[PATCH 4/7] drm/ofdrm: Set preferred depth from format of scanout buffer

[Thomas Zimmermann]

Set the preferred depth from the format of the scanout buffer. The
value cannot be hardcoded, as the scanout buffer's is only known at
runtime. Keeping the existing switch statement just duplicates the
driver's existing logic for format detection.

Also remove the FIXME comment from the call to drm_fbdev_generic_setup()
as the driver now handles color depth and bpp values correctly.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
---
 drivers/gpu/drm/tiny/ofdrm.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/tiny/ofdrm.c b/drivers/gpu/drm/tiny/ofdrm.c
index dc9e4d71b12ae..33eefeba437c5 100644
--- a/drivers/gpu/drm/tiny/ofdrm.c
+++ b/drivers/gpu/drm/tiny/ofdrm.c
@@ -1284,14 +1284,7 @@ static struct ofdrm_device *ofdrm_device_create(struct 
drm_driver *drv,
        dev->mode_config.min_height = height;
        dev->mode_config.max_height = max_height;
        dev->mode_config.funcs = &ofdrm_mode_config_funcs;
-       switch (depth) {
-       case 32:
-               dev->mode_config.preferred_depth = 24;
-               break;
-       default:
-               dev->mode_config.preferred_depth = depth;
-               break;
-       }
+       dev->mode_config.preferred_depth = format->depth;
        dev->mode_config.quirk_addfb_prefer_host_byte_order = true;
 
        /* Primary plane */
@@ -1390,10 +1383,6 @@ static int ofdrm_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
-       /*
-        * FIXME: 24-bit color depth does not work reliably with a 32-bpp
-        * value. Force the bpp value of the scanout buffer's format.
-        */
        drm_fbdev_generic_setup(dev, drm_format_info_bpp(odev->format, 0));
 
        return 0;
-- 
2.38.1