timing_active( struct spl_in *spl_in, const struct spl_rect *rec_in) { /* * The following diagram shows an example where we map a 1920x1200 * desktop to a 2560x1440 timing with a plane rect in the middle * of the screen. To map a plane rect from Stream Source to Timing * Active space, we first multiply stream scaling ratios (i.e 2304/1920 * horizontal and 1440/1200 vertical) to the plane's x and y, then * we add stream destination offsets (i.e 128 horizontal, 0 vertical). * This will give us a plane rect's position in Timing Active. However * we have to remove the fractional. The rule is that we find left/right * and top/bottom positions and round the value to the adjacent integer. * * Stream Source Space * ------------ * __________________________________________________ * |Stream Source (1920 x 1200) ^ | * | y | * | <------- w --------|> | * | __________________V | * |<-- x -->|Plane//////////////| ^ | * | |(pre scale)////////| | | * | |///////////////////| | | * | |///////////////////| h | * | |///////////////////| | | * | |///////////////////| | | * | |///////////////////| V | * | | * | | * |__________________________________________________| * * * Timing Active Space * --------------------------------- * * Timing Active (2560 x 1440) * __________________________________________________ * |*****| Stteam Destination (2304 x 1440) |*****| * |*****| |*****| * |<128>| |*****| * |*****| __________________ |*****| * |*****| |Plane/////////////| |*****| * |*****| |(post scale)//////| |*****| * |*****| |//////////////////| |*****| * |*****| |//////////////////| |*****| * |*****| |//////////////////| |*****| * |*****| |//////////////////| |*****| * |*****| |*****| * |*****| |*****| * |*****| |*****| * |*****|______________________________________|*****| * * So the resulting formulas are shown below: * * recout_x = 128 + round(plane_x * 2304 / 1920) * recout_w = 128 + round((plane_x + plane_w) * 2304 / 1920) - recout_x * recout_y = 0 + round(plane_y * 1440 / 1280) * recout_h = 0 + round((plane_y + plane_h) * 1440 / 1200) - recout_y * * NOTE: fixed point division is not error free. To reduce errors * introduced by fixed point division, we divide only after * multiplication is complete. */ const struct spl_rect *stream_src = &spl_in->basic_out.src_rect; const struct spl_rect *stream_dst = &spl_in->basic_out.dst_rect; struct spl_rect rec_out = {0}; struct fixed31_32 temp; temp = dc_fixpt_from_fraction(rec_in->x * (long long)stream_dst->width, stream_src->width); rec_out.x = stream_dst->x + dc_fixpt_round(temp); temp = dc_fixpt_from_fraction( (rec_in->x + rec_in->width) * (long long)stream_dst->width, stream_src->width); rec_out.width = stream_dst->x + dc_fixpt_round(temp) - rec_out.x; temp = dc_fixpt_from_fraction(rec_in->y * (long long)stream_dst->height, stream_src->height); rec_out.y = stream_dst->y + dc_fixpt_round(temp); temp = dc_fixpt_from_fraction( (rec_in->y + rec_in->height) * (long long)stream_dst->height, stream_src->height); rec_out.height = stream_dst->y + dc_fixpt_round(temp) - rec_out.y; return rec_out; } static struct spl_rect calculate_mpc_slice_in_timing_active( struct spl_in *spl_in, struct spl_rect *plane_clip_rec) { int mpc_slice_count = spl_in->basic_in.mpc_combine_h; int mpc_slice_idx = spl_in->basic_in.mpc_combine_v; int epimo = mpc_slice_count - plane_clip_rec->width % mpc_slice_count - 1; struct spl_rect mpc_rec; mpc_rec.width = plane_clip_rec->width / mpc_slice_count; mpc_rec.x = plane_clip_rec->x + mpc_rec.width * mpc_slice_idx; mpc_rec.height = plane_clip_rec->height; mpc_rec.y = plane_clip_rec->y; ASSERT(mpc_slice_count == 1 || spl_in->basic_out.view_format != SPL_VIEW_3D_SIDE_BY_SIDE || mpc_rec.width % 2 == 0); /* extra pixels in the division remainder need to go to pipes after * the extra pixel index minus one(epimo) defined here as: */ if (mpc_slice_idx > epimo) { mpc_rec.x += mpc_slice_idx - epimo - 1; mpc_rec.width += 1; } if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) { ASSERT(mpc_rec.height % 2 == 0); mpc_rec.height /= 2; } return mpc_rec; } static struct spl_rect calculate_odm_slice_in_timing_active(struct spl_in *spl_in) { int odm_slice_count = spl_in->basic_out.odm_combine_factor; int odm_slice_idx = spl_in->odm_slice_index; bool is_last_odm_slice = (odm_slice_idx + 1) == odm_slice_count; int h_active = spl_in->basic_out.output_size.width; int v_active = spl_in->basic_out.output_size.height; int odm_slice_width; struct spl_rect odm_rec; if (spl_in->basic_out.odm_combine_factor > 0) { odm_slice_width = h_active / odm_slice_count; /* * deprecated, caller must pass in odm slice rect i.e OPP input * rect in timing active for the new interface. */ if (spl_in->basic_out.use_two_pixels_per_container && (odm_slice_width % 2)) odm_slice_width++; odm_rec.x = odm_slice_width * odm_slice_idx; odm_rec.width = is_last_odm_slice ? /* last slice width is the reminder of h_active */ h_active - odm_slice_width * (odm_slice_count - 1) : /* odm slice width is the floor of h_active / count */ odm_slice_width; odm_rec.y = 0; odm_rec.height = v_active; return odm_rec; } return spl_in->basic_out.odm_slice_rect; } static void spl_calculate_recout(struct spl_in *spl_in, struct spl_out *spl_out) { /* * A plane clip represents the desired plane size and position in Stream * Source Space. Stream Source is the destination where all planes are * blended (i.e. positioned, scaled and overlaid). It is a canvas where * all planes associated with the current stream are drawn together. * After Stream Source is completed, we will further scale and * reposition the entire canvas of the stream source to Stream * Destination in Timing Active Space. This could be due to display * overscan adjustment where we will need to rescale and reposition all * the planes so they can fit into a TV with overscan or downscale * upscale features such as GPU scaling or VSR. * * This two step blending is a virtual procedure in software. In * hardware there is no such thing as Stream Source. all planes are * blended once in Timing Active Space. Software virtualizes a Stream * Source space to decouple the math complicity so scaling param * calculation focuses on one step at a time. * * In the following two diagrams, user applied 10% overscan adjustment * so the Stream Source needs to be scaled down a little before mapping * to Timing Active Space. As a result the Plane Clip is also scaled * down by the same ratio, Plane Clip position (i.e. x and y) with * respect to Stream Source is also scaled down. To map it in Timing * Active Space additional x and y offsets from Stream Destination are * added to Plane Clip as well. * * Stream Source Space * ------------ * __________________________________________________ * |Stream Source (3840 x 2160) ^ | * | y | * | | | * | __________________V | * |<-- x -->|Plane Clip/////////| | * | |(pre scale)////////| | * | |///////////////////| | * | |///////////////////| | * | |///////////////////| | * | |///////////////////| | * | |///////////////////| | * | | * | | * |__________________________________________________| * * * Timing Active Space (3840 x 2160) * --------------------------------- * * Timing Active * __________________________________________________ * | y_____________________________________________ | * |x |Stream Destination (3456 x 1944) | | * | | | | * | | __________________ | | * | | |Plane Clip////////| | | * | | |(post scale)//////| | | * | | |//////////////////| | | * | | |//////////////////| | | * | | |//////////////////| | | * | | |//////////////////| | | * | | | | * | | | | * | |____________________________________________| | * |__________________________________________________| * * * In Timing Active Space a plane clip could be further sliced into * pieces called MPC slices. Each Pipe Context is responsible for * processing only one MPC slice so the plane processing workload can be * distributed to multiple DPP Pipes. MPC slices could be blended * together to a single ODM slice. Each ODM slice is responsible for * processing a portion of Timing Active divided horizontally so the * output pixel processing workload can be distributed to multiple OPP * pipes. All ODM slices are mapped together in ODM block so all MPC * slices belong to different ODM slices could be pieced together to * form a single image in Timing Active. MPC slices must belong to * single ODM slice. If an MPC slice goes across ODM slice boundary, it * needs to be divided into two MPC slices one for each ODM slice. * * In the following diagram the output pixel processing workload is * divided horizontally into two ODM slices one for each OPP blend tree. * OPP0 blend tree is responsible for processing left half of Timing * Active, while OPP2 blend tree is responsible for processing right * half. * * The plane has two MPC slices. However since the right MPC slice goes * across ODM boundary, two DPP pipes are needed one for each OPP blend * tree. (i.e. DPP1 for OPP0 blend tree and DPP2 for OPP2 blend tree). * * Assuming that we have a Pipe Context associated with OPP0 and DPP1 * working on processing the plane in the diagram. We want to know the * width and height of the shaded rectangle and its relative position * with respect to the ODM slice0. This is called the recout of the pipe * context. * * Planes can be at arbitrary size and position and there could be an * arbitrary number of MPC and ODM slices. The algorithm needs to take * all scenarios into account. * * Timing Active Space (3840 x 2160) * --------------------------------- * * Timing Active * __________________________________________________ * |OPP0(ODM slice0)^ |OPP2(ODM slice1) | * | y | | * | | <- w -> | * | _____V________|____ | * | |DPP0 ^ |DPP1 |DPP2| | * |<------ x |-----|->|/////| | | * | | | |/////| | | * | | h |/////| | | * | | | |/////| | | * | |_____V__|/////|____| | * | | | * | | | * | | | * |_________________________|________________________| * * */ struct spl_rect plane_clip; struct spl_rect mpc_slice_of_plane_clip; struct spl_rect odm_slice; struct spl_rect overlapping_area; plane_clip = calculate_plane_rec_in_timing_active(spl_in, &spl_in->basic_in.clip_rect); /* guard plane clip from drawing beyond stream dst here */ plane_clip = intersect_rec(&plane_clip, &spl_in->basic_out.dst_rect); mpc_slice_of_plane_clip = calculate_mpc_slice_in_timing_active( spl_in, &plane_clip); odm_slice = calculate_odm_slice_in_timing_active(spl_in); overlapping_area = intersect_rec(&mpc_slice_of_plane_clip, &odm_slice); if (overlapping_area.height > 0 && overlapping_area.width > 0) { /* shift the overlapping area so it is with respect to current * ODM slice's position */ spl_out->scl_data.recout = shift_rec( &overlapping_area, -odm_slice.x, -odm_slice.y); spl_out->scl_data.recout.height -= spl_in->debug.visual_confirm_base_offset; spl_out->scl_data.recout.height -= spl_in->debug.visual_confirm_dpp_offset; } else /* if there is no overlap, zero recout */ memset(&spl_out->scl_data.recout, 0, sizeof(struct spl_rect)); } /* Calculate scaling ratios */ static void spl_calculate_scaling_ratios(struct spl_in *spl_in, struct spl_out *spl_out) { const int in_w = spl_in->basic_out.src_rect.width; const int in_h = spl_in->basic_out.src_rect.height; const int out_w = spl_in->basic_out.dst_rect.width; const int out_h = spl_in->basic_out.dst_rect.height; struct spl_rect surf_src = spl_in->basic_in.src_rect; /*Swap surf_src height and width since scaling ratios are in recout rotation*/ if (spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_90 || spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_270) swap(surf_src.height, surf_src.width); spl_out->scl_data.ratios.horz = dc_fixpt_from_fraction( surf_src.width, spl_in->basic_in.dst_rect.width); spl_out->scl_data.ratios.vert = dc_fixpt_from_fraction( surf_src.height, spl_in->basic_in.dst_rect.height); if (spl_in->basic_out.view_format == SPL_VIEW_3D_SIDE_BY_SIDE) spl_out->scl_data.ratios.horz.value *= 2; else if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) spl_out->scl_data.ratios.vert.value *= 2; spl_out->scl_data.ratios.vert.value = div64_s64( spl_out->scl_data.ratios.vert.value * in_h, out_h); spl_out->scl_data.ratios.horz.value = div64_s64( spl_out->scl_data.ratios.horz.value * in_w, out_w); spl_out->scl_data.ratios.horz_c = spl_out->scl_data.ratios.horz; spl_out->scl_data.ratios.vert_c = spl_out->scl_data.ratios.vert; if (spl_in->basic_in.format == SPL_PIXEL_FORMAT_420BPP8 || spl_in->basic_in.format == SPL_PIXEL_FORMAT_420BPP10) { spl_out->scl_data.ratios.horz_c.value /= 2; spl_out->scl_data.ratios.vert_c.value /= 2; } spl_out->scl_data.ratios.horz = dc_fixpt_truncate( spl_out->scl_data.ratios.horz, 19); spl_out->scl_data.ratios.vert = dc_fixpt_truncate( spl_out->scl_data.ratios.vert, 19); spl_out->scl_data.ratios.horz_c = dc_fixpt_truncate( spl_out->scl_data.ratios.horz_c, 19); spl_out->scl_data.ratios.vert_c = dc_fixpt_truncate( spl_out->scl_data.ratios.vert_c, 19); } /* Calculate Viewport size */ static void spl_calculate_viewport_size(struct spl_in *spl_in, struct spl_out *spl_out) { spl_out->scl_data.viewport.width = dc_fixpt_ceil(dc_fixpt_mul_int(spl_out->scl_data.ratios.horz, spl_out->scl_data.recout.width)); spl_out->scl_data.viewport.height = dc_fixpt_ceil(dc_fixpt_mul_int(spl_out->scl_data.ratios.vert, spl_out->scl_data.recout.height)); spl_out->scl_data.viewport_c.width = dc_fixpt_ceil(dc_fixpt_mul_int(spl_out->scl_data.ratios.horz_c, spl_out->scl_data.recout.width)); spl_out->scl_data.viewport_c.height = dc_fixpt_ceil(dc_fixpt_mul_int(spl_out->scl_data.ratios.vert_c, spl_out->scl_data.recout.height)); if (spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_90 || spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_270) { swap(spl_out->scl_data.viewport.width, spl_out->scl_data.viewport.height); swap(spl_out->scl_data.viewport_c.width, spl_out->scl_data.viewport_c.height); } } static void spl_get_vp_scan_direction(enum spl_rotation_angle rotation, bool horizontal_mirror, bool *orthogonal_rotation, bool *flip_vert_scan_dir, bool *flip_horz_scan_dir) { *orthogonal_rotation = false; *flip_vert_scan_dir = false; *flip_horz_scan_dir = false; if (rotation == SPL_ROTATION_ANGLE_180) { *flip_vert_scan_dir = true; *flip_horz_scan_dir = true; } else if (rotation == SPL_ROTATION_ANGLE_90) { *orthogonal_rotation = true; *flip_horz_scan_dir = true; } else if (rotation == SPL_ROTATION_ANGLE_270) { *orthogonal_rotation = true; *flip_vert_scan_dir = true; } if (horizontal_mirror) *flip_horz_scan_dir = !*flip_horz_scan_dir; } /* * We completely calculate vp offset, size and inits here based entirely on scaling * ratios and recout for pixel perfect pipe combine. */ static void spl_calculate_init_and_vp(bool flip_scan_dir, int recout_offset_within_recout_full, int recout_size, int src_size, int taps, struct fixed31_32 ratio, struct fixed31_32 init_adj, struct fixed31_32 *init, int *vp_offset, int *vp_size) { struct fixed31_32 temp; int int_part; /* * First of the taps starts sampling pixel number <init_int_part> corresponding to recout * pixel 1. Next recout pixel samples int part of <init + scaling ratio> and so on. * All following calculations are based on this logic. * * Init calculated according to formula: * init = (scaling_ratio + number_of_taps + 1) / 2 * init_bot = init + scaling_ratio * to get pixel perfect combine add the fraction from calculating vp offset */ temp = dc_fixpt_mul_int(ratio, recout_offset_within_recout_full); *vp_offset = dc_fixpt_floor(temp); temp.value &= 0xffffffff; *init = dc_fixpt_add(dc_fixpt_div_int(dc_fixpt_add_int(ratio, taps + 1), 2), temp); *init = dc_fixpt_add(*init, init_adj); *init = dc_fixpt_truncate(*init, 19); /* * If viewport has non 0 offset and there are more taps than covered by init then * we should decrease the offset and increase init so we are never sampling * outside of viewport. */ int_part = dc_fixpt_floor(*init); if (int_part < taps) { int_part = taps - int_part; if (int_part > *vp_offset) int_part = *vp_offset; *vp_offset -= int_part; *init = dc_fixpt_add_int(*init, int_part); } /* * If taps are sampling outside of viewport at end of recout and there are more pixels * available in the surface we should increase the viewport size, regardless set vp to * only what is used. */ temp = dc_fixpt_add(*init, dc_fixpt_mul_int(ratio, recout_size - 1)); *vp_size = dc_fixpt_floor(temp); if (*vp_size + *vp_offset > src_size) *vp_size = src_size - *vp_offset; /* We did all the math assuming we are scanning same direction as display does, * however mirror/rotation changes how vp scans vs how it is offset. If scan direction * is flipped we simply need to calculate offset from the other side of plane. * Note that outside of viewport all scaling hardware works in recout space. */ if (flip_scan_dir) *vp_offset = src_size - *vp_offset - *vp_size; } static bool spl_is_yuv420(enum spl_pixel_format format) { if ((format >= SPL_PIXEL_FORMAT_VIDEO_BEGIN) && (format <= SPL_PIXEL_FORMAT_VIDEO_END)) return true; return false; } /*Calculate inits and viewport */ static void spl_calculate_inits_and_viewports(struct spl_in *spl_in, struct spl_out *spl_out) { struct spl_rect src = spl_in->basic_in.src_rect; struct spl_rect recout_dst_in_active_timing; struct spl_rect recout_clip_in_active_timing; struct spl_rect recout_clip_in_recout_dst; struct spl_rect overlap_in_active_timing; struct spl_rect odm_slice = calculate_odm_slice_in_timing_active(spl_in); int vpc_div = (spl_in->basic_in.format == SPL_PIXEL_FORMAT_420BPP8 || spl_in->basic_in.format == SPL_PIXEL_FORMAT_420BPP10) ? 2 : 1; bool orthogonal_rotation, flip_vert_scan_dir, flip_horz_scan_dir; struct fixed31_32 init_adj_h = dc_fixpt_zero; struct fixed31_32 init_adj_v = dc_fixpt_zero; recout_clip_in_active_timing = shift_rec( &spl_out->scl_data.recout, odm_slice.x, odm_slice.y); recout_dst_in_active_timing = calculate_plane_rec_in_timing_active( spl_in, &spl_in->basic_in.dst_rect); overlap_in_active_timing = intersect_rec(&recout_clip_in_active_timing, &recout_dst_in_active_timing); if (overlap_in_active_timing.width > 0 && overlap_in_active_timing.height > 0) recout_clip_in_recout_dst = shift_rec(&overlap_in_active_timing, -recout_dst_in_active_timing.x, -recout_dst_in_active_timing.y); else memset(&recout_clip_in_recout_dst, 0, sizeof(struct spl_rect)); /* * Work in recout rotation since that requires less transformations */ spl_get_vp_scan_direction( spl_in->basic_in.rotation, spl_in->basic_in.horizontal_mirror, &orthogonal_rotation, &flip_vert_scan_dir, &flip_horz_scan_dir); if (orthogonal_rotation) { swap(src.width, src.height); swap(flip_vert_scan_dir, flip_horz_scan_dir); } if (spl_is_yuv420(spl_in->basic_in.format)) { /* this gives the direction of the cositing (negative will move * left, right otherwise) */ int sign = 1; switch (spl_in->basic_in.cositing) { case CHROMA_COSITING_LEFT: init_adj_h = dc_fixpt_zero; init_adj_v = dc_fixpt_from_fraction(sign, 2); break; case CHROMA_COSITING_NONE: init_adj_h = dc_fixpt_from_fraction(sign, 2); init_adj_v = dc_fixpt_from_fraction(sign, 2); break; case CHROMA_COSITING_TOPLEFT: default: init_adj_h = dc_fixpt_zero; init_adj_v = dc_fixpt_zero; break; } } spl_calculate_init_and_vp( flip_horz_scan_dir, recout_clip_in_recout_dst.x, spl_out->scl_data.recout.width, src.width, spl_out->scl_data.taps.h_taps, spl_out->scl_data.ratios.horz, dc_fixpt_zero, &spl_out->scl_data.inits.h, &spl_out->scl_data.viewport.x, &spl_out->scl_data.viewport.width); spl_calculate_init_and_vp( flip_horz_scan_dir, recout_clip_in_recout_dst.x, spl_out->scl_data.recout.width, src.width / vpc_div, spl_out->scl_data.taps.h_taps_c, spl_out->scl_data.ratios.horz_c, init_adj_h, &spl_out->scl_data.inits.h_c, &spl_out->scl_data.viewport_c.x, &spl_out->scl_data.viewport_c.width); spl_calculate_init_and_vp( flip_vert_scan_dir, recout_clip_in_recout_dst.y, spl_out->scl_data.recout.height, src.height, spl_out->scl_data.taps.v_taps, spl_out->scl_data.ratios.vert, dc_fixpt_zero, &spl_out->scl_data.inits.v, &spl_out->scl_data.viewport.y, &spl_out->scl_data.viewport.height); spl_calculate_init_and_vp( flip_vert_scan_dir, recout_clip_in_recout_dst.y, spl_out->scl_data.recout.height, src.height / vpc_div, spl_out->scl_data.taps.v_taps_c, spl_out->scl_data.ratios.vert_c, init_adj_v, &spl_out->scl_data.inits.v_c, &spl_out->scl_data.viewport_c.y, &spl_out->scl_data.viewport_c.height); if (orthogonal_rotation) { swap(spl_out->scl_data.viewport.x, spl_out->scl_data.viewport.y); swap(spl_out->scl_data.viewport.width, spl_out->scl_data.viewport.height); swap(spl_out->scl_data.viewport_c.x, spl_out->scl_data.viewport_c.y); swap(spl_out->scl_data.viewport_c.width, spl_out->scl_data.viewport_c.height); } spl_out->scl_data.viewport.x += src.x; spl_out->scl_data.viewport.y += src.y; ASSERT(src.x % vpc_div == 0 && src.y % vpc_div == 0); spl_out->scl_data.viewport_c.x += src.x / vpc_div; spl_out->scl_data.viewport_c.y += src.y / vpc_div; } static void spl_handle_3d_recout(struct spl_in *spl_in, struct spl_rect *recout) { /* * Handle side by side and top bottom 3d recout offsets after vp calculation * since 3d is special and needs to calculate vp as if there is no recout offset * This may break with rotation, good thing we aren't mixing hw rotation and 3d */ if (spl_in->basic_in.mpc_combine_v) { ASSERT(spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_0 || (spl_in->basic_out.view_format != SPL_VIEW_3D_TOP_AND_BOTTOM && spl_in->basic_out.view_format != SPL_VIEW_3D_SIDE_BY_SIDE)); if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) recout->y += recout->height; else if (spl_in->basic_out.view_format == SPL_VIEW_3D_SIDE_BY_SIDE) recout->x += recout->width; } } static void spl_clamp_viewport(struct spl_rect *viewport) { /* Clamp minimum viewport size */ if (viewport->height < MIN_VIEWPORT_SIZE) viewport->height = MIN_VIEWPORT_SIZE; if (viewport->width < MIN_VIEWPORT_SIZE) viewport->width = MIN_VIEWPORT_SIZE; } static bool spl_dscl_is_420_format(enum spl_pixel_format format) { if (format == SPL_PIXEL_FORMAT_420BPP8 || format == SPL_PIXEL_FORMAT_420BPP10) return true; else return false; } static bool spl_dscl_is_video_format(enum spl_pixel_format format) { if (format >= SPL_PIXEL_FORMAT_VIDEO_BEGIN && format <= SPL_PIXEL_FORMAT_VIDEO_END) return true; else return false; } static enum scl_mode spl_get_dscl_mode(const struct spl_in *spl_in, const struct spl_scaler_data *data) { const long long one = dc_fixpt_one.value; enum spl_pixel_format pixel_format = spl_in->basic_in.format; if (data->ratios.horz.value == one && data->ratios.vert.value == one && data->ratios.horz_c.value == one && data->ratios.vert_c.value == one && !spl_in->basic_out.always_scale) return SCL_MODE_SCALING_444_BYPASS; if (!spl_dscl_is_420_format(pixel_format)) { if (spl_dscl_is_video_format(pixel_format)) return SCL_MODE_SCALING_444_YCBCR_ENABLE; else return SCL_MODE_SCALING_444_RGB_ENABLE; } if (data->ratios.horz.value == one && data->ratios.vert.value == one) return SCL_MODE_SCALING_420_LUMA_BYPASS; if (data->ratios.horz_c.value == one && data->ratios.vert_c.value == one) return SCL_MODE_SCALING_420_CHROMA_BYPASS; return SCL_MODE_SCALING_420_YCBCR_ENABLE; } /* Calculate optimal number of taps */ static bool spl_get_optimal_number_of_taps( int max_downscale_src_width, struct spl_in *spl_in, struct spl_out *spl_out, const struct spl_taps *in_taps) { int num_part_y, num_part_c; int max_taps_y, max_taps_c; int min_taps_y, min_taps_c; enum lb_memory_config lb_config; if (spl_out->scl_data.viewport.width > spl_out->scl_data.h_active && max_downscale_src_width != 0 && spl_out->scl_data.viewport.width > max_downscale_src_width) return false; /* * Set default taps if none are provided * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling * taps = 4 for upscaling */ if (in_taps->h_taps == 0) { if (dc_fixpt_ceil(spl_out->scl_data.ratios.horz) > 1) spl_out->scl_data.taps.h_taps = min(2 * dc_fixpt_ceil(spl_out->scl_data.ratios.horz), 8); else spl_out->scl_data.taps.h_taps = 4; } else spl_out->scl_data.taps.h_taps = in_taps->h_taps; if (in_taps->v_taps == 0) { if (dc_fixpt_ceil(spl_out->scl_data.ratios.vert) > 1) spl_out->scl_data.taps.v_taps = min(dc_fixpt_ceil(dc_fixpt_mul_int( spl_out->scl_data.ratios.vert, 2)), 8); else spl_out->scl_data.taps.v_taps = 4; } else spl_out->scl_data.taps.v_taps = in_taps->v_taps; if (in_taps->v_taps_c == 0) { if (dc_fixpt_ceil(spl_out->scl_data.ratios.vert_c) > 1) spl_out->scl_data.taps.v_taps_c = min(dc_fixpt_ceil(dc_fixpt_mul_int( spl_out->scl_data.ratios.vert_c, 2)), 8); else spl_out->scl_data.taps.v_taps_c = 4; } else spl_out->scl_data.taps.v_taps_c = in_taps->v_taps_c; if (in_taps->h_taps_c == 0) { if (dc_fixpt_ceil(spl_out->scl_data.ratios.horz_c) > 1) spl_out->scl_data.taps.h_taps_c = min(2 * dc_fixpt_ceil(spl_out->scl_data.ratios.horz_c), 8); else spl_out->scl_data.taps.h_taps_c = 4; } else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1) /* Only 1 and even h_taps_c are supported by hw */ spl_out->scl_data.taps.h_taps_c = in_taps->h_taps_c - 1; else spl_out->scl_data.taps.h_taps_c = in_taps->h_taps_c; /*Ensure we can support the requested number of vtaps*/ min_taps_y = dc_fixpt_ceil(spl_out->scl_data.ratios.vert); min_taps_c = dc_fixpt_ceil(spl_out->scl_data.ratios.vert_c); /* Use LB_MEMORY_CONFIG_3 for 4:2:0 */ if ((spl_in->basic_in.format == SPL_PIXEL_FORMAT_420BPP8) || (spl_in->basic_in.format == SPL_PIXEL_FORMAT_420BPP10)) lb_config = LB_MEMORY_CONFIG_3; else lb_config = LB_MEMORY_CONFIG_0; // Determine max vtap support by calculating how much line buffer can fit spl_in->funcs->spl_calc_lb_num_partitions(spl_in->basic_out.alpha_en, &spl_out->scl_data, lb_config, &num_part_y, &num_part_c); /* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */ if (dc_fixpt_ceil(spl_out->scl_data.ratios.vert) > 2) max_taps_y = num_part_y - (dc_fixpt_ceil(spl_out->scl_data.ratios.vert) - 2); else max_taps_y = num_part_y; if (dc_fixpt_ceil(spl_out->scl_data.ratios.vert_c) > 2) max_taps_c = num_part_c - (dc_fixpt_ceil(spl_out->scl_data.ratios.vert_c) - 2); else max_taps_c = num_part_c; if (max_taps_y < min_taps_y) return false; else if (max_taps_c < min_taps_c) return false; if (spl_out->scl_data.taps.v_taps > max_taps_y) spl_out->scl_data.taps.v_taps = max_taps_y; if (spl_out->scl_data.taps.v_taps_c > max_taps_c) spl_out->scl_data.taps.v_taps_c = max_taps_c; if (spl_in->prefer_easf) { // EASF can be enabled only for taps 3,4,6 // If optimal no of taps is 5, then set it to 4 // If optimal no of taps is 7 or 8, then set it to 6 if (spl_out->scl_data.taps.v_taps == 5) spl_out->scl_data.taps.v_taps = 4; if (spl_out->scl_data.taps.v_taps == 7 || spl_out->scl_data.taps.v_taps == 8) spl_out->scl_data.taps.v_taps = 6; if (spl_out->scl_data.taps.v_taps_c == 5) spl_out->scl_data.taps.v_taps_c = 4; if (spl_out->scl_data.taps.v_taps_c == 7 || spl_out->scl_data.taps.v_taps_c == 8) spl_out->scl_data.taps.v_taps_c = 6; if (spl_out->scl_data.taps.h_taps == 5) spl_out->scl_data.taps.h_taps = 4; if (spl_out->scl_data.taps.h_taps == 7 || spl_out->scl_data.taps.h_taps == 8) spl_out->scl_data.taps.h_taps = 6; if (spl_out->scl_data.taps.h_taps_c == 5) spl_out->scl_data.taps.h_taps_c = 4; if (spl_out->scl_data.taps.h_taps_c == 7 || spl_out->scl_data.taps.h_taps_c == 8) spl_out->scl_data.taps.h_taps_c = 6; } // end of if prefer_easf if (!spl_in->basic_out.always_scale) { if (IDENTITY_RATIO(spl_out->scl_data.ratios.horz)) spl_out->scl_data.taps.h_taps = 1; if (IDENTITY_RATIO(spl_out->scl_data.ratios.vert)) spl_out->scl_data.taps.v_taps = 1; if (IDENTITY_RATIO(spl_out->scl_data.ratios.horz_c)) spl_out->scl_data.taps.h_taps_c = 1; if (IDENTITY_RATIO(spl_out->scl_data.ratios.vert_c)) spl_out->scl_data.taps.v_taps_c = 1; } return true; } static void spl_set_black_color_data(enum spl_pixel_format format, struct scl_black_color *scl_black_color) { bool ycbcr = format >= SPL_PIXEL_FORMAT_VIDEO_BEGIN && format <= SPL_PIXEL_FORMAT_VIDEO_END; if (ycbcr) { scl_black_color->offset_rgb_y = BLACK_OFFSET_RGB_Y; scl_black_color->offset_rgb_cbcr = BLACK_OFFSET_CBCR; } else { scl_black_color->offset_rgb_y = 0x0; scl_black_color->offset_rgb_cbcr = 0x0; } } static void spl_set_manual_ratio_init_data(struct dscl_prog_data *dscl_prog_data, const struct spl_scaler_data *scl_data) { struct fixed31_32 bot; dscl_prog_data->ratios.h_scale_ratio = dc_fixpt_u3d19(scl_data->ratios.horz) << 5; dscl_prog_data->ratios.v_scale_ratio = dc_fixpt_u3d19(scl_data->ratios.vert) << 5; dscl_prog_data->ratios.h_scale_ratio_c = dc_fixpt_u3d19(scl_data->ratios.horz_c) << 5; dscl_prog_data->ratios.v_scale_ratio_c = dc_fixpt_u3d19(scl_data->ratios.vert_c) << 5; /* * 0.24 format for fraction, first five bits zeroed */ dscl_prog_data->init.h_filter_init_frac = dc_fixpt_u0d19(scl_data->inits.h) << 5; dscl_prog_data->init.h_filter_init_int = dc_fixpt_floor(scl_data->inits.h); dscl_prog_data->init.h_filter_init_frac_c = dc_fixpt_u0d19(scl_data->inits.h_c) << 5; dscl_prog_data->init.h_filter_init_int_c = dc_fixpt_floor(scl_data->inits.h_c); dscl_prog_data->init.v_filter_init_frac = dc_fixpt_u0d19(scl_data->inits.v) << 5; dscl_prog_data->init.v_filter_init_int = dc_fixpt_floor(scl_data->inits.v); dscl_prog_data->init.v_filter_init_frac_c = dc_fixpt_u0d19(scl_data->inits.v_c) << 5; dscl_prog_data->init.v_filter_init_int_c = dc_fixpt_floor(scl_data->inits.v_c); bot = dc_fixpt_add(scl_data->inits.v, scl_data->ratios.vert); dscl_prog_data->init.v_filter_init_bot_frac = dc_fixpt_u0d19(bot) << 5; dscl_prog_data->init.v_filter_init_bot_int = dc_fixpt_floor(bot); bot = dc_fixpt_add(scl_data->inits.v_c, scl_data->ratios.vert_c); dscl_prog_data->init.v_filter_init_bot_frac_c = dc_fixpt_u0d19(bot) << 5; dscl_prog_data->init.v_filter_init_bot_int_c = dc_fixpt_floor(bot); } static void spl_set_taps_data(struct dscl_prog_data *dscl_prog_data, const struct spl_scaler_data *scl_data) { dscl_prog_data->taps.v_taps = scl_data->taps.v_taps - 1; dscl_prog_data->taps.h_taps = scl_data->taps.h_taps - 1; dscl_prog_data->taps.v_taps_c = scl_data->taps.v_taps_c - 1; dscl_prog_data->taps.h_taps_c = scl_data->taps.h_taps_c - 1; } static const uint16_t *spl_dscl_get_filter_coeffs_64p(int taps, struct fixed31_32 ratio) { if (taps == 8) return spl_get_filter_8tap_64p(ratio); else if (taps == 7) return spl_get_filter_7tap_64p(ratio); else if (taps == 6) return spl_get_filter_6tap_64p(ratio); else if (taps == 5) return spl_get_filter_5tap_64p(ratio); else if (taps == 4) return spl_get_filter_4tap_64p(ratio); else if (taps == 3) return spl_get_filter_3tap_64p(ratio); else if (taps == 2) return spl_get_filter_2tap_64p(); else if (taps == 1) return NULL; else { /* should never happen, bug */ return NULL; } } static void spl_set_filters_data(struct dscl_prog_data *dscl_prog_data, const struct spl_scaler_data *data) { dscl_prog_data->filter_h = spl_dscl_get_filter_coeffs_64p( data->taps.h_taps, data->ratios.horz); dscl_prog_data->filter_v = spl_dscl_get_filter_coeffs_64p( data->taps.v_taps, data->ratios.vert); dscl_prog_data->filter_h_c = spl_dscl_get_filter_coeffs_64p( data->taps.h_taps_c, data->ratios.horz_c); dscl_prog_data->filter_v_c = spl_dscl_get_filter_coeffs_64p( data->taps.v_taps_c, data->ratios.vert_c); } static const uint16_t *spl_dscl_get_blur_scale_coeffs_64p(int taps) { if ((taps == 3) || (taps == 4) || (taps == 6)) return spl_get_filter_isharp_bs_4tap_64p(); else { /* should never happen, bug */ return NULL; } } static void spl_set_blur_scale_data(struct dscl_prog_data *dscl_prog_data, const struct spl_scaler_data *data) { dscl_prog_data->filter_blur_scale_h = spl_dscl_get_blur_scale_coeffs_64p( data->taps.h_taps); dscl_prog_data->filter_blur_scale_v = spl_dscl_get_blur_scale_coeffs_64p( data->taps.v_taps); } /* Populate dscl prog data structure from scaler data calculated by SPL */ static void spl_set_dscl_prog_data(struct spl_in *spl_in, struct spl_out *spl_out) { struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data; const struct spl_scaler_data *data = &spl_out->scl_data; struct scl_black_color *scl_black_color = &dscl_prog_data->scl_black_color; // Set values for recout dscl_prog_data->recout = spl_out->scl_data.recout; // Set values for MPC Size dscl_prog_data->mpc_size.width = spl_out->scl_data.h_active; dscl_prog_data->mpc_size.height = spl_out->scl_data.v_active; // SCL_MODE - Set SCL_MODE data dscl_prog_data->dscl_mode = spl_get_dscl_mode(spl_in, data); // SCL_BLACK_COLOR spl_set_black_color_data(spl_in->basic_in.format, scl_black_color); /* Manually calculate scale ratio and init values */ spl_set_manual_ratio_init_data(dscl_prog_data, data); // Set HTaps/VTaps spl_set_taps_data(dscl_prog_data, data); // Set viewport dscl_prog_data->viewport = spl_out->scl_data.viewport; // Set viewport_c dscl_prog_data->viewport_c = spl_out->scl_data.viewport_c; // Set filters data spl_set_filters_data(dscl_prog_data, data); } /* Enable EASF ?*/ static bool enable_easf(int scale_ratio, int taps, enum linear_light_scaling lls_pref, bool prefer_easf) { // Is downscaling > 6:1 ? if (scale_ratio > 6) { // END - No EASF support for downscaling > 6:1 return false; } // Is upscaling or downscaling up to 2:1? if (scale_ratio <= 2) { // Is linear scaling or EASF preferred? if (lls_pref == LLS_PREF_YES || prefer_easf) { // LB support taps 3, 4, 6 if (taps == 3 || taps == 4 || taps == 6) { // END - EASF supported return true; } } } // END - EASF not supported return false; } /* Set EASF data */ static void spl_set_easf_data(struct dscl_prog_data *dscl_prog_data, bool enable_easf_v, bool enable_easf_h, enum linear_light_scaling lls_pref, enum spl_pixel_format format) { if (spl_is_yuv420(format)) /* TODO: 0 = RGB, 1 = YUV */ dscl_prog_data->easf_matrix_mode = 1; else dscl_prog_data->easf_matrix_mode = 0; if (enable_easf_v) { dscl_prog_data->easf_v_en = true; dscl_prog_data->easf_v_ring = 0; dscl_prog_data->easf_v_sharp_factor = 1; dscl_prog_data->easf_v_bf1_en = 1; // 1-bit, BF1 calculation enable, 0=disable, 1=enable dscl_prog_data->easf_v_bf2_mode = 0xF; // 4-bit, BF2 calculation mode dscl_prog_data->easf_v_bf3_mode = 2; // 2-bit, BF3 chroma mode correction calculation mode dscl_prog_data->easf_v_bf2_flat1_gain = 4; // U1.3, BF2 Flat1 Gain control dscl_prog_data->easf_v_bf2_flat2_gain = 8; // U4.0, BF2 Flat2 Gain control dscl_prog_data->easf_v_bf2_roc_gain = 4; // U2.2, Rate Of Change control dscl_prog_data->easf_v_ringest_3tap_dntilt_uptilt = 0x9F00;// FP1.5.10 [minCoef] (-0.036109167214271) dscl_prog_data->easf_v_ringest_3tap_uptilt_max = 0x24FE; // FP1.5.10 [upTiltMaxVal] ( 0.904556445553545) dscl_prog_data->easf_v_ringest_3tap_dntilt_slope = 0x3940; // FP1.5.10 [dnTiltSlope] ( 0.910488988173371) dscl_prog_data->easf_v_ringest_3tap_uptilt1_slope = 0x359C; // FP1.5.10 [upTilt1Slope] ( 0.125620179040899) dscl_prog_data->easf_v_ringest_3tap_uptilt2_slope = 0x359C; // FP1.5.10 [upTilt2Slope] ( 0.006786817723568) dscl_prog_data->easf_v_ringest_3tap_uptilt2_offset = 0x9F00; // FP1.5.10 [upTilt2Offset] (-0.006139059716651) dscl_prog_data->easf_v_ringest_eventap_reduceg1 = 0x4000; // FP1.5.10; (2.0) Ring reducer gain for 4 or 6-tap mode [H_REDUCER_GAIN4] dscl_prog_data->easf_v_ringest_eventap_reduceg2 = 0x4100; // FP1.5.10; (2.5) Ring reducer gain for 6-tap mode [V_REDUCER_GAIN6] dscl_prog_data->easf_v_ringest_eventap_gain1 = 0xB058; // FP1.5.10; (-0.135742) Ring gain for 6-tap set to -139/1024 dscl_prog_data->easf_v_ringest_eventap_gain2 = 0xA640; // FP1.5.10; (-0.024414) Ring gain for 6-tap set to -25/1024 dscl_prog_data->easf_v_bf_maxa = 63; //Vertical Max BF value A in U0.6 format.Selected if V_FCNTL == 0 dscl_prog_data->easf_v_bf_maxb = 63; //Vertical Max BF value A in U0.6 format.Selected if V_FCNTL == 1 dscl_prog_data->easf_v_bf_mina = 0; //Vertical Min BF value A in U0.6 format.Selected if V_FCNTL == 0 dscl_prog_data->easf_v_bf_minb = 0; //Vertical Min BF value A in U0.6 format.Selected if V_FCNTL == 1 dscl_prog_data->easf_v_bf1_pwl_in_seg0 = -512; // S0.10, BF1 PWL Segment 0 dscl_prog_data->easf_v_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 dscl_prog_data->easf_v_bf1_pwl_slope_seg0 = 3; // S7.3, BF1 Slope PWL Segment 0 dscl_prog_data->easf_v_bf1_pwl_in_seg1 = -20; // S0.10, BF1 PWL Segment 1 dscl_prog_data->easf_v_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 dscl_prog_data->easf_v_bf1_pwl_slope_seg1 = 326; // S7.3, BF1 Slope PWL Segment 1 dscl_prog_data->easf_v_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_in_seg3 = 16; // S0.10, BF1 PWL Segment 3 dscl_prog_data->easf_v_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 dscl_prog_data->easf_v_bf1_pwl_slope_seg3 = -56; // S7.3, BF1 Slope PWL Segment 3 dscl_prog_data->easf_v_bf1_pwl_in_seg4 = 32; // S0.10, BF1 PWL Segment 4 dscl_prog_data->easf_v_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 dscl_prog_data->easf_v_bf1_pwl_slope_seg4 = -48; // S7.3, BF1 Slope PWL Segment 4 dscl_prog_data->easf_v_bf1_pwl_in_seg5 = 48; // S0.10, BF1 PWL Segment 5 dscl_prog_data->easf_v_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 dscl_prog_data->easf_v_bf1_pwl_slope_seg5 = -240; // S7.3, BF1 Slope PWL Segment 5 dscl_prog_data->easf_v_bf1_pwl_in_seg6 = 64; // S0.10, BF1 PWL Segment 6 dscl_prog_data->easf_v_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 dscl_prog_data->easf_v_bf1_pwl_slope_seg6 = -160; // S7.3, BF1 Slope PWL Segment 6 dscl_prog_data->easf_v_bf1_pwl_in_seg7 = 80; // S0.10, BF1 PWL Segment 7 dscl_prog_data->easf_v_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 if (lls_pref == LLS_PREF_YES) { dscl_prog_data->easf_v_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_slope_set0 = 0x12C5; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_in_set1 = 0x0B37; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0078125 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set1 = 62; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_slope_set1 = 0x13B8; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_in_set2 = 0x0BB7; // FP0.6.6, BF3 Input value PWL Segment 2 (0.03125 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_slope_set2 = 0x1356; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_in_set3 = 0x0BF7; // FP0.6.6, BF3 Input value PWL Segment 3 (0.0625 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_slope_set3 = 0x136B; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_in_set4 = 0x0C37; // FP0.6.6, BF3 Input value PWL Segment 4 (0.125 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set4 = -50; // S0.6, BF3 Base PWL Segment 4 dscl_prog_data->easf_v_bf3_pwl_slope_set4 = 0x1200; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_v_bf3_pwl_in_set5 = 0x0CF7; // FP0.6.6, BF3 Input value PWL Segment 5 (1.0 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set5 = -63; // S0.6, BF3 Base PWL Segment 5 } else { dscl_prog_data->easf_v_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_slope_set0 = 0x0000; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_in_set1 = 0x06C0; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0625) dscl_prog_data->easf_v_bf3_pwl_base_set1 = 63; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_slope_set1 = 0x1896; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_in_set2 = 0x0700; // FP0.6.6, BF3 Input value PWL Segment 2 (0.125) dscl_prog_data->easf_v_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_slope_set2 = 0x1810; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_in_set3 = 0x0740; // FP0.6.6, BF3 Input value PWL Segment 3 (0.25) dscl_prog_data->easf_v_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_slope_set3 = 0x1878; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_in_set4 = 0x0761; // FP0.6.6, BF3 Input value PWL Segment 4 (0.375) dscl_prog_data->easf_v_bf3_pwl_base_set4 = -60; // S0.6, BF3 Base PWL Segment 4 dscl_prog_data->easf_v_bf3_pwl_slope_set4 = 0x1760; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_v_bf3_pwl_in_set5 = 0x0780; // FP0.6.6, BF3 Input value PWL Segment 5 (0.5) dscl_prog_data->easf_v_bf3_pwl_base_set5 = -63; // S0.6, BF3 Base PWL Segment 5 } } else dscl_prog_data->easf_v_en = false; if (enable_easf_h) { dscl_prog_data->easf_h_en = true; dscl_prog_data->easf_h_ring = 0; dscl_prog_data->easf_h_sharp_factor = 1; dscl_prog_data->easf_h_bf1_en = 1; // 1-bit, BF1 calculation enable, 0=disable, 1=enable dscl_prog_data->easf_h_bf2_mode = 0xF; // 4-bit, BF2 calculation mode dscl_prog_data->easf_h_bf3_mode = 2; // 2-bit, BF3 chroma mode correction calculation mode dscl_prog_data->easf_h_bf2_flat1_gain = 4; // U1.3, BF2 Flat1 Gain control dscl_prog_data->easf_h_bf2_flat2_gain = 8; // U4.0, BF2 Flat2 Gain control dscl_prog_data->easf_h_bf2_roc_gain = 4; // U2.2, Rate Of Change control dscl_prog_data->easf_h_ringest_eventap_reduceg1 = 0x4000; // FP1.5.10; (2.0) Ring reducer gain for 4 or 6-tap mode [H_REDUCER_GAIN4] dscl_prog_data->easf_h_ringest_eventap_reduceg2 = 0x4100; // FP1.5.10; (2.5) Ring reducer gain for 6-tap mode [V_REDUCER_GAIN6] dscl_prog_data->easf_h_ringest_eventap_gain1 = 0xB058; // FP1.5.10; (-0.135742) Ring gain for 6-tap set to -139/1024 dscl_prog_data->easf_h_ringest_eventap_gain2 = 0xA640; // FP1.5.10; (-0.024414) Ring gain for 6-tap set to -25/1024 dscl_prog_data->easf_h_bf_maxa = 63; //Horz Max BF value A in U0.6 format.Selected if H_FCNTL==0 dscl_prog_data->easf_h_bf_maxb = 63; //Horz Max BF value B in U0.6 format.Selected if H_FCNTL==1 dscl_prog_data->easf_h_bf_mina = 0; //Horz Min BF value B in U0.6 format.Selected if H_FCNTL==0 dscl_prog_data->easf_h_bf_minb = 0; //Horz Min BF value B in U0.6 format.Selected if H_FCNTL==1 dscl_prog_data->easf_h_bf1_pwl_in_seg0 = -512; // S0.10, BF1 PWL Segment 0 dscl_prog_data->easf_h_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 dscl_prog_data->easf_h_bf1_pwl_slope_seg0 = 3; // S7.3, BF1 Slope PWL Segment 0 dscl_prog_data->easf_h_bf1_pwl_in_seg1 = -20; // S0.10, BF1 PWL Segment 1 dscl_prog_data->easf_h_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 dscl_prog_data->easf_h_bf1_pwl_slope_seg1 = 326; // S7.3, BF1 Slope PWL Segment 1 dscl_prog_data->easf_h_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_in_seg3 = 16; // S0.10, BF1 PWL Segment 3 dscl_prog_data->easf_h_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 dscl_prog_data->easf_h_bf1_pwl_slope_seg3 = -56; // S7.3, BF1 Slope PWL Segment 3 dscl_prog_data->easf_h_bf1_pwl_in_seg4 = 32; // S0.10, BF1 PWL Segment 4 dscl_prog_data->easf_h_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 dscl_prog_data->easf_h_bf1_pwl_slope_seg4 = -48; // S7.3, BF1 Slope PWL Segment 4 dscl_prog_data->easf_h_bf1_pwl_in_seg5 = 48; // S0.10, BF1 PWL Segment 5 dscl_prog_data->easf_h_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 dscl_prog_data->easf_h_bf1_pwl_slope_seg5 = -240; // S7.3, BF1 Slope PWL Segment 5 dscl_prog_data->easf_h_bf1_pwl_in_seg6 = 64; // S0.10, BF1 PWL Segment 6 dscl_prog_data->easf_h_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 dscl_prog_data->easf_h_bf1_pwl_slope_seg6 = -160; // S7.3, BF1 Slope PWL Segment 6 dscl_prog_data->easf_h_bf1_pwl_in_seg7 = 80; // S0.10, BF1 PWL Segment 7 dscl_prog_data->easf_h_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 if (lls_pref == LLS_PREF_YES) { dscl_prog_data->easf_h_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_slope_set0 = 0x12C5; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_in_set1 = 0x0B37; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0078125 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set1 = 62; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_slope_set1 = 0x13B8; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_in_set2 = 0x0BB7; // FP0.6.6, BF3 Input value PWL Segment 2 (0.03125 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_slope_set2 = 0x1356; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_in_set3 = 0x0BF7; // FP0.6.6, BF3 Input value PWL Segment 3 (0.0625 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_slope_set3 = 0x136B; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_in_set4 = 0x0C37; // FP0.6.6, BF3 Input value PWL Segment 4 (0.125 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set4 = -50; // S0.6, BF3 Base PWL Segment 4 dscl_prog_data->easf_h_bf3_pwl_slope_set4 = 0x1200; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_h_bf3_pwl_in_set5 = 0x0CF7; // FP0.6.6, BF3 Input value PWL Segment 5 (1.0 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set5 = -63; // S0.6, BF3 Base PWL Segment 5 } else { dscl_prog_data->easf_h_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_slope_set0 = 0x0000; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_in_set1 = 0x06C0; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0625) dscl_prog_data->easf_h_bf3_pwl_base_set1 = 63; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_slope_set1 = 0x1896; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_in_set2 = 0x0700; // FP0.6.6, BF3 Input value PWL Segment 2 (0.125) dscl_prog_data->easf_h_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_slope_set2 = 0x1810; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_in_set3 = 0x0740; // FP0.6.6, BF3 Input value PWL Segment 3 (0.25) dscl_prog_data->easf_h_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_slope_set3 = 0x1878; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_in_set4 = 0x0761; // FP0.6.6, BF3 Input value PWL Segment 4 (0.375) dscl_prog_data->easf_h_bf3_pwl_base_set4 = -60; // S0.6, BF3 Base PWL Segment 4 dscl_prog_data->easf_h_bf3_pwl_slope_set4 = 0x1760; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_h_bf3_pwl_in_set5 = 0x0780; // FP0.6.6, BF3 Input value PWL Segment 5 (0.5) dscl_prog_data->easf_h_bf3_pwl_base_set5 = -63; // S0.6, BF3 Base PWL Segment 5 } // if (lls_pref == LLS_PREF_YES) } else dscl_prog_data->easf_h_en = false; if (lls_pref == LLS_PREF_YES) { dscl_prog_data->easf_ltonl_en = 1; // Linear input dscl_prog_data->easf_matrix_c0 = 0x504E; // fp1.5.10, C0 coefficient (LN_BT2020: 0.2627 * (2^14)/125 = 34.43750000) dscl_prog_data->easf_matrix_c1 = 0x558E; // fp1.5.10, C1 coefficient (LN_BT2020: 0.6780 * (2^14)/125 = 88.87500000) dscl_prog_data->easf_matrix_c2 = 0x47C6; // fp1.5.10, C2 coefficient (LN_BT2020: 0.0593 * (2^14)/125 = 7.77343750) dscl_prog_data->easf_matrix_c3 = 0x0; // fp1.5.10, C3 coefficient } else { dscl_prog_data->easf_ltonl_en = 0; // Non-Linear input dscl_prog_data->easf_matrix_c0 = 0x3434; // fp1.5.10, C0 coefficient (LN_BT2020: 0.262695312500000) dscl_prog_data->easf_matrix_c1 = 0x396D; // fp1.5.10, C1 coefficient (LN_BT2020: 0.678222656250000) dscl_prog_data->easf_matrix_c2 = 0x2B97; // fp1.5.10, C2 coefficient (LN_BT2020: 0.059295654296875) dscl_prog_data->easf_matrix_c3 = 0x0; // fp1.5.10, C3 coefficient } } /*Set isharp noise detection */ static void spl_set_isharp_noise_det_mode(struct dscl_prog_data *dscl_prog_data) { // ISHARP_NOISEDET_MODE // 0: 3x5 as VxH // 1: 4x5 as VxH // 2: // 3: 5x5 as VxH if (dscl_prog_data->taps.v_taps == 6) dscl_prog_data->isharp_noise_det.mode = 3; // ISHARP_NOISEDET_MODE else if (dscl_prog_data->taps.h_taps == 4) dscl_prog_data->isharp_noise_det.mode = 1; // ISHARP_NOISEDET_MODE else if (dscl_prog_data->taps.h_taps == 3) dscl_prog_data->isharp_noise_det.mode = 0; // ISHARP_NOISEDET_MODE }; /* Set Sharpener data */ static void spl_set_isharp_data(struct dscl_prog_data *dscl_prog_data, struct adaptive_sharpness adp_sharpness, bool enable_isharp, enum linear_light_scaling lls_pref, enum spl_pixel_format format, const struct spl_scaler_data *data) { /* Turn off sharpener if not required */ if (!enable_isharp) { dscl_prog_data->isharp_en = 0; return; } dscl_prog_data->isharp_en = 1; // ISHARP_EN dscl_prog_data->isharp_noise_det.enable = 1; // ISHARP_NOISEDET_EN // Set ISHARP_NOISEDET_MODE if htaps = 6-tap if (dscl_prog_data->taps.h_taps == 6) spl_set_isharp_noise_det_mode(dscl_prog_data); // ISHARP_NOISEDET_MODE // Program noise detection threshold dscl_prog_data->isharp_noise_det.uthreshold = 24; // ISHARP_NOISEDET_UTHRE dscl_prog_data->isharp_noise_det.dthreshold = 4; // ISHARP_NOISEDET_DTHRE // Program noise detection gain dscl_prog_data->isharp_noise_det.pwl_start_in = 3; // ISHARP_NOISEDET_PWL_START_IN dscl_prog_data->isharp_noise_det.pwl_end_in = 13; // ISHARP_NOISEDET_PWL_END_IN dscl_prog_data->isharp_noise_det.pwl_slope = 1623; // ISHARP_NOISEDET_PWL_SLOPE if ((lls_pref == LLS_PREF_NO) && !spl_is_yuv420(format)) /* ISHARP_FMT_MODE */ dscl_prog_data->isharp_fmt.mode = 1; else dscl_prog_data->isharp_fmt.mode = 0; dscl_prog_data->isharp_fmt.norm = 0x3C00; // ISHARP_FMT_NORM dscl_prog_data->isharp_lba.mode = 0; // ISHARP_LBA_MODE // ISHARP_LBA_PWL_SEG0: ISHARP Local Brightness Adjustment PWL Segment 0 dscl_prog_data->isharp_lba.in_seg[0] = 0; // ISHARP LBA PWL for Seg 0. INPUT value in U0.10 format dscl_prog_data->isharp_lba.base_seg[0] = 0; // ISHARP LBA PWL for Seg 0. BASE value in U0.6 format dscl_prog_data->isharp_lba.slope_seg[0] = 32; // ISHARP LBA for Seg 0. SLOPE value in S5.3 format // ISHARP_LBA_PWL_SEG1: ISHARP LBA PWL Segment 1 dscl_prog_data->isharp_lba.in_seg[1] = 256; // ISHARP LBA PWL for Seg 1. INPUT value in U0.10 format dscl_prog_data->isharp_lba.base_seg[1] = 63; // ISHARP LBA PWL for Seg 1. BASE value in U0.6 format dscl_prog_data->isharp_lba.slope_seg[1] = 0; // ISHARP LBA for Seg 1. SLOPE value in S5.3 format // ISHARP_LBA_PWL_SEG2: ISHARP LBA PWL Segment 2 dscl_prog_data->isharp_lba.in_seg[2] = 614; // ISHARP LBA PWL for Seg 2. INPUT value in U0.10 format dscl_prog_data->isharp_lba.base_seg[2] = 63; // ISHARP LBA PWL for Seg 2. BASE value in U0.6 format dscl_prog_data->isharp_lba.slope_seg[2] = -20; // ISHARP LBA for Seg 2. SLOPE value in S5.3 format // ISHARP_LBA_PWL_SEG3: ISHARP LBA PWL Segment 3 dscl_prog_data->isharp_lba.in_seg[3] = 1023; // ISHARP LBA PWL for Seg 3.INPUT value in U0.10 format dscl_prog_data->isharp_lba.base_seg[3] = 0; // ISHARP LBA PWL for Seg 3. BASE value in U0.6 format dscl_prog_data->isharp_lba.slope_seg[3] = 0; // ISHARP LBA for Seg 3. SLOPE value in S5.3 format // ISHARP_LBA_PWL_SEG4: ISHARP LBA PWL Segment 4 dscl_prog_data->isharp_lba.in_seg[4] = 1023; // ISHARP LBA PWL for Seg 4.INPUT value in U0.10 format dscl_prog_data->isharp_lba.base_seg[4] = 0; // ISHARP LBA PWL for Seg 4. BASE value in U0.6 format dscl_prog_data->isharp_lba.slope_seg[4] = 0; // ISHARP LBA for Seg 4. SLOPE value in S5.3 format // ISHARP_LBA_PWL_SEG5: ISHARP LBA PWL Segment 5 dscl_prog_data->isharp_lba.in_seg[5] = 1023; // ISHARP LBA PWL for Seg 5.INPUT value in U0.10 format dscl_prog_data->isharp_lba.base_seg[5] = 0; // ISHARP LBA PWL for Seg 5. BASE value in U0.6 format switch (adp_sharpness.sharpness) { case SHARPNESS_LOW: dscl_prog_data->isharp_delta = spl_get_filter_isharp_1D_lut_0p5x(); break; case SHARPNESS_MID: dscl_prog_data->isharp_delta = spl_get_filter_isharp_1D_lut_1p0x(); break; case SHARPNESS_HIGH: dscl_prog_data->isharp_delta = spl_get_filter_isharp_1D_lut_2p0x(); break; default: BREAK_TO_DEBUGGER(); } // Program the nldelta soft clip values if (lls_pref == LLS_PREF_YES) { dscl_prog_data->isharp_nldelta_sclip.enable_p = 0; /* ISHARP_NLDELTA_SCLIP_EN_P */ dscl_prog_data->isharp_nldelta_sclip.pivot_p = 0; /* ISHARP_NLDELTA_SCLIP_PIVOT_P */ dscl_prog_data->isharp_nldelta_sclip.slope_p = 0; /* ISHARP_NLDELTA_SCLIP_SLOPE_P */ dscl_prog_data->isharp_nldelta_sclip.enable_n = 1; /* ISHARP_NLDELTA_SCLIP_EN_N */ dscl_prog_data->isharp_nldelta_sclip.pivot_n = 71; /* ISHARP_NLDELTA_SCLIP_PIVOT_N */ dscl_prog_data->isharp_nldelta_sclip.slope_n = 16; /* ISHARP_NLDELTA_SCLIP_SLOPE_N */ } else { dscl_prog_data->isharp_nldelta_sclip.enable_p = 1; /* ISHARP_NLDELTA_SCLIP_EN_P */ dscl_prog_data->isharp_nldelta_sclip.pivot_p = 70; /* ISHARP_NLDELTA_SCLIP_PIVOT_P */ dscl_prog_data->isharp_nldelta_sclip.slope_p = 24; /* ISHARP_NLDELTA_SCLIP_SLOPE_P */ dscl_prog_data->isharp_nldelta_sclip.enable_n = 1; /* ISHARP_NLDELTA_SCLIP_EN_N */ dscl_prog_data->isharp_nldelta_sclip.pivot_n = 70; /* ISHARP_NLDELTA_SCLIP_PIVOT_N */ dscl_prog_data->isharp_nldelta_sclip.slope_n = 24; /* ISHARP_NLDELTA_SCLIP_SLOPE_N */ } // Set the values as per lookup table spl_set_blur_scale_data(dscl_prog_data, data); } static bool spl_get_isharp_en(struct adaptive_sharpness adp_sharpness, int vscale_ratio, int hscale_ratio, struct spl_taps taps, enum spl_pixel_format format) { bool enable_isharp = false; if (adp_sharpness.enable == false) return enable_isharp; // Return if adaptive sharpness is disabled // Is downscaling ? if (vscale_ratio > 1 || hscale_ratio > 1) { // END - No iSHARP support for downscaling return enable_isharp; } // Scaling is up to 1:1 (no scaling) or upscaling /* Only apply sharpness to NV12 and not P010 */ if (format != SPL_PIXEL_FORMAT_420BPP8) return enable_isharp; // LB support horizontal taps 4,6 or vertical taps 3, 4, 6 if (taps.h_taps == 4 || taps.h_taps == 6 || taps.v_taps == 3 || taps.v_taps == 4 || taps.v_taps == 6) { // END - iSHARP supported enable_isharp = true; } return enable_isharp; } static bool spl_choose_lls_policy(enum spl_pixel_format format, enum spl_transfer_func_type tf_type, enum spl_transfer_func_predefined tf_predefined_type, enum linear_light_scaling *lls_pref) { if (spl_is_yuv420(format)) { *lls_pref = LLS_PREF_NO; if ((tf_type == SPL_TF_TYPE_PREDEFINED) || (tf_type == SPL_TF_TYPE_DISTRIBUTED_POINTS)) return true; } else { /* RGB or YUV444 */ if (tf_type == SPL_TF_TYPE_PREDEFINED) { if ((tf_predefined_type == SPL_TRANSFER_FUNCTION_HLG) || (tf_predefined_type == SPL_TRANSFER_FUNCTION_HLG12)) *lls_pref = LLS_PREF_NO; else *lls_pref = LLS_PREF_YES; return true; } else if (tf_type == SPL_TF_TYPE_BYPASS) { *lls_pref = LLS_PREF_YES; return true; } } *lls_pref = LLS_PREF_NO; return false; } /* Calculate scaler parameters */ bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out) { bool res = false; bool enable_easf_v = false; bool enable_easf_h = false; bool lls_enable_easf = true; const struct spl_scaler_data *data = &spl_out->scl_data; // All SPL calls /* recout calculation */ /* depends on h_active */ spl_calculate_recout(spl_in, spl_out); /* depends on pixel format */ spl_calculate_scaling_ratios(spl_in, spl_out); /* depends on scaling ratios and recout, does not calculate offset yet */ spl_calculate_viewport_size(spl_in, spl_out); res = spl_get_optimal_number_of_taps( spl_in->basic_out.max_downscale_src_width, spl_in, spl_out, &spl_in->scaling_quality); /* * Depends on recout, scaling ratios, h_active and taps * May need to re-check lb size after this in some obscure scenario */ if (res) spl_calculate_inits_and_viewports(spl_in, spl_out); // Handle 3d recout spl_handle_3d_recout(spl_in, &spl_out->scl_data.recout); // Clamp spl_clamp_viewport(&spl_out->scl_data.viewport); if (!res) return res; /* * If lls_pref is LLS_PREF_DONT_CARE, then use pixel format and transfer * function to determine whether to use LINEAR or NONLINEAR scaling */ if (spl_in->lls_pref == LLS_PREF_DONT_CARE) lls_enable_easf = spl_choose_lls_policy(spl_in->basic_in.format, spl_in->basic_in.tf_type, spl_in->basic_in.tf_predefined_type, &spl_in->lls_pref); // Save all calculated parameters in dscl_prog_data structure to program hw registers spl_set_dscl_prog_data(spl_in, spl_out); int vratio = dc_fixpt_ceil(spl_out->scl_data.ratios.vert); int hratio = dc_fixpt_ceil(spl_out->scl_data.ratios.horz); if (!lls_enable_easf || spl_in->disable_easf) { enable_easf_v = false; enable_easf_h = false; } else { /* Enable EASF on vertical? */ enable_easf_v = enable_easf(vratio, spl_out->scl_data.taps.v_taps, spl_in->lls_pref, spl_in->prefer_easf); /* Enable EASF on horizontal? */ enable_easf_h = enable_easf(hratio, spl_out->scl_data.taps.h_taps, spl_in->lls_pref, spl_in->prefer_easf); } // Set EASF spl_set_easf_data(spl_out->dscl_prog_data, enable_easf_v, enable_easf_h, spl_in->lls_pref, spl_in->basic_in.format); // Set iSHARP bool enable_isharp = spl_get_isharp_en(spl_in->adaptive_sharpness, vratio, hratio, spl_out->scl_data.taps, spl_in->basic_in.format); spl_set_isharp_data(spl_out->dscl_prog_data, spl_in->adaptive_sharpness, enable_isharp, spl_in->lls_pref, spl_in->basic_in.format, data); return res; }
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