From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH v2 3/4] media: staging: tegra-vde: Turn ON power domain on shutdown Date: Fri, 26 Jun 2020 09:43:33 +0200 Message-ID: <20200626074333.GB3109062@ulmo> References: <20200624150847.22672-1-digetx@gmail.com> <20200624150847.22672-4-digetx@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="+pHx0qQiF2pBVqBT" Return-path: Content-Disposition: inline In-Reply-To: <20200624150847.22672-4-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Dmitry Osipenko Cc: Jonathan Hunter , Mauro Carvalho Chehab , Hans Verkuil , linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org List-Id: linux-tegra@vger.kernel.org --+pHx0qQiF2pBVqBT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 24, 2020 at 06:08:46PM +0300, Dmitry Osipenko wrote: > On some devices bootloader isn't ready to a clamped VDE power, and thus, > machine hangs on a warm reboot (CPU reset). The VDE power partition is > turned ON by default on a cold boot, hence VDE driver should keep power > partition enabled on system's reboot too. This fixes hang on a warm reboot > on a Tegra20 Acer A500 device, which is handy if Embedded Controller > driver is unavailable, i.e. cold reboot can't be performed. >=20 > Signed-off-by: Dmitry Osipenko > --- > drivers/staging/media/tegra-vde/vde.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) Unfortunate that we have to do this, but looks fine: Acked-by: Thierry Reding --+pHx0qQiF2pBVqBT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl71pyUACgkQ3SOs138+ s6F5dw/8CW7nKPapQO4CpytXDxMMoCTTtQyWgDFYQ/xU3ylzovRIiKhI+LeVqVTn Rdi4QA5q5nZPPASa5H9gKccbKel0rgoZFmRt0Lfsz49e/vM7VsoN0+STNG0/cLP8 cn2+ZKSNi1Pdp+kjoHdet3Lep5X3u3wRWlYP18r6D2zRC40WQnV9xzREOwoLZbi2 6MqN1AgbJoLJuKjSFLTqWmegx+J0UtpNhU7SMzPT4BzyGSbssdsu4dkBzDsknq9X tXGCHE5yYwNZ8L4qqZJHs5Z9B5Xgt4S8hoV3fLHBPHiULPsPbqRrCu/Olto1z2br wNfzo3idaet4Rpt1LeaIQf4XFikpOyJzFAmWk05rrcdOV98lGDS/wYiffwl0VF9C FaYtJpoQBKLWAlAGtDyYOUCdpRsRnTYr2D8fQU5li5E+NixhF0MmIAkKmBty8w9l 3sO3na4DMbOmVv6TyT41jpWyYQBgENBeQm1CyxifcgdvTcnuXlW3LAShO3BlVuRi pEOKovKDd0o/BDnjrcJCBuXebZjFs9tdJMNFnvWcGFcgmW48Q1NNrn+8uJhCEjej 8dX50tDvBKvGgD7rhQ5XhV/UxSU9pi5WjHBWzWuPoQo3M0prZzktl6aLRZCMT6Wo NIxCf/cuXOtvwQrGeVse3gFZijVOJdNs0OdVbIsCCAEmOthIDl0= =jvXi -----END PGP SIGNATURE----- --+pHx0qQiF2pBVqBT--