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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-09-22 16:09:40 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-09-27 11:24:47 +0300 |
| commit | 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 (patch) | |
| tree | 92b9f5fffb99a430a7f653b8d9d833684afa55f3 /drivers/gpu/drm/tiny/simpledrm.c | |
| parent | c7bcc1056cff6d99d173d4707057f3dba94d32d9 (diff) | |
| download | linux-7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1.tar.xz | |
drm/simpledrm: Compute linestride with drm_format_info_min_pitch()
If not given, compute the stride with drm_format_info_min_pitch(). It's
the standard helper for this purpose.
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Fixes: fd9e3169e42b ("drm/simpledrm: Compute framebuffer stride if not set")
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20220922130944.27138-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/tiny/simpledrm.c')
| -rw-r--r-- | drivers/gpu/drm/tiny/simpledrm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c index ea5b3239a659..51d01e34d5eb 100644 --- a/drivers/gpu/drm/tiny/simpledrm.c +++ b/drivers/gpu/drm/tiny/simpledrm.c @@ -687,8 +687,11 @@ static struct simpledrm_device *simpledrm_device_create(struct drm_driver *drv, drm_err(dev, "no simplefb configuration found\n"); return ERR_PTR(-ENODEV); } - if (!stride) - stride = DIV_ROUND_UP(drm_format_info_bpp(format, 0) * width, 8); + if (!stride) { + stride = drm_format_info_min_pitch(format, 0, width); + if (drm_WARN_ON(dev, !stride)) + return ERR_PTR(-EINVAL); + } sdev->mode = simpledrm_mode(width, height); sdev->format = format; |