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From: Teguh Sobirin <teguh@sobir.in>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: Rob Clark <robin.clark@oss.qualcomm.com>,
	Dmitry Baryshkov <lumag@kernel.org>,
	Abhinav Kumar <abhinav.kumar@linux.dev>,
	Jessica Zhang <jesszhan0024@gmail.com>,
	Sean Paul <sean@poorly.run>,
	Marijn Suijten <marijn.suijten@somainline.org>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"freedreno@lists.freedesktop.org"
	<freedreno@lists.freedesktop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] drm/msm/dpu: Set vsync source irrespective of mdp top support
Date: Mon, 17 Nov 2025 07:55:08 +0000	[thread overview]
Message-ID: <TYUPR06MB60990F649387CA675ADF2813DDC9A@TYUPR06MB6099.apcprd06.prod.outlook.com> (raw)
In-Reply-To: <w3fffuitwki7imcpc75m2e5kv5fpg5nj6udpxytm55kqa4mkud@rkl2ywspwm5y>


> 
> On 14 Nov 2025, at 12.10, Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> wrote:
> 
> On Tue, Oct 28, 2025 at 07:02:28PM +0200, Dmitry Baryshkov wrote:
>>> On Tue, Oct 28, 2025 at 08:36:35PM +0800, Teguh Sobirin wrote:
>>> Move the loop over phys_encs outside the
>>> hw_mdptop->ops.setup_vsync_source block.
>>> This way, vsync_sel() is called for each interface.
>>> 
>>> This change ensures TE vsync selection works
>>> even if setup_vsync_source is not implemented.
>> 
>> Please see Documentation/processs/submitting-patches.rst. Don't describe
>> the change and pleasw wrap the commit message on 72-75 chars boundary.
>> 
>> I can suggest something like this:
>> 
>> Since DPU 5.x the vsync source TE setup is split between MDP TOP and
>> INTF blocks.  Currently all code to setup vsync_source is only exectued
>> if MDP TOP implements the setup_vsync_source() callback. However on
>> DPU >= 8.x this callback is not implemented, making DPU driver skip all
>> vsync setup. Move the INTF part out of this condition, letting DPU
>> driver to setup TE vsync selection on all new DPU devices.
>> 
>> The patch itself looks good to me.
> 
> 
> Teguh, any updates on the patch?
> 
> --
> With best wishes
> Dmitry

I will send a new one with corrected commit message

Regards,
Teguh.

      reply	other threads:[~2025-11-17  7:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-28 12:36 Teguh Sobirin
2025-10-28 17:02 ` Dmitry Baryshkov
2025-11-14  4:10   ` Dmitry Baryshkov
2025-11-17  7:55     ` Teguh Sobirin [this message]

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