From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Westerberg Subject: Re: Acer Aspire V7-582PG (Haswell, GTX 750M) fails to power off GPU via Power Resources Date: Thu, 27 Oct 2016 12:55:08 +0300 Message-ID: <20161027095508.GA1476@lahna.fi.intel.com> References: <20161026225641.GA27017@al> <20161027081748.GX1476@lahna.fi.intel.com> <20161027090604.GB27017@al> <20161027093011.GZ1476@lahna.fi.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Rick Kerkhof Cc: linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: linux-acpi@vger.kernel.org T24gVGh1LCBPY3QgMjcsIDIwMTYgYXQgMDk6NDI6MjhBTSArMDAwMCwgUmljayBLZXJraG9mIHdy b3RlOgo+ICAgIE5vLCB0aGVyZSBhcmUgbm90LiBIZXJlIGlzIHRoZSByZWN1cnNpdmUgZGlyZWN0 b3J5IGxpc3Rpbmc6CgpBcmUgeW91IGFibGUgdG8gdHJ5IHRoZSBmb2xsb3dpbmcgcGF0Y2ggYW5k IHNlbmQgbWUgZG1lc2cgKG9yIGF0dGFjaCBpdAp0byB0aGF0IGJ1Zyk/IEl0IHNob3VsZCBzaG93 IGlmIHRoZSBBQ1BJIGNvcmUgZXZlbiB0cmllcyB0byBhZGQgdGhvc2UKcG93ZXIgcmVzb3VyY2Vz LgoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvYWNwaS9wb3dlci5jIGIvZHJpdmVycy9hY3BpL3Bvd2Vy LmMKaW5kZXggZmNkNGNlNmY3OGQ1Li5hZjljM2UxNWRkNzQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMv YWNwaS9wb3dlci5jCisrKyBiL2RyaXZlcnMvYWNwaS9wb3dlci5jCkBAIC00NDQsNiArNDQ0LDkg QEAgdm9pZCBhY3BpX3Bvd2VyX2FkZF9yZW1vdmVfZGV2aWNlKHN0cnVjdCBhY3BpX2RldmljZSAq YWRldiwgYm9vbCBhZGQpCiAJaWYgKCFhZGV2LT5wb3dlci5mbGFncy5wb3dlcl9yZXNvdXJjZXMp CiAJCXJldHVybjsKIAorCWFjcGlfaGFuZGxlX2luZm8oYWRldi0+aGFuZGxlLCAiQWRkaW5nIHBv d2VyIHJlc291cmNlcyBmb3IgJXNcbiIsCisJCQkgZGV2X25hbWUoJmFkZXYtPmRldikpOworCiAJ Zm9yIChzdGF0ZSA9IEFDUElfU1RBVEVfRDA7IHN0YXRlIDw9IEFDUElfU1RBVEVfRDNfSE9UOyBz dGF0ZSsrKQogCQlhY3BpX3Bvd2VyX2V4cG9zZV9oaWRlKGFkZXYsCiAJCQkJICAgICAgICZhZGV2 LT5wb3dlci5zdGF0ZXNbc3RhdGVdLnJlc291cmNlcywKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KTm91dmVhdSBtYWlsaW5nIGxpc3QKTm91dmVhdUBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9ub3V2ZWF1Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 27 Oct 2016 12:55:08 +0300 From: Mika Westerberg To: Rick Kerkhof Cc: Peter Wu , linux-acpi@vger.kernel.org, nouveau@lists.freedesktop.org, linux-pci@vger.kernel.org Subject: Re: Acer Aspire V7-582PG (Haswell, GTX 750M) fails to power off GPU via Power Resources Message-ID: <20161027095508.GA1476@lahna.fi.intel.com> References: <20161026225641.GA27017@al> <20161027081748.GX1476@lahna.fi.intel.com> <20161027090604.GB27017@al> <20161027093011.GZ1476@lahna.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-ID: On Thu, Oct 27, 2016 at 09:42:28AM +0000, Rick Kerkhof wrote: > No, there are not. Here is the recursive directory listing: Are you able to try the following patch and send me dmesg (or attach it to that bug)? It should show if the ACPI core even tries to add those power resources. diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index fcd4ce6f78d5..af9c3e15dd74 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -444,6 +444,9 @@ void acpi_power_add_remove_device(struct acpi_device *adev, bool add) if (!adev->power.flags.power_resources) return; + acpi_handle_info(adev->handle, "Adding power resources for %s\n", + dev_name(&adev->dev)); + for (state = ACPI_STATE_D0; state <= ACPI_STATE_D3_HOT; state++) acpi_power_expose_hide(adev, &adev->power.states[state].resources,