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Tue, 2 Jun 2020 07:04:43 -0400 (EDT) Date: Tue, 2 Jun 2020 13:04:42 +0200 From: Maxime Ripard To: Jian-Hong Pan Subject: Re: [PATCH v2 00/91] drm/vc4: Support BCM2711 Display Pipelin Message-ID: <20200602110442.2ceuymhwuomvjj6i@gilmour> References: <20200507172158.cybtakpo6cxv6wcs@gilmour.lan> <20200526102018.kznh6aglpkqlp6en@gilmour.lan> <20200527091335.7wc3uy67lbz7j4di@gilmour.lan> <20200528073055.znutrhkryzu3grrl@gilmour.lan> MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200602_040453_539704_1AA1C4EB X-CRM114-Status: GOOD ( 17.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, devicetree , Linux Kernel , dri-devel , Daniel Drake , Eric Anholt , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Linux Upstreaming Team , linux-clk@vger.kernel.org, Nicolas Saenz Julienne , linux-i2c@vger.kernel.org Content-Type: multipart/mixed; boundary="===============2124519247181113454==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2124519247181113454== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="5pdc5mmeqmvo6ueh" Content-Disposition: inline --5pdc5mmeqmvo6ueh Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Mon, Jun 01, 2020 at 03:58:26PM +0800, Jian-Hong Pan wrote: > Maxime Ripard =E6=96=BC 2020=E5=B9=B45=E6=9C=8828=E6= =97=A5 =E9=80=B1=E5=9B=9B =E4=B8=8B=E5=8D=883:30=E5=AF=AB=E9=81=93=EF=BC=9A > > > > Hi Daniel, > > > > On Wed, May 27, 2020 at 05:15:12PM +0800, Daniel Drake wrote: > > > On Wed, May 27, 2020 at 5:13 PM Maxime Ripard wro= te: > > > > I'm about to send a v3 today or tomorrow, I can Cc you (and Jian-Ho= ng) if you > > > > want. > > > > > > That would be great, although given the potentially inconsistent > > > results we've been seeing so far it would be great if you could > > > additionally push a git branch somewhere. > > > That way we can have higher confidence that we are applying exactly > > > the same patches to the same base etc. > > > > So I sent a new iteration yesterday, and of course forgot to cc you... = Sorry for > > that. > > > > I've pushed my current branch here: > > https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git/log/?= h=3Drpi4-kms >=20 > Thanks to Maxime! >=20 > I have tried your repository on branch rpi4-kms. The DRM VC4 is used! > But got some issues: > 1. Some weird error message in dmesg. Not sure it is related, or not > [ 5.219321] [drm:vc5_hdmi_init_resources] *ERROR* Failed to get > HDMI state machine clock > https://gist.github.com/starnight/3f317dca121065a361cf08e91225e389 That's a deferred probing. The first time the HDMI driver is being probed, the firmware clock driver has not been probed yet. It's making another attempt later on, which succeeds. > 2. The screen flashes suddenly sometimes. >=20 > 3. The higher resolutions, like 1920x1080 ... are lost after hot > re-plug HDMI cable (HDMI0) I'm not sure on how to exactly reproduce those issues (or what they are) though, can you expand on this? Maxime --5pdc5mmeqmvo6ueh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXtYySgAKCRDj7w1vZxhR xfUBAP46Th1pk7x3jxfXvrbbwj1VxBv4kbEOV1Bu98RJiU1LywD/RjzWHXndJXmh fEI26r6ziCy/1OpEIZxssHX9I6WnfQ4= =suuo -----END PGP SIGNATURE----- --5pdc5mmeqmvo6ueh-- --===============2124519247181113454== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============2124519247181113454==--