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Mon, 29 Mar 2021 00:08:34 -0700 (PDT) Date: Mon, 29 Mar 2021 09:08:59 +0200 From: Thierry Reding To: Lyude Paul Cc: nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Alex Deucher , Christian =?utf-8?B?S8O2bmln?= , David Airlie , Daniel Vetter , Harry Wentland , Leo Li , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Rob Clark , Sean Paul , Ben Skeggs , Jonathan Hunter , Hyun Kwon , Michal Simek , Luben Tuikov , Oleg Vasilev , Mikita Lipski , Eryk Brol , Rodrigo Siqueira , "Jerry (Fangzhi) Zuo" , Chris Park , Sam Ravnborg , Joe Perches , Vasily Khoruzhick , Guido =?utf-8?Q?G=C3=BCnther?= , Boris Brezillon , Andy Yan , Marek Szyprowski , Tomi Valkeinen , Swapnil Jakhade , Yuti Amonkar , Jyri Sarha , Julia Lawall , Ville =?utf-8?B?U3lyasOkbMOk?= , Imre Deak , Matt Roper , Lucas De Marchi , open list , "open list:DRM DRIVER FOR MSM ADRENO GPU" , "open list:DRM DRIVER FOR MSM ADRENO GPU" , "open list:DRM DRIVERS FOR NVIDIA TEGRA" , "moderated list:ARM/ZYNQ ARCHITECTURE" Subject: Re: [PATCH v2 05/20] drm/dp: Add backpointer to drm_device in drm_dp_aux Message-ID: References: <20210326203807.105754-1-lyude@redhat.com> <20210326203807.105754-6-lyude@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="S4O2kq+aHqU/5PJ1" Content-Disposition: inline In-Reply-To: <20210326203807.105754-6-lyude@redhat.com> User-Agent: Mutt/2.0.6 (98f8cb83) (2021-03-06) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --S4O2kq+aHqU/5PJ1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 26, 2021 at 04:37:52PM -0400, Lyude Paul wrote: > This is something that we've wanted for a while now: the ability to > actually look up the respective drm_device for a given drm_dp_aux struct. > This will also allow us to transition over to using the drm_dbg_*() helpe= rs > for debug message printing, as we'll finally have a drm_device to referen= ce > for doing so. >=20 > Note that there is one limitation with this - because some DP AUX adapters > exist as platform devices which are initialized independently of their > respective DRM devices, one cannot rely on drm_dp_aux->drm_dev to always = be > non-NULL until drm_dp_aux_register() has been called. We make sure to poi= nt > this out in the documentation for struct drm_dp_aux. >=20 > Signed-off-by: Lyude Paul > --- [...] > drivers/gpu/drm/tegra/dpaux.c | 1 + [...] Acked-by: Thierry Reding --S4O2kq+aHqU/5PJ1 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmBhfQgACgkQ3SOs138+ s6HzSQ/9Eo9S9xJvfEMo3ZsjRgZiCwhHpK8p3ntNKOfVV0ipfpeo8vw4YguhWC10 loGRu6CMa+hJqNW3xt/Bhjsj3Wu15gLGcW2igvKlQIr8aNWpssLD3lNELgd2ousG 82a+SF/3ljYs/060sFVCTK782CM+kNBw0ODjoohQjNoO++D1Rr2T0oq85DR8SKcu K+dCQR1V/D7bwL9d2/M9UHM4i9hlOkGUKkFOre0x9FyFeOAAXu4q7dfOg9FCkcU/ 4nIFE8mzWkW4o/fNLiF757dB2llZXxOl+pXNOBye31oslqZxGI6tkJQsvof4sODq s9Eo0qjPjR0rIXZDkVJCScM7yOH2PrzCiVQFTLutTBVuJ6vDd3dmnyzOzRMeqU8h CRcPTECPt3lP77XvqptSH/qdGiylAy0nnIwbw+9/Q7ZZ4KQM6e9pcj/fiSqOocdv bz044P8GPgO18yExiKM4xun4K9t6vJ6MckuHTZEG+16DrRsj6ybdxjBosdBiDN2T OyusX77/sl2KXr9fHW+tWwrDavb7GJ8jpJzZqyxUJa5Tb/ZeVzoScwiSfsLV62Nb JXM8KHUhdfKqOa9Yefaf2O4yGFwcF6PLpKlTPw73PlNqEyhxEBLDqFgb5q2pEXLF uo9LCn/Bju7B/15eqK58g9OAN7no8PxXCmaiO7y6w4fjqsFPTjI= =4qxj -----END PGP SIGNATURE----- --S4O2kq+aHqU/5PJ1--