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Date: Fri, 15 Jan 2021 22:42:14 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Maxime Ripard <maxime@...no.tech>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
Daniel Vetter <daniel.vetter@...el.com>,
David Airlie <airlied@...ux.ie>,
dri-devel@...ts.freedesktop.org,
Harry Wentland <harry.wentland@....com>,
Leo Li <sunpeng.li@....com>,
Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
Daniel Vetter <daniel@...ll.ch>,
"James (Qian) Wang" <james.qian.wang@....com>,
Liviu Dudau <liviu.dudau@....com>,
Mihail Atanassov <mihail.atanassov@....com>,
Brian Starkey <brian.starkey@....com>,
Russell King <linux@...linux.org.uk>,
Dave Airlie <airlied@...hat.com>,
Sam Ravnborg <sam@...nborg.org>,
Boris Brezillon <bbrezillon@...nel.org>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Ludovic Desroches <ludovic.desroches@...rochip.com>,
Maxime Ripard <mripard@...nel.org>,
Xinliang Liu <xinliang.liu@...aro.org>,
Tian Tao <tiantao6@...ilicon.com>,
John Stultz <john.stultz@...aro.org>,
Xinwei Kong <kong.kongxinwei@...ilicon.com>,
Chen Feng <puck.chen@...ilicon.com>,
Laurentiu Palcu <laurentiu.palcu@....nxp.com>,
Lucas Stach <l.stach@...gutronix.de>,
Philipp Zabel <p.zabel@...gutronix.de>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Paul Cercueil <paul@...pouillou.net>,
Anitha Chrisanthus <anitha.chrisanthus@...el.com>,
Edmund Dea <edmund.j.dea@...el.com>,
Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Neil Armstrong <narmstrong@...libre.com>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
Marek Vasut <marex@...x.de>, Stefan Agner <stefan@...er.ch>,
Tomi Valkeinen <tomba@...nel.org>,
Sandy Huang <hjc@...k-chips.com>,
Heiko Stübner <heiko@...ech.de>,
Benjamin Gaignard <benjamin.gaignard@...aro.org>,
Vincent Abriou <vincent.abriou@...com>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...l.net>,
Jyri Sarha <jyri.sarha@....fi>,
Hans de Goede <hdegoede@...hat.com>,
Gerd Hoffmann <kraxel@...hat.com>,
Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>,
Melissa Wen <melissa.srw@...il.com>,
Haneen Mohammed <hamohammed.sa@...il.com>,
VMware Graphics <linux-graphics-maintainer@...are.com>,
Roland Scheidegger <sroland@...are.com>,
Hyun Kwon <hyun.kwon@...inx.com>,
Michal Simek <michal.simek@...inx.com>,
amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
freedreno@...ts.freedesktop.org,
linux-rockchip@...ts.infradead.org,
virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 05/10] drm: Use the state pointer directly in planes
atomic_check
Hi Maxime,
Thank you for the patch.
On Fri, Jan 15, 2021 at 01:56:57PM +0100, Maxime Ripard wrote:
> Now that atomic_check takes the global atomic state as a parameter, we
> don't need to go through the pointer in the plane state.
>
> This was done using the following coccinelle script:
>
> @ plane_atomic_func @
> identifier helpers;
> identifier func;
> @@
>
> static struct drm_plane_helper_funcs helpers = {
> ...,
> .atomic_check = func,
> ...,
> };
>
> @@
> identifier plane_atomic_func.func;
> identifier plane, state;
> identifier plane_state;
> @@
>
> func(struct drm_plane *plane, struct drm_atomic_state *state) {
> ...
> - struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
> <... when != plane_state
> - plane_state->state
> + state
> ...>
> }
>
> @@
> identifier plane_atomic_func.func;
> identifier plane, state;
> identifier plane_state;
> @@
>
> func(struct drm_plane *plane, struct drm_atomic_state *state) {
> ...
> struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
> <...
> - plane_state->state
> + state
> ...>
> }
>
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> ---
[snip]
> drivers/gpu/drm/omapdrm/omap_plane.c | 2 +-
> drivers/gpu/drm/xlnx/zynqmp_disp.c | 2 +-
For these, with the small issue below addressed,
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
[snip]
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> index b0a3ba528718..d749acc78c85 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> @@ -1152,7 +1152,7 @@ zynqmp_disp_plane_atomic_check(struct drm_plane *plane,
> if (!new_plane_state->crtc)
> return 0;
>
> - crtc_state = drm_atomic_get_crtc_state(new_plane_state->state,
> + crtc_state = drm_atomic_get_crtc_state(state,
> new_plane_state->crtc);
This now holds on a single line.
> if (IS_ERR(crtc_state))
> return PTR_ERR(crtc_state);
[snip]
--
Regards,
Laurent Pinchart
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