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drm/fbdev-dma: Fix documented default preferred_bpp value

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As of commit 6c80a93be6 ("drm/fb-helper: Initialize fb-helper's
preferred BPP in prepare function"), the preferred_bpp parameter of
drm_fb_helper_prepare() defaults to 32 instead of
drm_mode_config.preferred_depth.  Hence this also applies to
drm_fbdev_dma_setup(), which just passes its own preferred_bpp
parameter.

Fixes: b79fe9abd5 ("drm/fbdev-dma: Implement fbdev emulation for GEM DMA helpers")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/91f093ffe436a9f94d58fb2bfbc1407f1ebe8bb0.1688656591.git.geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven 2023-07-06 17:30:31 +02:00 committed by Thomas Zimmermann
parent 00ae1491f9
commit 15008052b3
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_fbdev_dma.c
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@ -218,7 +218,7 @@ static const struct drm_client_funcs drm_fbdev_dma_client_funcs = {
* drm_fbdev_dma_setup() - Setup fbdev emulation for GEM DMA helpers
* @dev: DRM device
* @preferred_bpp: Preferred bits per pixel for the device.
* @dev->mode_config.preferred_depth is used if this is zero.
* 32 is used if this is zero.
*
* This function sets up fbdev emulation for GEM DMA drivers that support
* dumb buffers with a virtual address and that can be mmap'ed.