From: Louis Chauvet Date: Thu, 3 Jul 2025 07:57:00 +0000 (+0200) Subject: drm/vkms: Add support for RGB565 formats X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=39d80cee4207d937daf58179ae3c572bcf541f8a;p=users%2Fhch%2Fmisc.git drm/vkms: Add support for RGB565 formats The format RGB565 was already supported. Add the support for: - BGR565 Reviewed-by: Maíra Canal Acked-by: Daniel Stone Link: https://lore.kernel.org/r/20250703-b4-new-color-formats-v7-4-15fd8fd2e15c@bootlin.com Signed-off-by: Louis Chauvet --- diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c index c37d1aae6eac..544bb6795805 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -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: diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index d4c51b4486f7..6e7597ab935d 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -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,