Re: [patch] rivafb/nvidiafb: race between register_framebuffer and *_bl_init

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Guido Guenther wrote:

Please add your Signed-off-by:

Tony

> Hi,
> On Sat, Jul 22, 2006 at 06:28:21PM +0200, Guido Guenther wrote:
>> This fixes booting current git on a PB 6,1, please apply if it looks
>> correct - in this case radeonfb/atyfb would be affected too - I can fix
>> that too but don't have any hardware to test this on.
> ...no it doesn't because the patch doesn't apply. This one does, sorry
> for the noise.
>  -- Guido
> 
> diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
> diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
> index 9f2066f..eae291e 100644
> --- a/drivers/video/nvidia/nvidia.c
> +++ b/drivers/video/nvidia/nvidia.c
> @@ -1303,20 +1303,19 @@ #endif				/* CONFIG_MTRR */
>  
>  	nvidia_save_vga(par, &par->SavedReg);
>  
> +	pci_set_drvdata(pd, info);
> +	nvidia_bl_init(par);
>  	if (register_framebuffer(info) < 0) {
>  		printk(KERN_ERR PFX "error registering nVidia framebuffer\n");
>  		goto err_out_iounmap_fb;
>  	}
>  
> -	pci_set_drvdata(pd, info);
>  
>  	printk(KERN_INFO PFX
>  	       "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n",
>  	       info->fix.id,
>  	       par->FbMapSize / (1024 * 1024), info->fix.smem_start);
>  
> -	nvidia_bl_init(par);
> -
>  	NVTRACE_LEAVE();
>  	return 0;
>  
> diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
> index 33dddba..43aa8be 100644
> --- a/drivers/video/riva/fbdev.c
> +++ b/drivers/video/riva/fbdev.c
> @@ -2132,6 +2132,9 @@ #endif /* CONFIG_MTRR */
>  
>  	fb_destroy_modedb(info->monspecs.modedb);
>  	info->monspecs.modedb = NULL;
> +
> +	pci_set_drvdata(pd, info);
> +	riva_bl_init(info->par);
>  	ret = register_framebuffer(info);
>  	if (ret < 0) {
>  		printk(KERN_ERR PFX
> @@ -2139,8 +2142,6 @@ #endif /* CONFIG_MTRR */
>  		goto err_iounmap_screen_base;
>  	}
>  
> -	pci_set_drvdata(pd, info);
> -
>  	printk(KERN_INFO PFX
>  		"PCI nVidia %s framebuffer ver %s (%dMB @ 0x%lX)\n",
>  		info->fix.id,
> @@ -2148,8 +2149,6 @@ #endif /* CONFIG_MTRR */
>  		info->fix.smem_len / (1024 * 1024),
>  		info->fix.smem_start);
>  
> -	riva_bl_init(info->par);
> -
>  	NVTRACE_LEAVE();
>  	return 0;
>  
> 
> 
> Signed-Off-By: Guido Guenther <[email protected]>
> 

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