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[2003:e4:1f0f:a600:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id h2-20020a05600c350200b0040c44b4a282sm17521133wmq.43.2023.12.14.09.27.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 09:27:41 -0800 (PST) Date: Thu, 14 Dec 2023 18:27:39 +0100 From: Thierry Reding To: Zhang Shurong Cc: mperttunen@nvidia.com, airlied@gmail.com, daniel@ffwll.ch, jonathanh@nvidia.com, p.zabel@pengutronix.de, lgirdwood@gmail.com, broonie@kernel.org, dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] drm/tegra: dpaux: Fix PM disable depth imbalance in tegra_dpaux_probe Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="2ga4bhpKz+XbSCEL" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.12 (2023-09-09) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --2ga4bhpKz+XbSCEL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 04, 2023 at 10:10:55PM +0800, Zhang Shurong wrote: > The pm_runtime_enable function increases the power disable depth, > which means that we must perform a matching decrement on the error > handling path to maintain balance within the given context. > Additionally, we need to address the same issue for pm_runtime_get_sync. > We fix this by invoking pm_runtime_disable and pm_runtime_put_sync > when error returns. >=20 > Fixes: 82b81b3ec1a7 ("drm/tegra: dpaux: Implement runtime PM") > Signed-off-by: Zhang Shurong > --- > drivers/gpu/drm/tegra/dpaux.c | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-) Applied, thanks. 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