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

From: Rodrigo Vivi
Date: Fri Jul 06 2018 - 16:30:24 EST


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...

>
> }
>
> --
> 2.17.1
>
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