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(2001-1c00-0c32-7800-5bfa-a036-83f0-f9ec.cable.dynamic.v6.ziggo.nl. [2001:1c00:c32:7800:5bfa:a036:83f0:f9ec]) by smtp.gmail.com with ESMTPSA id u7-20020aa7d0c7000000b0051a2d2f82fdsm2877251edo.6.2023.07.12.07.43.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Jul 2023 07:43:51 -0700 (PDT) Message-ID: <0f50cb97-0507-bcbb-03c6-e3394690ae80@redhat.com> Date: Wed, 12 Jul 2023 16:43:50 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH v2 5/8] platform/x86: asus-wmi: don't allow eGPU switching if eGPU not connected Content-Language: en-US, nl To: "Luke D. Jones" Cc: corentin.chary@gmail.com, acpi4asus-user@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, markgross@kernel.org, jdelvare@suse.com, linux@roeck-us.net References: <20230630053552.976579-1-luke@ljones.dev> <20230630053552.976579-6-luke@ljones.dev> From: Hans de Goede In-Reply-To: <20230630053552.976579-6-luke@ljones.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 6/30/23 07:35, Luke D. Jones wrote: > Check the ASUS_WMI_DEVID_EGPU_CONNECTED method for eGPU connection > before allowing the ASUS_WMI_DEVID_EGPU method to run. > > Signed-off-by: Luke D. Jones Thanks, patch looks good to me: Reviewed-by: Hans de Goede Regards, Hans > --- > drivers/platform/x86/asus-wmi.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c > index 0c8a4a46b121..821addb284d7 100644 > --- a/drivers/platform/x86/asus-wmi.c > +++ b/drivers/platform/x86/asus-wmi.c > @@ -693,6 +693,15 @@ static ssize_t egpu_enable_store(struct device *dev, > if (enable > 1) > return -EINVAL; > > + err = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); > + if (err < 0) > + return err; > + if (err < 1) { > + err = -ENODEV; > + pr_warn("Failed to set egpu disable: %d\n", err); > + return err; > + } > + > err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result); > if (err) { > pr_warn("Failed to set egpu disable: %d\n", err);