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Wed, 30 Sep 2020 08:08:37 -0400 (EDT) Date: Wed, 30 Sep 2020 14:08:37 +0200 From: Maxime Ripard To: Hoegeun Kwon Subject: Re: [PATCH 1/2] drm/vc4: kms: Assign a FIFO to enabled CRTCs instead of active Message-ID: <20200930120837.jowt5dijwa7pdb6a@gilmour.lan> References: <20200918145918.101068-1-maxime@cerno.tech> <226dbb4a-e97a-f6b3-645e-785a20bbdacd@samsung.com> MIME-Version: 1.0 In-Reply-To: <226dbb4a-e97a-f6b3-645e-785a20bbdacd@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200930_080844_239322_B8B32696 X-CRM114-Status: GOOD ( 17.69 ) 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: Tim Gover , Dave Stevenson , dri-devel@lists.freedesktop.org, Eric Anholt , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, =?utf-8?B?64KY7ISx6rWt?= , Phil Elwell , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============2380346843208553672==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2380346843208553672== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ug6ta5tvkq4rvquy" Content-Disposition: inline --ug6ta5tvkq4rvquy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 24, 2020 at 05:08:56PM +0900, Hoegeun Kwon wrote: > Hi Maxime, >=20 > On 9/18/20 11:59 PM, Maxime Ripard wrote: > > The HVS has three FIFOs that can be assigned to a number of PixelValves > > through a mux. > > > > However, changing that FIFO requires that we disable and then enable the > > pixelvalve, so we want to assign FIFOs to all the enabled CRTCs, and not > > just the active ones. >=20 > Thanks for the patch. >=20 > There is a problem when doing page flip. > After connecting 2 HDMIs without hotplug and booting.(Same thing when > using hotplug.) >=20 > When executing page flip for each of HDMI 0 and 1 in modetest > operation does not work normally. (crtc irq does not occur, so timeout=20 > occurs.) > Sometimes both hdmi 0 or 1 work or not. >=20 > LOGs: > root:~> modetest -Mvc4 -s 32:1280x720 -v > setting mode 1280x720-60Hz@XR24 on connectors 32, crtc 64 > failed to set gamma: Invalid argument > freq: 60.24Hz > freq: 60.00Hz >=20 > root:~> modetest -Mvc4 -s 38:1280x720 -v > setting mode 1280x720-60Hz@XR24 on connectors 38, crtc 69 > failed to set gamma: Invalid argument > select timed out or error (ret 0) > select timed out or error (ret 0) >=20 > Could you please check it? I'll look into it, thanks :) Maxime --ug6ta5tvkq4rvquy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCX3R1RQAKCRDj7w1vZxhR xfIKAP0ZxKnpINZ5Kg3q04USDs9Vo9efen8Srisy8b8ZoBxv1gEAiL6lw6Jae2g5 tgTom4FUgrP++/1IjDfYje2WZl5wDQ8= =/0Ob -----END PGP SIGNATURE----- --ug6ta5tvkq4rvquy-- --===============2380346843208553672== 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 --===============2380346843208553672==--