From: Daniel Vetter <daniel@ffwll.ch>
To: Tomohito Esaki <etom@igel.co.jp>
Cc: "David Airlie" <airlied@linux.ie>,
nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
"Michel Dänzer" <mdaenzer@redhat.com>,
"Daniel Stone" <daniel@fooishbar.org>,
"Lee Jones" <lee.jones@linaro.org>,
"Rob Clark" <robdclark@chromium.org>,
"Evan Quan" <evan.quan@amd.com>,
amd-gfx@lists.freedesktop.org, "Ben Skeggs" <bskeggs@redhat.com>,
"Petr Mladek" <pmladek@suse.com>,
"Sakari Ailus" <sakari.ailus@linux.intel.com>,
"Bas Nieuwenhuizen" <bas@basnieuwenhuizen.nl>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Abhinav Kumar" <abhinavk@codeaurora.org>,
"Dmitry Baryshkov" <dmitry.baryshkov@linaro.org>,
"Takanari Hayama" <taki@igel.co.jp>,
"Sean Paul" <seanpaul@chromium.org>,
"Maxime Ripard" <mripard@kernel.org>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Mark Yacoub" <markyacoub@chromium.org>,
"Qingqing Zhuo" <qingqing.zhuo@amd.com>,
"Pan, Xinhui" <Xinhui.Pan@amd.com>,
linux-kernel@vger.kernel.org, "Simon Ser" <contact@emersion.fr>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Damian Hobson-Garcia" <dhobsong@igel.co.jp>,
"Christian König" <christian.koenig@amd.com>,
"Laurent Pinchart" <laurent.pinchart@ideasonboard.com>
Subject: Re: [Nouveau] [RFC PATCH v6 0/3] Add support modifiers for drivers whose planes only support linear layout
Date: Fri, 28 Jan 2022 23:21:26 +0100 [thread overview]
Message-ID: <YfRsZhMW1dS3EAxa@phenom.ffwll.local> (raw)
In-Reply-To: <20220128060836.11216-1-etom@igel.co.jp>
On Fri, Jan 28, 2022 at 03:08:33PM +0900, Tomohito Esaki wrote:
> Some drivers whose planes only support linear layout fb do not support format
> modifiers.
> These drivers should support modifiers, however the DRM core should handle this
> rather than open-coding in every driver.
>
> In this patch series, these drivers expose format modifiers based on the
> following suggestion[1].
>
> On Thu, Nov 18, 2021 at 01:02:11PM +0000, Daniel Stone wrote:
> > I think the best way forward here is:
> > - add a new mode_config.cannot_support_modifiers flag, and enable
> > this in radeon (plus any other drivers in the same boat)
> > - change drm_universal_plane_init() to advertise the LINEAR modifier
> > when NULL is passed as the modifier list (including installing a
> > default .format_mod_supported hook)
> > - remove the mode_config.allow_fb_modifiers hook and always
> > advertise modifier support, unless
> > mode_config.cannot_support_modifiers is set
>
>
> [1] https://patchwork.kernel.org/project/linux-renesas-soc/patch/20190509054518.10781-1-etom@igel.co.jp/#24602575
>
> v6:
> * add Reviewed-by and Acked-by
> * add a changelog per-patch
Thanks for resending with all that added, makes my life so much easier!
All applied, thanks a bunch.
Cheers, Daniel
>
> v5: https://www.spinics.net/lists/dri-devel/msg330860.html
> * rebase to the latest master branch (5.17-rc1+)
> + "drm/plane: Make format_mod_supported truly optional" patch [2]
> [2] https://patchwork.freedesktop.org/patch/467940/?series=98255&rev=3
>
> * change default_modifiers array from non-static to static
> * remove terminator in default_modifiers array
> * use ARRAY_SIZE to get the format_modifier_count
> * keep a sanity check in plane init func
> * modify several kerneldocs
>
> v4: https://www.spinics.net/lists/dri-devel/msg329508.html
> * modify documentation for fb_modifiers_not_supported flag in kerneldoc
>
> v3: https://www.spinics.net/lists/dri-devel/msg329102.html
> * change the order as follows:
> 1. add fb_modifiers_not_supported flag
> 2. add default modifiers
> 3. remove allow_fb_modifiers flag
> * add a conditional disable in amdgpu_dm_plane_init()
>
> v2: https://www.spinics.net/lists/dri-devel/msg328939.html
> * rebase to the latest master branch (5.16.0+)
> + "drm/plane: Make format_mod_supported truly optional" patch [2]
>
> v1: https://www.spinics.net/lists/dri-devel/msg327352.html
> * The initial patch set
>
> Tomohito Esaki (3):
> drm: introduce fb_modifiers_not_supported flag in mode_config
> drm: add support modifiers for drivers whose planes only support
> linear layout
> drm: remove allow_fb_modifiers
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 6 ++---
> drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 2 ++
> drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 2 ++
> drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 1 +
> drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 2 ++
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
> drivers/gpu/drm/drm_framebuffer.c | 6 ++---
> drivers/gpu/drm/drm_ioctl.c | 2 +-
> drivers/gpu/drm/drm_plane.c | 23 +++++++++++--------
> drivers/gpu/drm/nouveau/nouveau_display.c | 6 +++--
> drivers/gpu/drm/radeon/radeon_display.c | 2 ++
> .../gpu/drm/selftests/test-drm_framebuffer.c | 1 -
> include/drm/drm_mode_config.h | 18 +++++----------
> include/drm/drm_plane.h | 3 +++
> 14 files changed, 45 insertions(+), 32 deletions(-)
>
> --
> 2.25.1
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
prev parent reply other threads:[~2022-01-28 22:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-28 6:08 [Nouveau] [RFC PATCH v6 0/3] Add support modifiers for drivers whose planes only support linear layout Tomohito Esaki
2022-01-28 6:08 ` [Nouveau] [RFC PATCH v6 1/3] drm: introduce fb_modifiers_not_supported flag in mode_config Tomohito Esaki
2022-01-28 6:08 ` [Nouveau] [RFC PATCH v6 2/3] drm: add support modifiers for drivers whose planes only support linear layout Tomohito Esaki
2022-01-28 6:08 ` [Nouveau] [RFC PATCH v6 3/3] drm: remove allow_fb_modifiers Tomohito Esaki
2022-01-28 22:21 ` Daniel Vetter [this message]
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