Re: [PATCH] Make the "Reducing compressed framebufer size" message be DRM_INFO_ONCE()

From: Jiri Slaby
Date: Tue Apr 07 2020 - 05:03:05 EST


On 06. 07. 18, 22:30, Rodrigo Vivi wrote:
> On Fri, Jul 06, 2018 at 03:04:24PM -0400, Peter Jones wrote:
>> This was sort of annoying me:
>>
>> random:~$ dmesg | tail -1
>> [523884.039227] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.
>> random:~$ dmesg | grep -c "Reducing the compressed"
>> 47
>>
>> This patch makes it DRM_INFO_ONCE() just like the similar message
>> farther down in that function is pr_info_once().
>>
>> Signed-off-by: Peter Jones <pjones@xxxxxxxxxx>
>> ---
>> drivers/gpu/drm/i915/intel_fbc.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
>> index b431b6733cc..88b013758da 100644
>> --- a/drivers/gpu/drm/i915/intel_fbc.c
>> +++ b/drivers/gpu/drm/i915/intel_fbc.c
>> @@ -585,7 +585,7 @@ static int intel_fbc_alloc_cfb(struct intel_crtc *crtc)
>> if (!ret)
>> goto err_llb;
>> else if (ret > 1) {
>> - DRM_INFO("Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.\n");
>> + DRM_INFO_ONCE("Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.\n");
>
> I know the feeling of seeing a message over and over again when you are already aware of that.
> Specially something that tells you to change BIOS configuration...
> for this reason I think it makes sense, so:
>
> Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>
> I will just wait for CI and give a couple days to someone else to challenge.
> If I end up forgetting to push it please ping me...

After almost two years, ping :).

>
>>
>> }
>>
>> --
>> 2.17.1

thanks,
--
js