[8/8] drm/ssd130x: Switch preferred_bpp/depth to 1
Commit Message
The native display format is R1. Hence change the preferred_depth and
preferred_bpp to 1, to avoid the overhead of using XR24 and the
associated conversions when using fbdev emulation and its text console.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
drivers/gpu/drm/solomon/ssd130x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Comments
Geert Uytterhoeven <geert@linux-m68k.org> writes:
> The native display format is R1. Hence change the preferred_depth and
> preferred_bpp to 1, to avoid the overhead of using XR24 and the
> associated conversions when using fbdev emulation and its text console.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Thanks again for the series!
@@ -945,7 +945,7 @@ static int ssd130x_init_modeset(struct ssd130x_device *ssd130x)
drm->mode_config.max_width = max_width;
drm->mode_config.min_height = mode->vdisplay;
drm->mode_config.max_height = max_height;
- drm->mode_config.preferred_depth = 24;
+ drm->mode_config.preferred_depth = 1;
drm->mode_config.funcs = &ssd130x_mode_config_funcs;
/* Primary plane */
@@ -1075,7 +1075,7 @@ struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap)
if (ret)
return ERR_PTR(dev_err_probe(dev, ret, "DRM device register failed\n"));
- drm_fbdev_generic_setup(drm, 32);
+ drm_fbdev_generic_setup(drm, 1);
return ssd130x;
}