linux-kernel - [PATCH] drm/fbdev-dma: Fix documented default preferred

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Message-Id: <91f093ffe436a9f94d58fb2bfbc1407f1ebe8bb0.1688656591.git.geert+renesas@glider.be>
Date:   Thu,  6 Jul 2023 17:30:31 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Javier Martinez Canillas <javierm@...hat.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] drm/fbdev-dma: Fix documented default preferred_bpp value

As of commit 6c80a93be62d398e ("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: b79fe9abd58bab73 ("drm/fbdev-dma: Implement fbdev emulation for GEM DMA helpers")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/gpu/drm/drm_fbdev_dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_fbdev_dma.c b/drivers/gpu/drm/drm_fbdev_dma.c
index d86773fa8ab00f49..76aa52b38a13ed63 100644
--- a/drivers/gpu/drm/drm_fbdev_dma.c
+++ b/drivers/gpu/drm/drm_fbdev_dma.c
@@ -217,7 +217,7 @@ 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.
-- 
2.34.1