search for: d2_support

Displaying 15 results from an estimated 15 matches for "d2_support".

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[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Oct 17
4
[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
..., 61 insertions(+) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b97d9e10c9cc..02e71e0bcdd7 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -850,6 +850,13 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) || (state == PCI_D2 && !dev->d2_support)) return -EIO; + /* + * check if we have a bad combination of bridge controller and nvidia + * GPU, see quirk_broken_nv_runpm for more info + */ + if (state != PCI_D0 && dev->broken_nv_runpm) + return 0; + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmc...
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Oct 16
4
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...v_runpm && dev->broken_nv_runpm; +} + /** * pci_raw_set_power_state - Use PCI PM registers to set the power state of * given PCI device @@ -850,6 +857,10 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) || (state == PCI_D2 && !dev->d2_support)) return -EIO; + /* check if the bus controller causes issues */ + if (state != PCI_D0 && parent_broken_child_pm(dev)) + return 0; + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); /* diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 44c4ae1abd0...
[PATCH v6] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2020 Mar 03
2
[PATCH v6] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...e_remove(dev); } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 951099279192..6ece05723fa2 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -860,6 +860,14 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) || (state == PCI_D2 && !dev->d2_support)) return -EIO; + /* + * Power management can be disabled for certain devices as they don't + * come back up later on runtime_resume. We rely on platform means to + * cut power consumption instead (e.g. ACPI). + */ + if (state != PCI_D0 && dev->parent_d3cold) + return 0; +...
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Oct 16
2
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...gt; * pci_raw_set_power_state - Use PCI PM registers to set the power state of > > * given PCI device > > @@ -850,6 +857,10 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > > || (state == PCI_D2 && !dev->d2_support)) > > return -EIO; > > > > + /* check if the bus controller causes issues */ > > + if (state != PCI_D0 && parent_broken_child_pm(dev)) > > + return 0; > > + > > pci_read_config_word(dev, dev->pm_cap + PCI_P...
[PATCH v5] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Nov 22
1
[PATCH v5] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
..., 59 insertions(+) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 57f15a7e6f0b..e08db2daa924 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -850,6 +850,13 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) || (state == PCI_D2 && !dev->d2_support)) return -EIO; + /* + * Check if we have a bad combination of bridge controller and nvidia + * GPU, see quirk_broken_nv_runpm for more info + */ + if (state != PCI_D0 && dev->broken_nv_runpm) + return 0; + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);...
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Oct 16
0
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...v_runpm; > +} > + > /** > * pci_raw_set_power_state - Use PCI PM registers to set the power state of > * given PCI device > @@ -850,6 +857,10 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > || (state == PCI_D2 && !dev->d2_support)) > return -EIO; > > + /* check if the bus controller causes issues */ > + if (state != PCI_D0 && parent_broken_child_pm(dev)) > + return 0; > + > pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); > > /* > diff --git a/drivers/pci...
[RFC PATCH] pci: prevent putting pcie devices into lower device states on certain intel bridges
2019 Sep 30
0
[RFC PATCH] pci: prevent putting pcie devices into lower device states on certain intel bridges
...n dev->bus->self->broken_child_pm; +} + /** * pci_raw_set_power_state - Use PCI PM registers to set the power state of * given PCI device @@ -844,6 +851,10 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) || (state == PCI_D2 && !dev->d2_support)) return -EIO; + /* check if the bus controller causes issues */ + if (state != PCI_D0 && parent_broken_child_pm(dev)) + return 0; + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); /* diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0f16acc323c...
[PATCH v6] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2020 Mar 04
0
[PATCH v6] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...--git a/drivers/pci/pci.c b/drivers/pci/pci.c > index 951099279192..6ece05723fa2 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -860,6 +860,14 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > || (state == PCI_D2 && !dev->d2_support)) > return -EIO; > > + /* > + * Power management can be disabled for certain devices as they don't > + * come back up later on runtime_resume. We rely on platform means to > + * cut power consumption instead (e.g. ACPI). > + */ > + if (state != PCI_D0 &&...
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Oct 16
0
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
..._set_power_state - Use PCI PM registers to set the power state of > > > * given PCI device > > > @@ -850,6 +857,10 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > > > || (state == PCI_D2 && !dev->d2_support)) > > > return -EIO; > > > > > > + /* check if the bus controller causes issues */ > > > + if (state != PCI_D0 && parent_broken_child_pm(dev)) > > > + return 0; > > > + > > > pci_read_conf...
[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Nov 19
0
[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...--git a/drivers/pci/pci.c b/drivers/pci/pci.c > index b97d9e10c9cc..02e71e0bcdd7 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -850,6 +850,13 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > || (state == PCI_D2 && !dev->d2_support)) > return -EIO; > > + /* > + * check if we have a bad combination of bridge controller and nvidia > + * GPU, see quirk_broken_nv_runpm for more info Whitespace damage. Capitalized incorrectly (see other comments nearby). > + */ > + if (state != PCI_D0 &&a...
[PATCH v6] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2020 Mar 05
1
[PATCH v6] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...rivers/pci/pci.c > > index 951099279192..6ece05723fa2 100644 > > --- a/drivers/pci/pci.c > > +++ b/drivers/pci/pci.c > > @@ -860,6 +860,14 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > > || (state == PCI_D2 && !dev->d2_support)) > > return -EIO; > > > > + /* > > + * Power management can be disabled for certain devices as they don't > > + * come back up later on runtime_resume. We rely on platform means to > > + * cut power consumption instead (e.g....
[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Nov 19
3
[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...rivers/pci/pci.c > > index b97d9e10c9cc..02e71e0bcdd7 100644 > > --- a/drivers/pci/pci.c > > +++ b/drivers/pci/pci.c > > @@ -850,6 +850,13 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > > || (state == PCI_D2 && !dev->d2_support)) > > return -EIO; > > > > + /* > > + * check if we have a bad combination of bridge controller and nvidia > > + * GPU, see quirk_broken_nv_runpm for more info > > Whitespace damage. Capitalized incorrectly (see other comments >...
[PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2020 Mar 10
2
[PATCH v7] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...le_device(pdev); } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index d828ca835a98..9c4044fc2553 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -861,6 +861,14 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) || (state == PCI_D2 && !dev->d2_support)) return -EIO; + /* + * Power management can be disabled for certain devices as they don't + * come back up later on runtime_resume. We rely on platform means to + * cut power consumption instead (e.g. ACPI). + */ + if (state != PCI_D0 && dev->parent_d3cold) + return 0; +...
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Oct 16
3
[PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...e - Use PCI PM registers to set the power state of > > > > * given PCI device > > > > @@ -850,6 +857,10 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > > > > || (state == PCI_D2 && !dev->d2_support)) > > > > return -EIO; > > > > > > > > + /* check if the bus controller causes issues */ > > > > + if (state != PCI_D0 && parent_broken_child_pm(dev)) > > > > + return 0; > > > > + >...
[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
2019 Nov 20
1
[PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
...; > index b97d9e10c9cc..02e71e0bcdd7 100644 > > > --- a/drivers/pci/pci.c > > > +++ b/drivers/pci/pci.c > > > @@ -850,6 +850,13 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) > > > || (state == PCI_D2 && !dev->d2_support)) > > > return -EIO; > > > > > > + /* > > > + * check if we have a bad combination of bridge controller and nvidia > > > + * GPU, see quirk_broken_nv_runpm for more info > > > > Whitespace damage. Capitalized i...