linux-kernel - Re: [PATCH 2/2] drm/mipi-dsi: fix handling of ctx in mipi_dsi

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Date: Wed, 12 Jun 2024 07:21:40 -0700
From: Doug Anderson <dianders@...omium.org>
To: Tejas Vipin <tejasvipin76@...il.com>, neil.armstrong@...aro.org
Cc: quic_jesszhan@...cinc.com, maarten.lankhorst@...ux.intel.com, 
	mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, daniel@...ll.ch, 
	linus.walleij@...aro.org, dmitry.baryshkov@...aro.org, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm/mipi-dsi: fix handling of ctx in mipi_dsi_msleep

Hi,

On Wed, Jun 12, 2024 at 6:37 AM Tejas Vipin <tejasvipin76@...il.com> wrote:
>
> ctx would be better off treated as a pointer to account for most of its
> usage so far, and brackets should be added to account for operator
> precedence for correct evaluation.
>
> Fixes: f79d6d28d8fe7 ("drm/mipi-dsi: wrap more functions for streamline handling")
> Signed-off-by: Tejas Vipin <tejasvipin76@...il.com>
> ---
>  include/drm/drm_mipi_dsi.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Yeah. Looking closer at the history, it looks like it was always
intended to be a pointer since the first users all used it as a
pointer.

Suggested-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Douglas Anderson <dianders@...omium.org>

I've also compile-tested all the panels currently using mipi_dsi_msleep().

Neil: Given that this is a correctness thing, I'd rather see this land
sooner rather than later. If you agree, maybe you can land these two
patches whenever you're comfortable with them?


-Doug