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drm/simpledrm: Compute linestride with drm_format_info_min_pitch()

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If not given, compute the stride with drm_format_info_min_pitch(). It's
the standard helper for this purpose.

Suggested-by: Daniel Vetter <[email protected]>
Signed-off-by: Thomas Zimmermann <[email protected]>
Reviewed-by: Javier Martinez Canillas <[email protected]>
Fixes: fd9e3169e4 ("drm/simpledrm: Compute framebuffer stride if not set")
Cc: Javier Martinez Canillas <[email protected]>
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
This commit is contained in:
Thomas Zimmermann committed 2022-09-27 10:24:47 +02:00
1 parent c7bcc1056c
commit 7bfa5c7b28
1 file changed
+5 -2
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drivers/gpu/drm/tiny/simpledrm.c
+5 -2
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@@ -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;