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drm/simpledrm: Set preferred depth from format of scanout buffer

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Set the preferred depth from the format of the scanout buffer. The
value cannot be hardcoded, as the scanout buffer is only known at
runtime. Also derive the fbdev emulation's bpp value from the scanout
format.

v2:
	* fix commit-message typo

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20221123115348.2521-6-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
2022-11-23 12:53:46 +01:00
parent 5580f26321
commit 88f19f8bdc
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/tiny/simpledrm.c
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@@ -739,7 +739,7 @@ static struct simpledrm_device *simpledrm_device_create(struct drm_driver *drv,
dev->mode_config.max_width = max_width;
dev->mode_config.min_height = height;
dev->mode_config.max_height = max_height;
dev->mode_config.preferred_depth = format->cpp[0] * 8;
dev->mode_config.preferred_depth = format->depth;
dev->mode_config.funcs = &simpledrm_mode_config_funcs;
/* Primary plane */
@@ -834,7 +834,7 @@ static int simpledrm_probe(struct platform_device *pdev)
if (ret)
return ret;
drm_fbdev_generic_setup(dev, 0);
drm_fbdev_generic_setup(dev, drm_format_info_bpp(sdev->format, 0));
return 0;
}