Unverified Commit 39d80cee authored by Louis Chauvet's avatar Louis Chauvet
Browse files

drm/vkms: Add support for RGB565 formats 



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

Reviewed-by: default avatarMaíra Canal <mcanal@igalia.com>
Acked-by: default avatarDaniel Stone <daniels@collabora.com>
Link: https://lore.kernel.org/r/20250703-b4-new-color-formats-v7-4-15fd8fd2e15c@bootlin.com


Signed-off-by: default avatarLouis Chauvet <louis.chauvet@bootlin.com>
parent bac5c590

drivers/gpu/drm/vkms/vkms_formats.c

+13 −0
Original line number Diff line number Diff line
@@ -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:

drivers/gpu/drm/vkms/vkms_plane.c

+1 −0
Original line number Diff line number Diff line
@@ -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,