* [PATCH v2] drm/vkms: Add YUV410, YUV411, YVU410, and YVU411 support
@ 2026-02-02 15:11 Renjun Wang
2026-02-06 13:53 ` Louis Chauvet
0 siblings, 1 reply; 2+ messages in thread
From: Renjun Wang @ 2026-02-02 15:11 UTC (permalink / raw)
To: louis.chauvet, hamohammed.sa, simona, melissa.srw,
maarten.lankhorst, mripard, tzimmermann, airlied, dri-devel
Cc: linux-kernel, Renjun Wang
Add support for the following planar YUV formats:
- DRM_FORMAT_YUV410
- DRM_FORMAT_YUV411
- DRM_FORMAT_YVU410
- DRM_FORMAT_YVU411
These formats are handled by the existing planar_yuv_read_line()
function, which correctly handles the subsampling defined in each
format's drm_format_info.
The YVU variants (YVU410, YVU411) are also added to
get_conversion_matrix_to_argb_u16() to ensure the U and V columns
are swapped correctly in the conversion matrix.
v2:
- update vkms_formats[] to add new formats.
Signed-off-by: Renjun Wang <renjunw0@foxmail.com>
---
drivers/gpu/drm/vkms/vkms_formats.c | 6 ++++++
drivers/gpu/drm/vkms/vkms_plane.c | 4 ++++
2 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
index dfb8e13cba87..5ef5d49a44ef 100644
--- a/drivers/gpu/drm/vkms/vkms_formats.c
+++ b/drivers/gpu/drm/vkms/vkms_formats.c
@@ -730,9 +730,13 @@ pixel_read_line_t get_pixel_read_line_function(u32 format)
case DRM_FORMAT_P012:
case DRM_FORMAT_P016:
return &YUV161616_semiplanar_read_line;
+ case DRM_FORMAT_YUV410:
+ case DRM_FORMAT_YUV411:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YUV444:
+ case DRM_FORMAT_YVU410:
+ case DRM_FORMAT_YVU411:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YVU444:
@@ -921,6 +925,8 @@ void get_conversion_matrix_to_argb_u16(u32 format,
memcpy(matrix, matrix_to_copy, sizeof(*matrix_to_copy));
switch (format) {
+ case DRM_FORMAT_YVU410:
+ case DRM_FORMAT_YVU411:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YVU444:
diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
index 19fe6acad306..44773a82fbfd 100644
--- a/drivers/gpu/drm/vkms/vkms_plane.c
+++ b/drivers/gpu/drm/vkms/vkms_plane.c
@@ -35,9 +35,13 @@ static const u32 vkms_formats[] = {
DRM_FORMAT_NV21,
DRM_FORMAT_NV61,
DRM_FORMAT_NV42,
+ DRM_FORMAT_YUV410,
+ DRM_FORMAT_YUV411,
DRM_FORMAT_YUV420,
DRM_FORMAT_YUV422,
DRM_FORMAT_YUV444,
+ DRM_FORMAT_YVU410,
+ DRM_FORMAT_YVU411,
DRM_FORMAT_YVU420,
DRM_FORMAT_YVU422,
DRM_FORMAT_YVU444,
--
2.47.3
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v2] drm/vkms: Add YUV410, YUV411, YVU410, and YVU411 support
2026-02-02 15:11 [PATCH v2] drm/vkms: Add YUV410, YUV411, YVU410, and YVU411 support Renjun Wang
@ 2026-02-06 13:53 ` Louis Chauvet
0 siblings, 0 replies; 2+ messages in thread
From: Louis Chauvet @ 2026-02-06 13:53 UTC (permalink / raw)
To: Renjun Wang, hamohammed.sa, simona, melissa.srw,
maarten.lankhorst, mripard, tzimmermann, airlied, dri-devel
Cc: linux-kernel
On 2/2/26 16:11, Renjun Wang wrote:
> Add support for the following planar YUV formats:
> - DRM_FORMAT_YUV410
> - DRM_FORMAT_YUV411
> - DRM_FORMAT_YVU410
> - DRM_FORMAT_YVU411
>
> These formats are handled by the existing planar_yuv_read_line()
> function, which correctly handles the subsampling defined in each
> format's drm_format_info.
>
> The YVU variants (YVU410, YVU411) are also added to
> get_conversion_matrix_to_argb_u16() to ensure the U and V columns
> are swapped correctly in the conversion matrix.
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
> v2:
> - update vkms_formats[] to add new formats.
>
> Signed-off-by: Renjun Wang <renjunw0@foxmail.com>
> ---
> drivers/gpu/drm/vkms/vkms_formats.c | 6 ++++++
> drivers/gpu/drm/vkms/vkms_plane.c | 4 ++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
> index dfb8e13cba87..5ef5d49a44ef 100644
> --- a/drivers/gpu/drm/vkms/vkms_formats.c
> +++ b/drivers/gpu/drm/vkms/vkms_formats.c
> @@ -730,9 +730,13 @@ pixel_read_line_t get_pixel_read_line_function(u32 format)
> case DRM_FORMAT_P012:
> case DRM_FORMAT_P016:
> return &YUV161616_semiplanar_read_line;
> + case DRM_FORMAT_YUV410:
> + case DRM_FORMAT_YUV411:
> case DRM_FORMAT_YUV420:
> case DRM_FORMAT_YUV422:
> case DRM_FORMAT_YUV444:
> + case DRM_FORMAT_YVU410:
> + case DRM_FORMAT_YVU411:
> case DRM_FORMAT_YVU420:
> case DRM_FORMAT_YVU422:
> case DRM_FORMAT_YVU444:
> @@ -921,6 +925,8 @@ void get_conversion_matrix_to_argb_u16(u32 format,
> memcpy(matrix, matrix_to_copy, sizeof(*matrix_to_copy));
>
> switch (format) {
> + case DRM_FORMAT_YVU410:
> + case DRM_FORMAT_YVU411:
> case DRM_FORMAT_YVU420:
> case DRM_FORMAT_YVU422:
> case DRM_FORMAT_YVU444:
> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
> index 19fe6acad306..44773a82fbfd 100644
> --- a/drivers/gpu/drm/vkms/vkms_plane.c
> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
> @@ -35,9 +35,13 @@ static const u32 vkms_formats[] = {
> DRM_FORMAT_NV21,
> DRM_FORMAT_NV61,
> DRM_FORMAT_NV42,
> + DRM_FORMAT_YUV410,
> + DRM_FORMAT_YUV411,
> DRM_FORMAT_YUV420,
> DRM_FORMAT_YUV422,
> DRM_FORMAT_YUV444,
> + DRM_FORMAT_YVU410,
> + DRM_FORMAT_YVU411,
> DRM_FORMAT_YVU420,
> DRM_FORMAT_YVU422,
> DRM_FORMAT_YVU444,
^ permalink raw reply [flat|nested] 2+ messages in thread
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