[PATCH] video: fbdev: simplefb: Fix info message during probe

Hans de Goede hdegoede at redhat.com
Wed Jan 20 11:16:03 UTC 2021


Hi,

On 1/7/21 6:04 PM, Daniel Vetter wrote:
> Hi Hans,
> 
> On Tue, Dec 29, 2020 at 02:02:30PM +0100, Hans de Goede wrote:
>> Hi,
>>
>> On 12/28/20 7:39 PM, Peter Robinson wrote:
>>> The info message was showing the mapped address for the framebuffer. To avoid
>>> security problems, all virtual addresses are converted to __ptrval__, so
>>> the message has pointless information:
>>>
>>> simple-framebuffer 3ea9b000.framebuffer: framebuffer at 0x3ea9b000, 0x12c000 bytes, mapped to 0x(____ptrval____)
>>>
>>> Drop the extraneous bits to clean up the message:
>>>
>>> simple-framebuffer 3ea9b000.framebuffer: framebuffer at 0x3ea9b000, 0x12c000 bytes
>>>
>>> Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
>>
>> Thanks, patch looks good to me:
>>
>> Reviewed-by: Hans de Goede <hdegoede at redhat.com>
> 
> Since you have commit rights for drm-misc I'm assuming you're also going
> to push this one?

I knew there was some discussion about using drm-misc for drivers/video/fbdev stuff
but I missed that it was decided to go ahead with that.

Good to know that this is handled through drm-misc now.

I've pushed this patch to drm-misc-next.

Regards,

Hans



>>> ---
>>>  drivers/video/fbdev/simplefb.c | 5 ++---
>>>  1 file changed, 2 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
>>> index 533a047d07a2..62f0ded70681 100644
>>> --- a/drivers/video/fbdev/simplefb.c
>>> +++ b/drivers/video/fbdev/simplefb.c
>>> @@ -477,9 +477,8 @@ static int simplefb_probe(struct platform_device *pdev)
>>>  	simplefb_clocks_enable(par, pdev);
>>>  	simplefb_regulators_enable(par, pdev);
>>>  
>>> -	dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
>>> -			     info->fix.smem_start, info->fix.smem_len,
>>> -			     info->screen_base);
>>> +	dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes\n",
>>> +			     info->fix.smem_start, info->fix.smem_len);
>>>  	dev_info(&pdev->dev, "format=%s, mode=%dx%dx%d, linelength=%d\n",
>>>  			     params.format->name,
>>>  			     info->var.xres, info->var.yres,
>>>
>>
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> 



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