Re: [PATCH v2 04/10] drm/simpledrm: Compute framebuffer stride if not set
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2022-07-21 14:46:36
Also in:
dri-devel, linuxppc-dev
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2022-07-21 14:46:36
Also in:
dri-devel, linuxppc-dev
Hi Thomas, On Wed, Jul 20, 2022 at 4:27 PM Thomas Zimmermann [off-list ref] wrote:
Compute the framebuffer's scanline stride length if not given by the simplefb data. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Thanks for your patch!
--- a/drivers/gpu/drm/tiny/simpledrm.c +++ b/drivers/gpu/drm/tiny/simpledrm.c@@ -743,6 +743,9 @@ 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 = format->cpp[0] * width;
DIV_ROUND_UP(drm_format_info_bpp(format) * width, 8)
+
sdev->mode = simpledrm_mode(width, height);
sdev->format = format;
sdev->pitch = stride;
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds