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From: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
To: Nathan Chancellor <natechancellor@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Rob Clark <robdclark@gmail.com>,
	Sean Paul <seanpaul@chromium.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kalyan Thota <kalyan_t@codeaurora.org>
Subject: Re: inux-next: build failure after merge of the drm-msm tree
Date: Wed, 27 May 2020 22:33:21 -0400	[thread overview]
Message-ID: <453780.1590633201@turing-police> (raw)
In-Reply-To: <20200527041618.GA3137030@ubuntu-s3-xlarge-x86>

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On Tue, 26 May 2020 21:16:18 -0700, Nathan Chancellor said:

> Additionally, I see a failure with clang due to the use of Bps_to_icc,
> which does a straight division by 1000, which is treated as an integer
> literal, with avg_bw as the dividend, which is a u64.
>
> Below is the "hack" in my tree.

Also needed with gcc 8.3 for arm allmodconfig.

> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
> index 85c2a4190840..5ea725d8da6c 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
> @@ -250,7 +250,7 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
>
>  	for (i = 0; i < kms->num_paths; i++)
>  		icc_set_bw(kms->path[i],
> -			Bps_to_icc(avg_bw), (perf.max_per_pipe_ib));
> +			div_u64(avg_bw, 1000), (perf.max_per_pipe_ib));
>
>  	return ret;
>  }
>


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  reply	other threads:[~2020-05-28  2:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19  5:09 inux-next: build failure after merge of the drm-msm tree Stephen Rothwell
2020-05-26  4:08 ` Stephen Rothwell
2020-05-27  4:16   ` Nathan Chancellor
2020-05-28  2:33     ` Valdis Klētnieks [this message]
2020-05-29  4:10   ` Stephen Rothwell
2020-06-01 22:15     ` Stephen Rothwell
2020-06-02  3:15       ` Dave Airlie

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