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[35.229.219.105]) by smtp.googlemail.com with ESMTPSA id n27sm3931629pfv.142.2021.05.06.23.45.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 May 2021 23:45:03 -0700 (PDT) From: Pi-Hsun Shih Cc: Pi-Hsun Shih , Tzung-Bi Shih , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Xin Ji , Hsin-Yi Wang , Sam Ravnborg , dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 2/2] drm/bridge: anx7625: add suspend / resume hooks Date: Fri, 7 May 2021 14:44:28 +0800 Message-Id: <20210507064444.402829-2-pihsun@chromium.org> X-Mailer: git-send-email 2.31.1.607.g51e8a6a459-goog In-Reply-To: <20210507064444.402829-1-pihsun@chromium.org> References: <20210507064444.402829-1-pihsun@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add suspend / resume hooks for anx7625 driver, that power off the device on suspend and power on the device on resume if it was previously powered. Signed-off-by: Pi-Hsun Shih --- drivers/gpu/drm/bridge/analogix/anx7625.c | 27 +++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index f56f8cf1f3bd..176d395c1a9f 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1705,7 +1705,34 @@ static int __maybe_unused anx7625_runtime_pm_resume(struct device *dev) return 0; } +static int __maybe_unused anx7625_resume(struct device *dev) +{ + struct anx7625_data *ctx = dev_get_drvdata(dev); + + if (!ctx->pdata.intp_irq) + return 0; + + if (!pm_runtime_enabled(dev) || !pm_runtime_suspended(dev)) + anx7625_runtime_pm_resume(dev); + + return 0; +} + +static int __maybe_unused anx7625_suspend(struct device *dev) +{ + struct anx7625_data *ctx = dev_get_drvdata(dev); + + if (!ctx->pdata.intp_irq) + return 0; + + if (!pm_runtime_enabled(dev) || !pm_runtime_suspended(dev)) + anx7625_runtime_pm_suspend(dev); + + return 0; +} + static const struct dev_pm_ops anx7625_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(anx7625_suspend, anx7625_resume) SET_RUNTIME_PM_OPS(anx7625_runtime_pm_suspend, anx7625_runtime_pm_resume, NULL) }; -- 2.31.1.607.g51e8a6a459-goog