Thanks to the WRITE_LINE macro, adding the format XRGB210101010 is trivial.
Signed-off-by: Louis Chauvet <[email protected]> --- drivers/gpu/drm/vkms/vkms_formats.c | 12 ++++++++++++ drivers/gpu/drm/vkms/vkms_writeback.c | 3 ++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c index a25cdf656d8a..65fdd3999441 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -654,6 +654,14 @@ static void argb_u16_to_RGB565(u8 *out_pixel, const struct pixel_argb_u16 *in_pi *pixel = cpu_to_le16(r << 11 | g << 5 | b); } +static void argb_u16_to_XRGB2101010(u8 *out_pixel, const struct pixel_argb_u16 *in_pixel) +{ + out_pixel[0] = (u8)(in_pixel->b & 0xFF); + out_pixel[1] = (u8)((in_pixel->b >> 8) & 0x03) | (u8)((in_pixel->g << 2) & 0xFC); + out_pixel[2] = (u8)((in_pixel->g >> 6) & 0x0F) | (u8)((in_pixel->r << 4) & 0xF0); + out_pixel[3] = (u8)((in_pixel->r >> 4) & 0x3F); +} + /** * WRITE_LINE() - Generic generator for write_line functions * @@ -700,6 +708,8 @@ WRITE_LINE(XRGB16161616_write_line, argb_u16_to_XRGB16161616) WRITE_LINE(RGB565_write_line, argb_u16_to_RGB565) +WRITE_LINE(XRGB2101010_write_line, argb_u16_to_XRGB2101010) + /** * get_pixel_read_function() - Retrieve the correct read_line function for a specific * format. The returned pointer is NULL for unsupported pixel formats. The caller must ensure that @@ -977,6 +987,8 @@ pixel_write_line_t get_pixel_write_line_function(u32 format) return &XRGB16161616_write_line; case DRM_FORMAT_RGB565: return &RGB565_write_line; + case DRM_FORMAT_XRGB2101010: + return &XRGB2101010_write_line; default: /* * This is a bug in vkms_writeback_atomic_check. All the supported diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c index f6ed3aa69af8..7e0302c0830c 100644 --- a/drivers/gpu/drm/vkms/vkms_writeback.c +++ b/drivers/gpu/drm/vkms/vkms_writeback.c @@ -19,7 +19,8 @@ static const u32 vkms_wb_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_XRGB16161616, DRM_FORMAT_ARGB16161616, - DRM_FORMAT_RGB565 + DRM_FORMAT_RGB565, + DRM_FORMAT_XRGB2101010, }; static const struct drm_connector_funcs vkms_wb_connector_funcs = { -- 2.44.2
