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