Hi Guenter. On Tue, Jun 30, 2020 at 05:10:02PM -0700, Guenter Roeck wrote: > The following backtrace is seen when running aspeed G5 kernels. > > WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_fb_helper.c:2233 drm_fbdev_generic_setup+0x138/0x198 > aspeed_gfx 1e6e6000.display: Device has not been registered. > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.8.0-rc3 #1 > Hardware name: Generic DT based system > Backtrace: > [<8010d6d0>] (dump_backtrace) from [<8010d9b8>] (show_stack+0x20/0x24) > r7:00000009 r6:60000153 r5:00000000 r4:8119fa94 > [<8010d998>] (show_stack) from [<80b8cb98>] (dump_stack+0xcc/0xec) > [<80b8cacc>] (dump_stack) from [<80123ef0>] (__warn+0xd8/0xfc) > r7:00000009 r6:80e62ed0 r5:00000000 r4:974c3ccc > [<80123e18>] (__warn) from [<80123f98>] (warn_slowpath_fmt+0x84/0xc4) > r9:00000009 r8:806a0140 r7:000008b9 r6:80e62ed0 r5:80e631f8 r4:974c2000 > [<80123f18>] (warn_slowpath_fmt) from [<806a0140>] (drm_fbdev_generic_setup+0x138/0x198) > r9:00000001 r8:9758fc10 r7:9758fc00 r6:00000000 r5:00000020 r4:9768a000 > [<806a0008>] (drm_fbdev_generic_setup) from [<806d4558>] (aspeed_gfx_probe+0x204/0x32c) > r7:9758fc00 r6:00000000 r5:00000000 r4:9768a000 > [<806d4354>] (aspeed_gfx_probe) from [<806dfca0>] (platform_drv_probe+0x58/0xa8) > > Since commit 1aed9509b29a6 ("drm/fb-helper: Remove return value from > drm_fbdev_generic_setup()"), drm_fbdev_generic_setup() must be called > after drm_dev_register() to avoid the warning. Do that. > > Fixes: 1aed9509b29a6 ("drm/fb-helper: Remove return value from drm_fbdev_generic_setup()") > Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> I thought we had this fixed already - but could not find the patch. Must have been another driver then. Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx> I assume Joel Stanley will pick up this patch. Sam > --- > drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c > index 6b27242b9ee3..bca3fcff16ec 100644 > --- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c > +++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c > @@ -173,8 +173,6 @@ static int aspeed_gfx_load(struct drm_device *drm) > > drm_mode_config_reset(drm); > > - drm_fbdev_generic_setup(drm, 32); > - > return 0; > } > > @@ -225,6 +223,7 @@ static int aspeed_gfx_probe(struct platform_device *pdev) > if (ret) > goto err_unload; > > + drm_fbdev_generic_setup(&priv->drm, 32); > return 0; > > err_unload: > -- > 2.17.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel