mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 06:59:28 +07:00
96227287fd
0 means 1 as the default, but it's mighty confusing if the block size
for the first plane is spelled out explicitly, but not for the 2nd
plane.
No cc: stable because this is just confusion, but 0 functional issue.
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Fixes: 7ba0fee247 ("drm/fourcc: Add AFBC yuv fourccs for Mali")
Cc: Brian Starkey <brian.starkey@arm.com>
Cc: Ayan Kumar Halder <ayan.halder@arm.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191126091414.226070-2-daniel.vetter@ffwll.ch
396 lines
19 KiB
C
396 lines
19 KiB
C
/*
|
|
* Copyright (c) 2016 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
*
|
|
* DRM core format related functions
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that copyright
|
|
* notice and this permission notice appear in supporting documentation, and
|
|
* that the name of the copyright holders not be used in advertising or
|
|
* publicity pertaining to distribution of the software without specific,
|
|
* written prior permission. The copyright holders make no representations
|
|
* about the suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
* OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <linux/bug.h>
|
|
#include <linux/ctype.h>
|
|
#include <linux/export.h>
|
|
#include <linux/kernel.h>
|
|
|
|
#include <drm/drm_device.h>
|
|
#include <drm/drm_fourcc.h>
|
|
|
|
static char printable_char(int c)
|
|
{
|
|
return isascii(c) && isprint(c) ? c : '?';
|
|
}
|
|
|
|
/**
|
|
* drm_mode_legacy_fb_format - compute drm fourcc code from legacy description
|
|
* @bpp: bits per pixels
|
|
* @depth: bit depth per pixel
|
|
*
|
|
* Computes a drm fourcc pixel format code for the given @bpp/@depth values.
|
|
* Useful in fbdev emulation code, since that deals in those values.
|
|
*/
|
|
uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
|
|
{
|
|
uint32_t fmt = DRM_FORMAT_INVALID;
|
|
|
|
switch (bpp) {
|
|
case 8:
|
|
if (depth == 8)
|
|
fmt = DRM_FORMAT_C8;
|
|
break;
|
|
|
|
case 16:
|
|
switch (depth) {
|
|
case 15:
|
|
fmt = DRM_FORMAT_XRGB1555;
|
|
break;
|
|
case 16:
|
|
fmt = DRM_FORMAT_RGB565;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 24:
|
|
if (depth == 24)
|
|
fmt = DRM_FORMAT_RGB888;
|
|
break;
|
|
|
|
case 32:
|
|
switch (depth) {
|
|
case 24:
|
|
fmt = DRM_FORMAT_XRGB8888;
|
|
break;
|
|
case 30:
|
|
fmt = DRM_FORMAT_XRGB2101010;
|
|
break;
|
|
case 32:
|
|
fmt = DRM_FORMAT_ARGB8888;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return fmt;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_legacy_fb_format);
|
|
|
|
/**
|
|
* drm_driver_legacy_fb_format - compute drm fourcc code from legacy description
|
|
* @dev: DRM device
|
|
* @bpp: bits per pixels
|
|
* @depth: bit depth per pixel
|
|
*
|
|
* Computes a drm fourcc pixel format code for the given @bpp/@depth values.
|
|
* Unlike drm_mode_legacy_fb_format() this looks at the drivers mode_config,
|
|
* and depending on the &drm_mode_config.quirk_addfb_prefer_host_byte_order flag
|
|
* it returns little endian byte order or host byte order framebuffer formats.
|
|
*/
|
|
uint32_t drm_driver_legacy_fb_format(struct drm_device *dev,
|
|
uint32_t bpp, uint32_t depth)
|
|
{
|
|
uint32_t fmt = drm_mode_legacy_fb_format(bpp, depth);
|
|
|
|
if (dev->mode_config.quirk_addfb_prefer_host_byte_order) {
|
|
if (fmt == DRM_FORMAT_XRGB8888)
|
|
fmt = DRM_FORMAT_HOST_XRGB8888;
|
|
if (fmt == DRM_FORMAT_ARGB8888)
|
|
fmt = DRM_FORMAT_HOST_ARGB8888;
|
|
if (fmt == DRM_FORMAT_RGB565)
|
|
fmt = DRM_FORMAT_HOST_RGB565;
|
|
if (fmt == DRM_FORMAT_XRGB1555)
|
|
fmt = DRM_FORMAT_HOST_XRGB1555;
|
|
}
|
|
|
|
if (dev->mode_config.quirk_addfb_prefer_xbgr_30bpp &&
|
|
fmt == DRM_FORMAT_XRGB2101010)
|
|
fmt = DRM_FORMAT_XBGR2101010;
|
|
|
|
return fmt;
|
|
}
|
|
EXPORT_SYMBOL(drm_driver_legacy_fb_format);
|
|
|
|
/**
|
|
* drm_get_format_name - fill a string with a drm fourcc format's name
|
|
* @format: format to compute name of
|
|
* @buf: caller-supplied buffer
|
|
*/
|
|
const char *drm_get_format_name(uint32_t format, struct drm_format_name_buf *buf)
|
|
{
|
|
snprintf(buf->str, sizeof(buf->str),
|
|
"%c%c%c%c %s-endian (0x%08x)",
|
|
printable_char(format & 0xff),
|
|
printable_char((format >> 8) & 0xff),
|
|
printable_char((format >> 16) & 0xff),
|
|
printable_char((format >> 24) & 0x7f),
|
|
format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little",
|
|
format);
|
|
|
|
return buf->str;
|
|
}
|
|
EXPORT_SYMBOL(drm_get_format_name);
|
|
|
|
/*
|
|
* Internal function to query information for a given format. See
|
|
* drm_format_info() for the public API.
|
|
*/
|
|
const struct drm_format_info *__drm_format_info(u32 format)
|
|
{
|
|
static const struct drm_format_info formats[] = {
|
|
{ .format = DRM_FORMAT_C8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_RGB332, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_BGR233, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_XRGB4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_XBGR4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_RGBX4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_BGRX4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_ARGB4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_ABGR4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_RGBA4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_BGRA4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_XRGB1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_XBGR1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_RGBX5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_BGRX5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_ARGB1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_ABGR1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_RGBA5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_BGRA5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_BGR565, .depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_RGB888, .depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_BGR888, .depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_RGBX8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_BGRX8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_RGB565_A8, .depth = 24, .num_planes = 2, .cpp = { 2, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_BGR565_A8, .depth = 24, .num_planes = 2, .cpp = { 2, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_RGBX1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_BGRX1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_RGBA1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_BGRA1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_RGBA8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_XRGB16161616F, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_XBGR16161616F, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
|
|
{ .format = DRM_FORMAT_ARGB16161616F, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_ABGR16161616F, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_RGB888_A8, .depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_BGR888_A8, .depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_XRGB8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_XBGR8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_RGBX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_BGRX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
|
|
{ .format = DRM_FORMAT_YUV410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YVU410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YUV411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YVU411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YUV420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YVU420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YUV422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YVU422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YUV444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YVU444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_NV12, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_NV21, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_NV16, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_NV61, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_NV24, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_NV42, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YUYV, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_YVYU, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_XYUV8888, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_VUY888, .depth = 0, .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y210, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y212, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y216, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y410, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y412, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y416, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_XVYU2101010, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_XVYU12_16161616, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_XVYU16161616, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y0L0, .depth = 0, .num_planes = 1,
|
|
.char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 },
|
|
.hsub = 2, .vsub = 2, .has_alpha = true, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_X0L0, .depth = 0, .num_planes = 1,
|
|
.char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 },
|
|
.hsub = 2, .vsub = 2, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_Y0L2, .depth = 0, .num_planes = 1,
|
|
.char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 },
|
|
.hsub = 2, .vsub = 2, .has_alpha = true, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_X0L2, .depth = 0, .num_planes = 1,
|
|
.char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 },
|
|
.hsub = 2, .vsub = 2, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_P010, .depth = 0, .num_planes = 2,
|
|
.char_per_block = { 2, 4, 0 }, .block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 },
|
|
.hsub = 2, .vsub = 2, .is_yuv = true},
|
|
{ .format = DRM_FORMAT_P012, .depth = 0, .num_planes = 2,
|
|
.char_per_block = { 2, 4, 0 }, .block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 },
|
|
.hsub = 2, .vsub = 2, .is_yuv = true},
|
|
{ .format = DRM_FORMAT_P016, .depth = 0, .num_planes = 2,
|
|
.char_per_block = { 2, 4, 0 }, .block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 },
|
|
.hsub = 2, .vsub = 2, .is_yuv = true},
|
|
{ .format = DRM_FORMAT_P210, .depth = 0,
|
|
.num_planes = 2, .char_per_block = { 2, 4, 0 },
|
|
.block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 }, .hsub = 2,
|
|
.vsub = 1, .is_yuv = true },
|
|
{ .format = DRM_FORMAT_VUY101010, .depth = 0,
|
|
.num_planes = 1, .cpp = { 0, 0, 0 }, .hsub = 1, .vsub = 1,
|
|
.is_yuv = true },
|
|
{ .format = DRM_FORMAT_YUV420_8BIT, .depth = 0,
|
|
.num_planes = 1, .cpp = { 0, 0, 0 }, .hsub = 2, .vsub = 2,
|
|
.is_yuv = true },
|
|
{ .format = DRM_FORMAT_YUV420_10BIT, .depth = 0,
|
|
.num_planes = 1, .cpp = { 0, 0, 0 }, .hsub = 2, .vsub = 2,
|
|
.is_yuv = true },
|
|
};
|
|
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(formats); ++i) {
|
|
if (formats[i].format == format)
|
|
return &formats[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* drm_format_info - query information for a given format
|
|
* @format: pixel format (DRM_FORMAT_*)
|
|
*
|
|
* The caller should only pass a supported pixel format to this function.
|
|
* Unsupported pixel formats will generate a warning in the kernel log.
|
|
*
|
|
* Returns:
|
|
* The instance of struct drm_format_info that describes the pixel format, or
|
|
* NULL if the format is unsupported.
|
|
*/
|
|
const struct drm_format_info *drm_format_info(u32 format)
|
|
{
|
|
const struct drm_format_info *info;
|
|
|
|
info = __drm_format_info(format);
|
|
WARN_ON(!info);
|
|
return info;
|
|
}
|
|
EXPORT_SYMBOL(drm_format_info);
|
|
|
|
/**
|
|
* drm_get_format_info - query information for a given framebuffer configuration
|
|
* @dev: DRM device
|
|
* @mode_cmd: metadata from the userspace fb creation request
|
|
*
|
|
* Returns:
|
|
* The instance of struct drm_format_info that describes the pixel format, or
|
|
* NULL if the format is unsupported.
|
|
*/
|
|
const struct drm_format_info *
|
|
drm_get_format_info(struct drm_device *dev,
|
|
const struct drm_mode_fb_cmd2 *mode_cmd)
|
|
{
|
|
const struct drm_format_info *info = NULL;
|
|
|
|
if (dev->mode_config.funcs->get_format_info)
|
|
info = dev->mode_config.funcs->get_format_info(mode_cmd);
|
|
|
|
if (!info)
|
|
info = drm_format_info(mode_cmd->pixel_format);
|
|
|
|
return info;
|
|
}
|
|
EXPORT_SYMBOL(drm_get_format_info);
|
|
|
|
/**
|
|
* drm_format_info_block_width - width in pixels of block.
|
|
* @info: pixel format info
|
|
* @plane: plane index
|
|
*
|
|
* Returns:
|
|
* The width in pixels of a block, depending on the plane index.
|
|
*/
|
|
unsigned int drm_format_info_block_width(const struct drm_format_info *info,
|
|
int plane)
|
|
{
|
|
if (!info || plane < 0 || plane >= info->num_planes)
|
|
return 0;
|
|
|
|
if (!info->block_w[plane])
|
|
return 1;
|
|
return info->block_w[plane];
|
|
}
|
|
EXPORT_SYMBOL(drm_format_info_block_width);
|
|
|
|
/**
|
|
* drm_format_info_block_height - height in pixels of a block
|
|
* @info: pixel format info
|
|
* @plane: plane index
|
|
*
|
|
* Returns:
|
|
* The height in pixels of a block, depending on the plane index.
|
|
*/
|
|
unsigned int drm_format_info_block_height(const struct drm_format_info *info,
|
|
int plane)
|
|
{
|
|
if (!info || plane < 0 || plane >= info->num_planes)
|
|
return 0;
|
|
|
|
if (!info->block_h[plane])
|
|
return 1;
|
|
return info->block_h[plane];
|
|
}
|
|
EXPORT_SYMBOL(drm_format_info_block_height);
|
|
|
|
/**
|
|
* drm_format_info_min_pitch - computes the minimum required pitch in bytes
|
|
* @info: pixel format info
|
|
* @plane: plane index
|
|
* @buffer_width: buffer width in pixels
|
|
*
|
|
* Returns:
|
|
* The minimum required pitch in bytes for a buffer by taking into consideration
|
|
* the pixel format information and the buffer width.
|
|
*/
|
|
uint64_t drm_format_info_min_pitch(const struct drm_format_info *info,
|
|
int plane, unsigned int buffer_width)
|
|
{
|
|
if (!info || plane < 0 || plane >= info->num_planes)
|
|
return 0;
|
|
|
|
return DIV_ROUND_UP_ULL((u64)buffer_width * info->char_per_block[plane],
|
|
drm_format_info_block_width(info, plane) *
|
|
drm_format_info_block_height(info, plane));
|
|
}
|
|
EXPORT_SYMBOL(drm_format_info_min_pitch);
|