lkml.org 
[lkml]   [2022]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH v5 5/5] drm/msm/disp/dpu1: set mdp clk to the maximum frequency in opp table during probe
Date


> -----Original Message-----
> From: Doug Anderson <dianders@chromium.org>
> Sent: Thursday, March 10, 2022 12:55 AM
> To: quic_vpolimer <quic_vpolimer@quicinc.com>
> Cc: dri-devel <dri-devel@lists.freedesktop.org>; linux-arm-msm <linux-arm-
> msm@vger.kernel.org>; freedreno <freedreno@lists.freedesktop.org>;
> open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
> <devicetree@vger.kernel.org>; LKML <linux-kernel@vger.kernel.org>; Rob
> Clark <robdclark@gmail.com>; Stephen Boyd <swboyd@chromium.org>;
> quic_kalyant <quic_kalyant@quicinc.com>
> Subject: Re: [PATCH v5 5/5] drm/msm/disp/dpu1: set mdp clk to the
> maximum frequency in opp table during probe
>
> WARNING: This email originated from outside of Qualcomm. Please be wary
> of any links or attachments, and do not enable macros.
>
> Hi,
>
> On Tue, Mar 8, 2022 at 8:55 AM Vinod Polimera
> <quic_vpolimer@quicinc.com> wrote:
> >
> > use max clock during probe/bind sequence from the opp table.
> > The clock will be scaled down when framework sends an update.
> >
> > Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
> > ---
> > drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 3 +++
> > 1 file changed, 3 insertions(+)
>
> In addition to Dmitry's requests, can you also make this patch #1 in
> the series since the DTS stuff really ought to come _after_ this one.
>
> ...and actually, thinking about it further:
>
> 1. If we land this fix, we actually don't _need_ the dts patches,
> right? Sure, the clock rate will get assigned before probe but then
> we'll change it right away in probe, right?
>
> 2. If we land the dts patches _before_ the driver patch then it will
> be a regression, right?
>
> 3. The dts patches and driver patch will probably land through
> separate trees. The driver patch will go through the MSM DRM tree and
> the device tree patches through the Qualcomm armsoc tree, right?
>
>
> Assuming that the above is right, we should:
>
> 1. Put the driver patch first.
>
Moved driver patch first.

> 2. Remove the "Fixes" tag on the dts patches. I guess in theory we
> could have a FIxes tag on this patch?
>
- Removed fixed tag on dt patches and added on driver patch.

> 3. Note in the dts patches commit messages that they depend on the driver
> patch.
>
- Added dependency patch on driver patch for dt patch.

> 4. Delay the dts patches until the driver change has made it to mainline.
>
> Does that sound reasonable?
\
 
 \ /
  Last update: 2022-03-14 15:53    [W:0.118 / U:0.444 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site