[PATCH v5 8/9] drm: vkms: Adds XRGB_16161616 and ARGB_1616161616 formats
Pekka Paalanen
ppaalanen at gmail.com
Wed Apr 20 13:19:58 UTC 2022
On Mon, 4 Apr 2022 17:45:14 -0300
Igor Torrente <igormtorrente at gmail.com> wrote:
> This will be useful to write tests that depends on these formats.
>
> ARGB and XRGB follows the a similar implementation of the former formats.
> Just adjusting for 16 bits per channel.
>
> V3: Adapt the handlers to the new format introduced in patch 7 V3.
> V5: Minor improvements
> Added le16_to_cpu/cpu_to_le16 to the 16 bits color read/writes.
>
> Signed-off-by: Igor Torrente <igormtorrente at gmail.com>
> ---
> drivers/gpu/drm/vkms/vkms_formats.c | 77 +++++++++++++++++++++++++++
> drivers/gpu/drm/vkms/vkms_plane.c | 5 +-
> drivers/gpu/drm/vkms/vkms_writeback.c | 2 +
> 3 files changed, 83 insertions(+), 1 deletion(-)
Hi,
aside from the comments I already gave on the other patch adding the
*RGB8888 variants that apply here too, this looks good to me, with or
without those changes.
Reviewed-by: Pekka Paalanen <pekka.paalanen at collabora.com>
Thanks,
pq
>
> diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
> index 931a61405d6a..8d913fa7dbde 100644
> --- a/drivers/gpu/drm/vkms/vkms_formats.c
> +++ b/drivers/gpu/drm/vkms/vkms_formats.c
> @@ -78,6 +78,41 @@ static void XRGB8888_to_argb_u16(struct line_buffer *stage_buffer,
> }
> }
>
> +static void ARGB16161616_to_argb_u16(struct line_buffer *stage_buffer,
> + const struct vkms_frame_info *frame_info,
> + int y)
> +{
> + struct pixel_argb_u16 *out_pixels = stage_buffer->pixels;
> + u16 *src_pixels = get_packed_src_addr(frame_info, y);
> + int x, x_limit = min_t(size_t, drm_rect_width(&frame_info->dst),
> + stage_buffer->n_pixels);
> +
> + for (x = 0; x < x_limit; x++, src_pixels += 4) {
> + out_pixels[x].a = le16_to_cpu(src_pixels[3]);
> + out_pixels[x].r = le16_to_cpu(src_pixels[2]);
> + out_pixels[x].g = le16_to_cpu(src_pixels[1]);
> + out_pixels[x].b = le16_to_cpu(src_pixels[0]);
> + }
> +}
> +
> +static void XRGB16161616_to_argb_u16(struct line_buffer *stage_buffer,
> + const struct vkms_frame_info *frame_info,
> + int y)
> +{
> + struct pixel_argb_u16 *out_pixels = stage_buffer->pixels;
> + u16 *src_pixels = get_packed_src_addr(frame_info, y);
> + int x, x_limit = min_t(size_t, drm_rect_width(&frame_info->dst),
> + stage_buffer->n_pixels);
> +
> + for (x = 0; x < x_limit; x++, src_pixels += 4) {
> + out_pixels[x].a = (u16)0xffff;
> + out_pixels[x].r = le16_to_cpu(src_pixels[2]);
> + out_pixels[x].g = le16_to_cpu(src_pixels[1]);
> + out_pixels[x].b = le16_to_cpu(src_pixels[0]);
> + }
> +}
> +
> +
> /*
> * The following functions take an line of argb_u16 pixels from the
> * src_buffer, convert them to a specific format, and store them in the
> @@ -130,12 +165,50 @@ static void argb_u16_to_XRGB8888(struct vkms_frame_info *frame_info,
> }
> }
>
> +static void argb_u16_to_ARGB16161616(struct vkms_frame_info *frame_info,
> + const struct line_buffer *src_buffer, int y)
> +{
> + int x, x_dst = frame_info->dst.x1;
> + u16 *dst_pixels = packed_pixels_addr(frame_info, x_dst, y);
> + struct pixel_argb_u16 *in_pixels = src_buffer->pixels;
> + int x_limit = min_t(size_t, drm_rect_width(&frame_info->dst),
> + src_buffer->n_pixels);
> +
> + for (x = 0; x < x_limit; x++, dst_pixels += 4) {
> + dst_pixels[3] = cpu_to_le16(in_pixels[x].a);
> + dst_pixels[2] = cpu_to_le16(in_pixels[x].r);
> + dst_pixels[1] = cpu_to_le16(in_pixels[x].g);
> + dst_pixels[0] = cpu_to_le16(in_pixels[x].b);
> + }
> +}
> +
> +static void argb_u16_to_XRGB16161616(struct vkms_frame_info *frame_info,
> + const struct line_buffer *src_buffer, int y)
> +{
> + int x, x_dst = frame_info->dst.x1;
> + u16 *dst_pixels = packed_pixels_addr(frame_info, x_dst, y);
> + struct pixel_argb_u16 *in_pixels = src_buffer->pixels;
> + int x_limit = min_t(size_t, drm_rect_width(&frame_info->dst),
> + src_buffer->n_pixels);
> +
> + for (x = 0; x < x_limit; x++, dst_pixels += 4) {
> + dst_pixels[3] = (u8)0xffff;
> + dst_pixels[2] = cpu_to_le16(in_pixels[x].r);
> + dst_pixels[1] = cpu_to_le16(in_pixels[x].g);
> + dst_pixels[0] = cpu_to_le16(in_pixels[x].b);
> + }
> +}
> +
> plane_format_transform_func get_plane_fmt_transform_function(u32 format)
> {
> if (format == DRM_FORMAT_ARGB8888)
> return &ARGB8888_to_argb_u16;
> else if (format == DRM_FORMAT_XRGB8888)
> return &XRGB8888_to_argb_u16;
> + else if (format == DRM_FORMAT_ARGB16161616)
> + return &ARGB16161616_to_argb_u16;
> + else if (format == DRM_FORMAT_XRGB16161616)
> + return &XRGB16161616_to_argb_u16;
> else
> return NULL;
> }
> @@ -146,6 +219,10 @@ wb_format_transform_func get_wb_fmt_transform_function(u32 format)
> return &argb_u16_to_ARGB8888;
> else if (format == DRM_FORMAT_XRGB8888)
> return &argb_u16_to_XRGB8888;
> + else if (format == DRM_FORMAT_ARGB16161616)
> + return &argb_u16_to_ARGB16161616;
> + else if (format == DRM_FORMAT_XRGB16161616)
> + return &argb_u16_to_XRGB16161616;
> else
> return NULL;
> }
> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
> index 798243837fd0..60054a85204a 100644
> --- a/drivers/gpu/drm/vkms/vkms_plane.c
> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
> @@ -14,11 +14,14 @@
>
> static const u32 vkms_formats[] = {
> DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_XRGB16161616
> };
>
> static const u32 vkms_plane_formats[] = {
> DRM_FORMAT_ARGB8888,
> - DRM_FORMAT_XRGB8888
> + DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_XRGB16161616,
> + DRM_FORMAT_ARGB16161616
> };
>
> static struct drm_plane_state *
> diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c
> index 97f71e784bbf..cb63a5da9af1 100644
> --- a/drivers/gpu/drm/vkms/vkms_writeback.c
> +++ b/drivers/gpu/drm/vkms/vkms_writeback.c
> @@ -15,6 +15,8 @@
>
> static const u32 vkms_wb_formats[] = {
> DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_XRGB16161616,
> + DRM_FORMAT_ARGB16161616
> };
>
> static const struct drm_connector_funcs vkms_wb_connector_funcs = {
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