469 lines
13 KiB
C
469 lines
13 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*/
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#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
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#include <uapi/drm/drm_fourcc.h>
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#include <drm/drm_framebuffer.h>
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#include "msm_media_info.h"
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#include "dpu_kms.h"
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#include "dpu_formats.h"
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#define DPU_UBWC_PLANE_SIZE_ALIGNMENT 4096
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#define DPU_MAX_IMG_WIDTH 0x3FFF
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#define DPU_MAX_IMG_HEIGHT 0x3FFF
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/*
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* struct dpu_media_color_map - maps drm format to media format
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* @format: DRM base pixel format
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* @color: Media API color related to DRM format
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*/
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struct dpu_media_color_map {
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uint32_t format;
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uint32_t color;
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};
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/* _dpu_get_v_h_subsample_rate - Get subsample rates for all formats we support
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* Note: Not using the drm_format_*_subsampling since we have formats
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*/
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static void _dpu_get_v_h_subsample_rate(
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enum mdp_chroma_samp_type chroma_sample,
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uint32_t *v_sample,
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uint32_t *h_sample)
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{
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if (!v_sample || !h_sample)
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return;
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switch (chroma_sample) {
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case CHROMA_H2V1:
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*v_sample = 1;
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*h_sample = 2;
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break;
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case CHROMA_H1V2:
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*v_sample = 2;
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*h_sample = 1;
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break;
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case CHROMA_420:
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*v_sample = 2;
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*h_sample = 2;
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break;
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default:
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*v_sample = 1;
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*h_sample = 1;
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break;
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}
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}
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static int _dpu_format_get_media_color_ubwc(const struct msm_format *fmt)
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{
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static const struct dpu_media_color_map dpu_media_ubwc_map[] = {
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{DRM_FORMAT_ABGR8888, COLOR_FMT_RGBA8888_UBWC},
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{DRM_FORMAT_ARGB8888, COLOR_FMT_RGBA8888_UBWC},
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{DRM_FORMAT_XBGR8888, COLOR_FMT_RGBA8888_UBWC},
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{DRM_FORMAT_XRGB8888, COLOR_FMT_RGBA8888_UBWC},
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{DRM_FORMAT_ABGR2101010, COLOR_FMT_RGBA1010102_UBWC},
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{DRM_FORMAT_ARGB2101010, COLOR_FMT_RGBA1010102_UBWC},
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{DRM_FORMAT_XRGB2101010, COLOR_FMT_RGBA1010102_UBWC},
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{DRM_FORMAT_XBGR2101010, COLOR_FMT_RGBA1010102_UBWC},
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{DRM_FORMAT_BGR565, COLOR_FMT_RGB565_UBWC},
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};
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int color_fmt = -1;
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int i;
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if (fmt->pixel_format == DRM_FORMAT_NV12 ||
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fmt->pixel_format == DRM_FORMAT_P010) {
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if (MSM_FORMAT_IS_DX(fmt)) {
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if (fmt->flags & MSM_FORMAT_FLAG_UNPACK_TIGHT)
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color_fmt = COLOR_FMT_NV12_BPP10_UBWC;
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else
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color_fmt = COLOR_FMT_P010_UBWC;
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} else
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color_fmt = COLOR_FMT_NV12_UBWC;
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return color_fmt;
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}
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for (i = 0; i < ARRAY_SIZE(dpu_media_ubwc_map); ++i)
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if (fmt->pixel_format == dpu_media_ubwc_map[i].format) {
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color_fmt = dpu_media_ubwc_map[i].color;
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break;
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}
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return color_fmt;
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}
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static int _dpu_format_get_plane_sizes_ubwc(
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const struct msm_format *fmt,
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const uint32_t width,
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const uint32_t height,
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struct dpu_hw_fmt_layout *layout)
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{
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int i;
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int color;
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bool meta = MSM_FORMAT_IS_UBWC(fmt);
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memset(layout, 0, sizeof(struct dpu_hw_fmt_layout));
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layout->format = fmt;
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layout->width = width;
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layout->height = height;
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layout->num_planes = fmt->num_planes;
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color = _dpu_format_get_media_color_ubwc(fmt);
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if (color < 0) {
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DRM_ERROR("UBWC format not supported for fmt: %p4cc\n",
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&fmt->pixel_format);
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return -EINVAL;
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}
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if (MSM_FORMAT_IS_YUV(layout->format)) {
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uint32_t y_sclines, uv_sclines;
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uint32_t y_meta_scanlines = 0;
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uint32_t uv_meta_scanlines = 0;
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layout->num_planes = 2;
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layout->plane_pitch[0] = VENUS_Y_STRIDE(color, width);
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y_sclines = VENUS_Y_SCANLINES(color, height);
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layout->plane_size[0] = MSM_MEDIA_ALIGN(layout->plane_pitch[0] *
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y_sclines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
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layout->plane_pitch[1] = VENUS_UV_STRIDE(color, width);
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uv_sclines = VENUS_UV_SCANLINES(color, height);
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layout->plane_size[1] = MSM_MEDIA_ALIGN(layout->plane_pitch[1] *
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uv_sclines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
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if (!meta)
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goto done;
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layout->num_planes += 2;
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layout->plane_pitch[2] = VENUS_Y_META_STRIDE(color, width);
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y_meta_scanlines = VENUS_Y_META_SCANLINES(color, height);
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layout->plane_size[2] = MSM_MEDIA_ALIGN(layout->plane_pitch[2] *
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y_meta_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
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layout->plane_pitch[3] = VENUS_UV_META_STRIDE(color, width);
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uv_meta_scanlines = VENUS_UV_META_SCANLINES(color, height);
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layout->plane_size[3] = MSM_MEDIA_ALIGN(layout->plane_pitch[3] *
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uv_meta_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
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} else {
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uint32_t rgb_scanlines, rgb_meta_scanlines;
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layout->num_planes = 1;
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layout->plane_pitch[0] = VENUS_RGB_STRIDE(color, width);
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rgb_scanlines = VENUS_RGB_SCANLINES(color, height);
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layout->plane_size[0] = MSM_MEDIA_ALIGN(layout->plane_pitch[0] *
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rgb_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
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if (!meta)
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goto done;
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layout->num_planes += 2;
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layout->plane_pitch[2] = VENUS_RGB_META_STRIDE(color, width);
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rgb_meta_scanlines = VENUS_RGB_META_SCANLINES(color, height);
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layout->plane_size[2] = MSM_MEDIA_ALIGN(layout->plane_pitch[2] *
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rgb_meta_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
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}
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done:
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for (i = 0; i < DPU_MAX_PLANES; i++)
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layout->total_size += layout->plane_size[i];
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return 0;
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}
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static int _dpu_format_get_plane_sizes_linear(
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const struct msm_format *fmt,
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const uint32_t width,
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const uint32_t height,
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struct dpu_hw_fmt_layout *layout,
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const uint32_t *pitches)
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{
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int i;
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memset(layout, 0, sizeof(struct dpu_hw_fmt_layout));
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layout->format = fmt;
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layout->width = width;
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layout->height = height;
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layout->num_planes = fmt->num_planes;
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/* Due to memset above, only need to set planes of interest */
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if (fmt->fetch_type == MDP_PLANE_INTERLEAVED) {
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layout->num_planes = 1;
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layout->plane_size[0] = width * height * layout->format->bpp;
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layout->plane_pitch[0] = width * layout->format->bpp;
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} else {
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uint32_t v_subsample, h_subsample;
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uint32_t chroma_samp;
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uint32_t bpp = 1;
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chroma_samp = fmt->chroma_sample;
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_dpu_get_v_h_subsample_rate(chroma_samp, &v_subsample,
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&h_subsample);
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if (width % h_subsample || height % v_subsample) {
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DRM_ERROR("mismatch in subsample vs dimensions\n");
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return -EINVAL;
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}
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if ((fmt->pixel_format == DRM_FORMAT_NV12) &&
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(MSM_FORMAT_IS_DX(fmt)))
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bpp = 2;
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layout->plane_pitch[0] = width * bpp;
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layout->plane_pitch[1] = layout->plane_pitch[0] / h_subsample;
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layout->plane_size[0] = layout->plane_pitch[0] * height;
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layout->plane_size[1] = layout->plane_pitch[1] *
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(height / v_subsample);
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if (fmt->fetch_type == MDP_PLANE_PSEUDO_PLANAR) {
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layout->num_planes = 2;
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layout->plane_size[1] *= 2;
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layout->plane_pitch[1] *= 2;
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} else {
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/* planar */
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layout->num_planes = 3;
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layout->plane_size[2] = layout->plane_size[1];
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layout->plane_pitch[2] = layout->plane_pitch[1];
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}
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}
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/*
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* linear format: allow user allocated pitches if they are greater than
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* the requirement.
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* ubwc format: pitch values are computed uniformly across
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* all the components based on ubwc specifications.
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*/
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for (i = 0; i < layout->num_planes && i < DPU_MAX_PLANES; ++i) {
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if (pitches && layout->plane_pitch[i] < pitches[i])
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layout->plane_pitch[i] = pitches[i];
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}
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for (i = 0; i < DPU_MAX_PLANES; i++)
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layout->total_size += layout->plane_size[i];
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return 0;
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}
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static int dpu_format_get_plane_sizes(
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const struct msm_format *fmt,
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const uint32_t w,
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const uint32_t h,
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struct dpu_hw_fmt_layout *layout,
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const uint32_t *pitches)
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{
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if (!layout || !fmt) {
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DRM_ERROR("invalid pointer\n");
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return -EINVAL;
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}
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if ((w > DPU_MAX_IMG_WIDTH) || (h > DPU_MAX_IMG_HEIGHT)) {
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DRM_ERROR("image dimensions outside max range\n");
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return -ERANGE;
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}
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if (MSM_FORMAT_IS_UBWC(fmt) || MSM_FORMAT_IS_TILE(fmt))
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return _dpu_format_get_plane_sizes_ubwc(fmt, w, h, layout);
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return _dpu_format_get_plane_sizes_linear(fmt, w, h, layout, pitches);
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}
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static int _dpu_format_populate_addrs_ubwc(
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struct msm_gem_address_space *aspace,
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struct drm_framebuffer *fb,
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struct dpu_hw_fmt_layout *layout)
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{
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uint32_t base_addr = 0;
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bool meta;
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if (!fb || !layout) {
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DRM_ERROR("invalid pointers\n");
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return -EINVAL;
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}
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if (aspace)
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base_addr = msm_framebuffer_iova(fb, aspace, 0);
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if (!base_addr) {
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DRM_ERROR("failed to retrieve base addr\n");
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return -EFAULT;
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}
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meta = MSM_FORMAT_IS_UBWC(layout->format);
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/* Per-format logic for verifying active planes */
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if (MSM_FORMAT_IS_YUV(layout->format)) {
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/************************************************/
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/* UBWC ** */
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/* buffer ** DPU PLANE */
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/* format ** */
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/************************************************/
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/* ------------------- ** -------------------- */
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/* | Y meta | ** | Y bitstream | */
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/* | data | ** | plane | */
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/* ------------------- ** -------------------- */
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/* | Y bitstream | ** | CbCr bitstream | */
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/* | data | ** | plane | */
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/* ------------------- ** -------------------- */
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/* | Cbcr metadata | ** | Y meta | */
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/* | data | ** | plane | */
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/* ------------------- ** -------------------- */
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/* | CbCr bitstream | ** | CbCr meta | */
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/* | data | ** | plane | */
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/* ------------------- ** -------------------- */
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/************************************************/
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/* configure Y bitstream plane */
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layout->plane_addr[0] = base_addr + layout->plane_size[2];
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/* configure CbCr bitstream plane */
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layout->plane_addr[1] = base_addr + layout->plane_size[0]
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+ layout->plane_size[2] + layout->plane_size[3];
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if (!meta)
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return 0;
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/* configure Y metadata plane */
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layout->plane_addr[2] = base_addr;
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/* configure CbCr metadata plane */
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layout->plane_addr[3] = base_addr + layout->plane_size[0]
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+ layout->plane_size[2];
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} else {
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/************************************************/
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/* UBWC ** */
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/* buffer ** DPU PLANE */
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/* format ** */
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/************************************************/
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/* ------------------- ** -------------------- */
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/* | RGB meta | ** | RGB bitstream | */
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/* | data | ** | plane | */
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/* ------------------- ** -------------------- */
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/* | RGB bitstream | ** | NONE | */
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/* | data | ** | | */
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/* ------------------- ** -------------------- */
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/* ** | RGB meta | */
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/* ** | plane | */
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/* ** -------------------- */
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/************************************************/
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layout->plane_addr[0] = base_addr + layout->plane_size[2];
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layout->plane_addr[1] = 0;
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if (!meta)
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return 0;
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layout->plane_addr[2] = base_addr;
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layout->plane_addr[3] = 0;
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}
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return 0;
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}
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static int _dpu_format_populate_addrs_linear(
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struct msm_gem_address_space *aspace,
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struct drm_framebuffer *fb,
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struct dpu_hw_fmt_layout *layout)
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{
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unsigned int i;
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/* Can now check the pitches given vs pitches expected */
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for (i = 0; i < layout->num_planes; ++i) {
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if (layout->plane_pitch[i] > fb->pitches[i]) {
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DRM_ERROR("plane %u expected pitch %u, fb %u\n",
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i, layout->plane_pitch[i], fb->pitches[i]);
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return -EINVAL;
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}
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}
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/* Populate addresses for simple formats here */
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for (i = 0; i < layout->num_planes; ++i) {
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if (aspace)
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layout->plane_addr[i] =
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msm_framebuffer_iova(fb, aspace, i);
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if (!layout->plane_addr[i]) {
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DRM_ERROR("failed to retrieve base addr\n");
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return -EFAULT;
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}
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}
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return 0;
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}
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int dpu_format_populate_layout(
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struct msm_gem_address_space *aspace,
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struct drm_framebuffer *fb,
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struct dpu_hw_fmt_layout *layout)
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{
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int ret;
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if (!fb || !layout) {
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DRM_ERROR("invalid arguments\n");
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return -EINVAL;
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}
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if ((fb->width > DPU_MAX_IMG_WIDTH) ||
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(fb->height > DPU_MAX_IMG_HEIGHT)) {
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DRM_ERROR("image dimensions outside max range\n");
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return -ERANGE;
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}
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layout->format = msm_framebuffer_format(fb);
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/* Populate the plane sizes etc via get_format */
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ret = dpu_format_get_plane_sizes(layout->format, fb->width, fb->height,
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layout, fb->pitches);
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if (ret)
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return ret;
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/* Populate the addresses given the fb */
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if (MSM_FORMAT_IS_UBWC(layout->format) ||
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MSM_FORMAT_IS_TILE(layout->format))
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ret = _dpu_format_populate_addrs_ubwc(aspace, fb, layout);
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else
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ret = _dpu_format_populate_addrs_linear(aspace, fb, layout);
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return ret;
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}
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int dpu_format_check_modified_format(
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const struct msm_kms *kms,
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const struct msm_format *fmt,
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const struct drm_mode_fb_cmd2 *cmd,
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struct drm_gem_object **bos)
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{
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const struct drm_format_info *info;
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struct dpu_hw_fmt_layout layout;
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uint32_t bos_total_size = 0;
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int ret, i;
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if (!fmt || !cmd || !bos) {
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DRM_ERROR("invalid arguments\n");
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return -EINVAL;
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}
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info = drm_format_info(fmt->pixel_format);
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if (!info)
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return -EINVAL;
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ret = dpu_format_get_plane_sizes(fmt, cmd->width, cmd->height,
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&layout, cmd->pitches);
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if (ret)
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return ret;
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for (i = 0; i < info->num_planes; i++) {
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if (!bos[i]) {
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DRM_ERROR("invalid handle for plane %d\n", i);
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return -EINVAL;
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}
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if ((i == 0) || (bos[i] != bos[0]))
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bos_total_size += bos[i]->size;
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}
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if (bos_total_size < layout.total_size) {
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DRM_ERROR("buffers total size too small %u expected %u\n",
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bos_total_size, layout.total_size);
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return -EINVAL;
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}
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return 0;
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}
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