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[82.149.1.172]) by smtp.gmail.com with ESMTPSA id p23-20020a056402501700b0043ba7df7a42sm10858179eda.26.2022.09.07.08.09.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Sep 2022 08:09:06 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Maxime Ripard Cc: Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Samuel Holland , Karol Herbst , =?UTF-8?Q?Noralf_Tr=C3=B8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen , Hans de Goede , linux-arm-kernel@lists.infradead.org, Phil Elwell , intel-gfx@lists.freedesktop.org, Dave Stevenson , dri-devel@lists.freedesktop.org, Dom Cobley , linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Mateusz Kwiatkowski , Geert Uytterhoeven Subject: Re: Re: [PATCH v2 36/41] drm/sun4i: tv: Merge mode_set into atomic_enable Date: Wed, 07 Sep 2022 17:09:04 +0200 Message-ID: <4210281.ejJDZkT8p0@kista> In-Reply-To: <20220907074134.36yysxrnnpty4ngw@houat> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> <10138422.nUPlyArG6x@kista> <20220907074134.36yysxrnnpty4ngw@houat> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dne sreda, 07. september 2022 ob 09:41:34 CEST je Maxime Ripard napisal(a): > On Tue, Sep 06, 2022 at 10:04:32PM +0200, Jernej =C5=A0krabec wrote: > > Dne ponedeljek, 29. avgust 2022 ob 15:11:50 CEST je Maxime Ripard=20 napisal(a): > > > Our mode_set implementation can be merged into our atomic_enable > > > implementation to simplify things, so let's do this. > >=20 > > Are you sure this is a good thing in long term? What if user wants to > > change mode? Unlikely, but why not. >=20 > It doesn't change anything feature-wise: whenever the mode is changed on > the CRTC, the encoder is going to be disabled and enabled. >=20 > It's disabled here: > https://elixir.bootlin.com/linux/latest/source/drivers/gpu/drm/drm_atomic= _he > lper.c#L1064 >=20 > And enabled here: > https://elixir.bootlin.com/linux/latest/source/drivers/gpu/drm/drm_atomic= _he > lper.c#L1403 >=20 > With drm_atomic_crtc_needs_modeset() being defined here: > https://elixir.bootlin.com/linux/latest/source/include/drm/drm_atomic.h#L= 104 > 9 Right. Acked-by: Jernej Skrabec Best regards, Jernej