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Groups > linux.kernel > #1570114 > unrolled thread
| Started by | Bjorn Helgaas <bhelgaas@google.com> |
|---|---|
| First post | 2017-01-30 21:50 +0100 |
| Last post | 2017-02-01 17:20 +0100 |
| Articles | 5 — 4 participants |
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[PATCH v1 0/2] drm amdgpu/radeon: clean up d3_delay usage Bjorn Helgaas <bhelgaas@google.com> - 2017-01-30 21:50 +0100
[PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic Bjorn Helgaas <bhelgaas@google.com> - 2017-01-30 21:50 +0100
RE: [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic "Deucher, Alexander" <Alexander.Deucher@amd.com> - 2017-01-30 22:00 +0100
Re: [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic Andreas Boll <andreas.boll.dev@gmail.com> - 2017-02-01 16:50 +0100
Re: [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic Bjorn Helgaas <helgaas@kernel.org> - 2017-02-01 17:20 +0100
| From | Bjorn Helgaas <bhelgaas@google.com> |
|---|---|
| Date | 2017-01-30 21:50 +0100 |
| Subject | [PATCH v1 0/2] drm amdgpu/radeon: clean up d3_delay usage |
| Message-ID | <t5r3I-8h-13@gated-at.bofh.it> |
amdgpu doesn't need to touch pdev->d3_delay at all.
radeon has a d3_delay quirk for MacBook Pro, but it only affects
radeon_switcheroo_set_state(). I think it should affect wakeups done by
the PCI core as well.
---
Bjorn Helgaas (2):
drm/amdgpu: remove unnecessary save/restore of pdev->d3_delay
drm/radeon: make MacBook Pro d3_delay quirk more generic
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ----
drivers/gpu/drm/radeon/radeon_device.c | 12 ------------
drivers/pci/quirks.c | 13 +++++++++++++
3 files changed, 13 insertions(+), 16 deletions(-)
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| From | Bjorn Helgaas <bhelgaas@google.com> |
|---|---|
| Date | 2017-01-30 21:50 +0100 |
| Subject | [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic |
| Message-ID | <t5r3I-8h-21@gated-at.bofh.it> |
| In reply to | #1570114 |
The PCI Power Management Spec, r1.2, sec 5.6.1, requires a 10 millisecond
delay when powering on a device, i.e., transitioning from state D3hot to
D0.
Apparently some devices require more time, and d1f9809ed131 ("drm/radeon:
add quirk for d3 delay during switcheroo poweron for apple macbooks") added
an additional delay for the Radeon device in a MacBook Pro. 4807c5a8a0c8
("drm/radeon: add a PX quirk list") made the affected device more explicit.
Add a generic PCI quirk to increase the d3_delay. This means we will use
the additional delay for *all* wakeups from D3, not just those initiated by
radeon_switcheroo_set_state().
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Maarten Lankhorst <maarten.lankhorst@canonical.com>
---
drivers/gpu/drm/radeon/radeon_device.c | 12 ------------
drivers/pci/quirks.c | 13 +++++++++++++
2 files changed, 13 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 8a1df2a1afbd..8b8fd981cae5 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -113,7 +113,6 @@ static inline bool radeon_is_atpx_hybrid(void) { return false; }
#endif
#define RADEON_PX_QUIRK_DISABLE_PX (1 << 0)
-#define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1)
struct radeon_px_quirk {
u32 chip_vendor;
@@ -136,9 +135,6 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = {
* https://bugzilla.kernel.org/show_bug.cgi?id=51381
*/
{ PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX },
- /* macbook pro 8.2 */
- { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2, RADEON_PX_QUIRK_LONG_WAKEUP },
- { 0, 0, 0, 0, 0 },
};
bool radeon_is_px(struct drm_device *dev)
@@ -1241,25 +1237,17 @@ static void radeon_check_arguments(struct radeon_device *rdev)
static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state)
{
struct drm_device *dev = pci_get_drvdata(pdev);
- struct radeon_device *rdev = dev->dev_private;
if (radeon_is_px(dev) && state == VGA_SWITCHEROO_OFF)
return;
if (state == VGA_SWITCHEROO_ON) {
- unsigned d3_delay = dev->pdev->d3_delay;
-
printk(KERN_INFO "radeon: switched on\n");
/* don't suspend or resume card normally */
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
- if (d3_delay < 20 && (rdev->px_quirk_flags & RADEON_PX_QUIRK_LONG_WAKEUP))
- dev->pdev->d3_delay = 20;
-
radeon_resume_kms(dev, true, true);
- dev->pdev->d3_delay = d3_delay;
-
dev->switch_power_state = DRM_SWITCH_POWER_ON;
drm_kms_helper_poll_enable(dev);
} else {
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 1800befa8b8b..512d7a875d62 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1683,6 +1683,19 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2609, quirk_intel_pcie_pm);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260a, quirk_intel_pcie_pm);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260b, quirk_intel_pcie_pm);
+static void quirk_radeon_pm(struct pci_dev *dev)
+{
+ if (dev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
+ dev->subsystem_device == 0x00e2) {
+ if (dev->d3_delay < 20) {
+ dev->d3_delay = 20;
+ dev_info(&dev->dev, "extending delay after power-on from D3 to %d msec\n",
+ dev->d3_delay);
+ }
+ }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6741, quirk_radeon_pm);
+
#ifdef CONFIG_X86_IO_APIC
/*
* Boot interrupts on some chipsets cannot be turned off. For these chipsets,
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| From | "Deucher, Alexander" <Alexander.Deucher@amd.com> |
|---|---|
| Date | 2017-01-30 22:00 +0100 |
| Subject | RE: [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic |
| Message-ID | <t5rdo-bx-5@gated-at.bofh.it> |
| In reply to | #1570115 |
> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces@lists.freedesktop.org] On Behalf
> Of Bjorn Helgaas
> Sent: Monday, January 30, 2017 3:41 PM
> To: Deucher, Alexander; Koenig, Christian
> Cc: linux-pm@vger.kernel.org; linux-pci@vger.kernel.org; linux-
> kernel@vger.kernel.org; amd-gfx@lists.freedesktop.org; dri-
> devel@lists.freedesktop.org; Maarten Lankhorst
> Subject: [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk
> more generic
>
> The PCI Power Management Spec, r1.2, sec 5.6.1, requires a 10 millisecond
> delay when powering on a device, i.e., transitioning from state D3hot to
> D0.
>
> Apparently some devices require more time, and d1f9809ed131
> ("drm/radeon:
> add quirk for d3 delay during switcheroo poweron for apple macbooks")
> added
> an additional delay for the Radeon device in a MacBook Pro. 4807c5a8a0c8
> ("drm/radeon: add a PX quirk list") made the affected device more explicit.
>
> Add a generic PCI quirk to increase the d3_delay. This means we will use
> the additional delay for *all* wakeups from D3, not just those initiated by
> radeon_switcheroo_set_state().
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
> CC: Maarten Lankhorst <maarten.lankhorst@canonical.com>
For the series:
Acked-by: Alex Deucher <alexander.deucher@amd.com>
> ---
> drivers/gpu/drm/radeon/radeon_device.c | 12 ------------
> drivers/pci/quirks.c | 13 +++++++++++++
> 2 files changed, 13 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_device.c
> b/drivers/gpu/drm/radeon/radeon_device.c
> index 8a1df2a1afbd..8b8fd981cae5 100644
> --- a/drivers/gpu/drm/radeon/radeon_device.c
> +++ b/drivers/gpu/drm/radeon/radeon_device.c
> @@ -113,7 +113,6 @@ static inline bool radeon_is_atpx_hybrid(void) {
> return false; }
> #endif
>
> #define RADEON_PX_QUIRK_DISABLE_PX (1 << 0)
> -#define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1)
>
> struct radeon_px_quirk {
> u32 chip_vendor;
> @@ -136,9 +135,6 @@ static struct radeon_px_quirk radeon_px_quirk_list[]
> = {
> * https://bugzilla.kernel.org/show_bug.cgi?id=51381
> */
> { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122,
> RADEON_PX_QUIRK_DISABLE_PX },
> - /* macbook pro 8.2 */
> - { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2,
> RADEON_PX_QUIRK_LONG_WAKEUP },
> - { 0, 0, 0, 0, 0 },
> };
>
> bool radeon_is_px(struct drm_device *dev)
> @@ -1241,25 +1237,17 @@ static void radeon_check_arguments(struct
> radeon_device *rdev)
> static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum
> vga_switcheroo_state state)
> {
> struct drm_device *dev = pci_get_drvdata(pdev);
> - struct radeon_device *rdev = dev->dev_private;
>
> if (radeon_is_px(dev) && state == VGA_SWITCHEROO_OFF)
> return;
>
> if (state == VGA_SWITCHEROO_ON) {
> - unsigned d3_delay = dev->pdev->d3_delay;
> -
> printk(KERN_INFO "radeon: switched on\n");
> /* don't suspend or resume card normally */
> dev->switch_power_state =
> DRM_SWITCH_POWER_CHANGING;
>
> - if (d3_delay < 20 && (rdev->px_quirk_flags &
> RADEON_PX_QUIRK_LONG_WAKEUP))
> - dev->pdev->d3_delay = 20;
> -
> radeon_resume_kms(dev, true, true);
>
> - dev->pdev->d3_delay = d3_delay;
> -
> dev->switch_power_state = DRM_SWITCH_POWER_ON;
> drm_kms_helper_poll_enable(dev);
> } else {
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 1800befa8b8b..512d7a875d62 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -1683,6 +1683,19 @@
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2609,
> quirk_intel_pcie_pm);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260a,
> quirk_intel_pcie_pm);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260b,
> quirk_intel_pcie_pm);
>
> +static void quirk_radeon_pm(struct pci_dev *dev)
> +{
> + if (dev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
> + dev->subsystem_device == 0x00e2) {
> + if (dev->d3_delay < 20) {
> + dev->d3_delay = 20;
> + dev_info(&dev->dev, "extending delay after power-
> on from D3 to %d msec\n",
> + dev->d3_delay);
> + }
> + }
> +}
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6741,
> quirk_radeon_pm);
> +
> #ifdef CONFIG_X86_IO_APIC
> /*
> * Boot interrupts on some chipsets cannot be turned off. For these
> chipsets,
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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| From | Andreas Boll <andreas.boll.dev@gmail.com> |
|---|---|
| Date | 2017-02-01 16:50 +0100 |
| Subject | Re: [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic |
| Message-ID | <t65kt-7KL-5@gated-at.bofh.it> |
| In reply to | #1570115 |
2017-01-30 21:41 GMT+01:00 Bjorn Helgaas <bhelgaas@google.com>:
> The PCI Power Management Spec, r1.2, sec 5.6.1, requires a 10 millisecond
> delay when powering on a device, i.e., transitioning from state D3hot to
> D0.
>
> Apparently some devices require more time, and d1f9809ed131 ("drm/radeon:
> add quirk for d3 delay during switcheroo poweron for apple macbooks") added
> an additional delay for the Radeon device in a MacBook Pro. 4807c5a8a0c8
> ("drm/radeon: add a PX quirk list") made the affected device more explicit.
>
> Add a generic PCI quirk to increase the d3_delay. This means we will use
> the additional delay for *all* wakeups from D3, not just those initiated by
> radeon_switcheroo_set_state().
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
> CC: Maarten Lankhorst <maarten.lankhorst@canonical.com>
> ---
> drivers/gpu/drm/radeon/radeon_device.c | 12 ------------
> drivers/pci/quirks.c | 13 +++++++++++++
> 2 files changed, 13 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
> index 8a1df2a1afbd..8b8fd981cae5 100644
> --- a/drivers/gpu/drm/radeon/radeon_device.c
> +++ b/drivers/gpu/drm/radeon/radeon_device.c
> @@ -113,7 +113,6 @@ static inline bool radeon_is_atpx_hybrid(void) { return false; }
> #endif
>
> #define RADEON_PX_QUIRK_DISABLE_PX (1 << 0)
> -#define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1)
>
> struct radeon_px_quirk {
> u32 chip_vendor;
> @@ -136,9 +135,6 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = {
> * https://bugzilla.kernel.org/show_bug.cgi?id=51381
> */
> { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX },
> - /* macbook pro 8.2 */
> - { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2, RADEON_PX_QUIRK_LONG_WAKEUP },
Do you intentionally removed the following line?
> - { 0, 0, 0, 0, 0 },
> };
>
> bool radeon_is_px(struct drm_device *dev)
> @@ -1241,25 +1237,17 @@ static void radeon_check_arguments(struct radeon_device *rdev)
> static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state)
> {
> struct drm_device *dev = pci_get_drvdata(pdev);
> - struct radeon_device *rdev = dev->dev_private;
>
> if (radeon_is_px(dev) && state == VGA_SWITCHEROO_OFF)
> return;
>
> if (state == VGA_SWITCHEROO_ON) {
> - unsigned d3_delay = dev->pdev->d3_delay;
> -
> printk(KERN_INFO "radeon: switched on\n");
> /* don't suspend or resume card normally */
> dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
>
> - if (d3_delay < 20 && (rdev->px_quirk_flags & RADEON_PX_QUIRK_LONG_WAKEUP))
> - dev->pdev->d3_delay = 20;
> -
> radeon_resume_kms(dev, true, true);
>
> - dev->pdev->d3_delay = d3_delay;
> -
> dev->switch_power_state = DRM_SWITCH_POWER_ON;
> drm_kms_helper_poll_enable(dev);
> } else {
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 1800befa8b8b..512d7a875d62 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -1683,6 +1683,19 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2609, quirk_intel_pcie_pm);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260a, quirk_intel_pcie_pm);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260b, quirk_intel_pcie_pm);
>
> +static void quirk_radeon_pm(struct pci_dev *dev)
> +{
> + if (dev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
> + dev->subsystem_device == 0x00e2) {
> + if (dev->d3_delay < 20) {
> + dev->d3_delay = 20;
> + dev_info(&dev->dev, "extending delay after power-on from D3 to %d msec\n",
> + dev->d3_delay);
> + }
> + }
> +}
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6741, quirk_radeon_pm);
> +
> #ifdef CONFIG_X86_IO_APIC
> /*
> * Boot interrupts on some chipsets cannot be turned off. For these chipsets,
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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| From | Bjorn Helgaas <helgaas@kernel.org> |
|---|---|
| Date | 2017-02-01 17:20 +0100 |
| Subject | Re: [PATCH v1 2/2] drm/radeon: make MacBook Pro d3_delay quirk more generic |
| Message-ID | <t65Nv-8ap-1@gated-at.bofh.it> |
| In reply to | #1571672 |
On Wed, Feb 01, 2017 at 04:45:42PM +0100, Andreas Boll wrote:
> 2017-01-30 21:41 GMT+01:00 Bjorn Helgaas <bhelgaas@google.com>:
> > The PCI Power Management Spec, r1.2, sec 5.6.1, requires a 10 millisecond
> > delay when powering on a device, i.e., transitioning from state D3hot to
> > D0.
> >
> > Apparently some devices require more time, and d1f9809ed131 ("drm/radeon:
> > add quirk for d3 delay during switcheroo poweron for apple macbooks") added
> > an additional delay for the Radeon device in a MacBook Pro. 4807c5a8a0c8
> > ("drm/radeon: add a PX quirk list") made the affected device more explicit.
> >
> > Add a generic PCI quirk to increase the d3_delay. This means we will use
> > the additional delay for *all* wakeups from D3, not just those initiated by
> > radeon_switcheroo_set_state().
> >
> > Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
> > CC: Maarten Lankhorst <maarten.lankhorst@canonical.com>
> > ---
> > drivers/gpu/drm/radeon/radeon_device.c | 12 ------------
> > drivers/pci/quirks.c | 13 +++++++++++++
> > 2 files changed, 13 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
> > index 8a1df2a1afbd..8b8fd981cae5 100644
> > --- a/drivers/gpu/drm/radeon/radeon_device.c
> > +++ b/drivers/gpu/drm/radeon/radeon_device.c
> > @@ -113,7 +113,6 @@ static inline bool radeon_is_atpx_hybrid(void) { return false; }
> > #endif
> >
> > #define RADEON_PX_QUIRK_DISABLE_PX (1 << 0)
> > -#define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1)
> >
> > struct radeon_px_quirk {
> > u32 chip_vendor;
> > @@ -136,9 +135,6 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = {
> > * https://bugzilla.kernel.org/show_bug.cgi?id=51381
> > */
> > { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX },
> > - /* macbook pro 8.2 */
> > - { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2, RADEON_PX_QUIRK_LONG_WAKEUP },
>
> Do you intentionally removed the following line?
> > - { 0, 0, 0, 0, 0 },
Ooh, definitely not! Thanks for catching this. I'll post a v2 that fixes
this.
Bjorn
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