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drm/vkms: Add support for RGB565 formats

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The format RGB565 was already supported. Add the support for:
- BGR565

Reviewed-by: Maíra Canal <mcanal@igalia.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Link: https://lore.kernel.org/r/20250703-b4-new-color-formats-v7-4-15fd8fd2e15c@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
This commit is contained in:
Louis Chauvet
2025-07-03 09:57:00 +02:00
parent bac5c590d4
commit 39d80cee42
2 changed files with 14 additions and 0 deletions
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13
drivers/gpu/drm/vkms/vkms_formats.c
View File

@@ -259,6 +259,16 @@ static struct pixel_argb_u16 argb_u16_from_grayu16(u16 gray)
return argb_u16_from_u16161616(0xFFFF, gray, gray, gray);
}
static struct pixel_argb_u16 argb_u16_from_BGR565(const __le16 *pixel)
{
struct pixel_argb_u16 out_pixel;
out_pixel = argb_u16_from_RGB565(pixel);
swap(out_pixel.r, out_pixel.b);
return out_pixel;
}
VISIBLE_IF_KUNIT struct pixel_argb_u16 argb_u16_from_yuv888(u8 y, u8 channel_1, u8 channel_2,
const struct conversion_matrix *matrix)
{
@@ -451,6 +461,7 @@ READ_LINE_le16161616(XRGB16161616_read_line, px, cpu_to_le16(0xFFFF), px[2], px[
READ_LINE_le16161616(XBGR16161616_read_line, px, cpu_to_le16(0xFFFF), px[0], px[1], px[2])
READ_LINE(RGB565_read_line, px, __le16, argb_u16_from_RGB565, px)
READ_LINE(BGR565_read_line, px, __le16, argb_u16_from_BGR565, px)
READ_LINE(R8_read_line, px, u8, argb_u16_from_gray8, *px)
@@ -675,6 +686,8 @@ pixel_read_line_t get_pixel_read_line_function(u32 format)
return &XBGR16161616_read_line;
case DRM_FORMAT_RGB565:
return &RGB565_read_line;
case DRM_FORMAT_BGR565:
return &BGR565_read_line;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV24:

1
drivers/gpu/drm/vkms/vkms_plane.c
View File

@@ -24,6 +24,7 @@ static const u32 vkms_formats[] = {
DRM_FORMAT_ARGB16161616,
DRM_FORMAT_ABGR16161616,
DRM_FORMAT_RGB565,
DRM_FORMAT_BGR565,
DRM_FORMAT_NV12,
DRM_FORMAT_NV16,
DRM_FORMAT_NV24,