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SubjectRe: [PATCH v3] drm/client: Convert drm_client_buffer_addfb() to drm_mode_addfb2()
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On 10/15/23 10:27, Geert Uytterhoeven wrote:
> Currently drm_client_buffer_addfb() uses the legacy drm_mode_addfb(),
> which uses bpp and depth to guess the wanted buffer format.
> However, drm_client_buffer_addfb() already knows the exact buffer
> format, so there is no need to convert back and forth between buffer
> format and bpp/depth, and the function can just call drm_mode_addfb2()
> directly instead.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
> Tested-by: Javier Martinez Canillas <javierm@redhat.com>

Applied and pushed to drm-misc-next, thanks!

> ---
> v3:
> - Extract from series "[PATCH v2 0/8] drm: fb-helper/ssd130x: Add
> support for DRM_FORMAT_R1"
> (https://lore.kernel.org/all/cover.1692888745.git.geert@linux-m68k.org),
> as this patch has merits on its own,
> v2:
> - Add Reviewed-by, Tested-by,
> - s/drm_mode_create_dumb/drm_client_buffer_addfb/ in one-line summary.
> ---
> drivers/gpu/drm/drm_client.c | 13 +++++--------
> 1 file changed, 5 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c
> index d4296440f297fc5a..a780832a0963fe38 100644
> --- a/drivers/gpu/drm/drm_client.c
> +++ b/drivers/gpu/drm/drm_client.c
> @@ -395,19 +395,16 @@ static int drm_client_buffer_addfb(struct drm_client_buffer *buffer,
> u32 handle)
> {
> struct drm_client_dev *client = buffer->client;
> - struct drm_mode_fb_cmd fb_req = { };
> - const struct drm_format_info *info;
> + struct drm_mode_fb_cmd2 fb_req = { };
> int ret;
>
> - info = drm_format_info(format);
> - fb_req.bpp = drm_format_info_bpp(info, 0);
> - fb_req.depth = info->depth;
> fb_req.width = width;
> fb_req.height = height;
> - fb_req.handle = handle;
> - fb_req.pitch = buffer->pitch;
> + fb_req.pixel_format = format;
> + fb_req.handles[0] = handle;
> + fb_req.pitches[0] = buffer->pitch;
>
> - ret = drm_mode_addfb(client->dev, &fb_req, client->file);
> + ret = drm_mode_addfb2(client->dev, &fb_req, client->file);
> if (ret)
> return ret;
>
--
Hamza

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