Commit 7bfa5c7b authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

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: default avatarDaniel Vetter <daniel@ffwll.ch>
Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Fixes: fd9e3169 ("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
parent c7bcc105

drivers/gpu/drm/tiny/simpledrm.c

+5 −2
Original line number Diff line number Diff line
@@ -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;