linux.git/drivers/char/agp, branch v6.5

parisc: Flush gatt writes and adjust gatt mask in parisc_agp_mask_memory()

2023-05-22T16:30:52+00:00

Flush caches after changing gatt entries and calculate entry according
to SBA requirements.

Signed-off-by: Helge Deller

char/agp: consolidate {alloc,free}_gatt_pages()

2023-02-13T21:13:12+00:00

There is a copy of alloc_gatt_pages() and free_gatt_pages in several
architectures in arch/$ARCH/include/asm/agp.h. All the copies do exactly
the same: alias alloc_gatt_pages() to __get_free_pages(GFP_KERNEL) and
alias free_gatt_pages() to free_pages().

Define alloc_gatt_pages() and free_gatt_pages() in drivers/char/agp/agp.h
and drop per-architecture definitions.

Signed-off-by: Mike Rapoport (IBM) 
Signed-off-by: Arnd Bergmann

agp/via: Update to DEFINE_SIMPLE_DEV_PM_OPS()

2022-10-26T16:25:56+00:00

As of 1a3c7bb08826 ("PM: core: Add new *_PM_OPS macros, deprecate old
ones"), SIMPLE_DEV_PM_OPS() is deprecated in favor of
DEFINE_SIMPLE_DEV_PM_OPS(), which has the advantage that the PM callbacks
don't need to be wrapped with #ifdef CONFIG_PM or tagged with
__maybe_unused.

Convert to DEFINE_SIMPLE_DEV_PM_OPS().  No functional change intended.

Link: https://lore.kernel.org/r/20221025203852.681822-9-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie

agp/sis: Update to DEFINE_SIMPLE_DEV_PM_OPS()

2022-10-26T16:25:52+00:00

As of 1a3c7bb08826 ("PM: core: Add new *_PM_OPS macros, deprecate old
ones"), SIMPLE_DEV_PM_OPS() is deprecated in favor of
DEFINE_SIMPLE_DEV_PM_OPS(), which has the advantage that the PM callbacks
don't need to be wrapped with #ifdef CONFIG_PM or tagged with
__maybe_unused.

Convert to DEFINE_SIMPLE_DEV_PM_OPS().  No functional change intended.

Link: https://lore.kernel.org/r/20221025203852.681822-8-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie

agp/amd64: Update to DEFINE_SIMPLE_DEV_PM_OPS()

2022-10-26T16:25:49+00:00

As of 1a3c7bb08826 ("PM: core: Add new *_PM_OPS macros, deprecate old
ones"), SIMPLE_DEV_PM_OPS() is deprecated in favor of
DEFINE_SIMPLE_DEV_PM_OPS(), which has the advantage that the PM callbacks
don't need to be wrapped with #ifdef CONFIG_PM or tagged with
__maybe_unused.

Convert to DEFINE_SIMPLE_DEV_PM_OPS().  No functional change intended.

Link: https://lore.kernel.org/r/20221025203852.681822-7-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie

agp/nvidia: Convert to generic power management

2022-10-26T16:25:38+00:00

Convert agpgart-nvidia from legacy PCI power management to the generic
power management framework.

Previously agpgart-nvidia used legacy PCI power management, and
agp_nvidia_suspend() and agp_nvidia_resume() were responsible for both
device-specific things and generic PCI things:

  agp_nvidia_suspend
    pci_save_state                         <-- generic PCI
    pci_set_power_state(PCI_D3hot)         <-- generic PCI

  agp_nvidia_resume
    pci_set_power_state(PCI_D0)            <-- generic PCI
    pci_restore_state                      <-- generic PCI
    nvidia_configure                       <-- device-specific

Convert to generic power management where the PCI bus PM methods do the
generic PCI things, and the driver needs only the device-specific part,
i.e.,

  suspend_devices_and_enter
    dpm_suspend_start(PMSG_SUSPEND)
      pci_pm_suspend                       # PCI bus .suspend() method
        agp_nvidia_suspend                 <-- not needed at all; removed
    suspend_enter
      dpm_suspend_noirq(PMSG_SUSPEND)
        pci_pm_suspend_noirq               # PCI bus .suspend_noirq() method
          pci_save_state                   <-- generic PCI
          pci_prepare_to_sleep             <-- generic PCI
            pci_set_power_state
    ...
    dpm_resume_end(PMSG_RESUME)
      pci_pm_resume                        # PCI bus .resume() method
        pci_restore_standard_config
          pci_set_power_state(PCI_D0)      <-- generic PCI
          pci_restore_state                <-- generic PCI
        agp_nvidia_resume                  # driver->pm->resume
          nvidia_configure                 <-- device-specific

Based on 0aeddbd0cb07 ("via-agp: convert to generic power management") by
Vaibhav Gupta .

Link: https://lore.kernel.org/r/20221025203852.681822-6-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie

agp/ati: Convert to generic power management

2022-10-26T16:25:33+00:00

Convert agpgart-ati from legacy PCI power management to the generic power
management framework.

Previously agpgart-ati used legacy PCI power management, and
agp_ati_suspend() and agp_ati_resume() were responsible for both
device-specific things and generic PCI things like saving and restoring
config space and managing power state:

  agp_ati_suspend
    pci_save_state                         <-- generic PCI
    pci_set_power_state(PCI_D3hot)         <-- generic PCI

  agp_ati_resume
    pci_set_power_state(PCI_D0)            <-- generic PCI
    pci_restore_state                      <-- generic PCI
    ati_configure                          <-- device-specific

With generic power management, the PCI bus PM methods do the generic PCI
things, and the driver needs only the device-specific part, i.e.,

  suspend_devices_and_enter
    dpm_suspend_start(PMSG_SUSPEND)
      pci_pm_suspend                       # PCI bus .suspend() method
        agp_ati_suspend                    <-- not needed at all; removed
    suspend_enter
      dpm_suspend_noirq(PMSG_SUSPEND)
        pci_pm_suspend_noirq               # PCI bus .suspend_noirq() method
          pci_save_state                   <-- generic PCI
          pci_prepare_to_sleep             <-- generic PCI
            pci_set_power_state
    ...
    dpm_resume_end(PMSG_RESUME)
      pci_pm_resume                        # PCI bus .resume() method
        pci_restore_standard_config
          pci_set_power_state(PCI_D0)      <-- generic PCI
          pci_restore_state                <-- generic PCI
        agp_ati_resume                     # driver->pm->resume
          ati_configure                    <-- device-specific

Based on 0aeddbd0cb07 ("via-agp: convert to generic power management") by
Vaibhav Gupta .

Link: https://lore.kernel.org/r/20221025203852.681822-5-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie

agp/amd-k7: Convert to generic power management

2022-10-26T16:25:28+00:00

Convert agpgart-amdk7 from legacy PCI power management to the generic power
management framework.

Previously agpgart-amdk7 used legacy PCI power management, and
agp_amdk7_suspend() and agp_amdk7_resume() were responsible for both
device-specific things and generic PCI things like saving and restoring
config space and managing power state:

  agp_amdk7_suspend
    pci_save_state                         <-- generic PCI
    pci_set_power_state                    <-- generic PCI

  agp_amdk7_resume
    pci_set_power_state(PCI_D0)            <-- generic PCI
    pci_restore_state                      <-- generic PCI
    amd_irongate_driver.configure          <-- device-specific

Convert to generic power management where the PCI bus PM methods do the
generic PCI things, and the driver needs only the device-specific part,
i.e.,

  suspend_devices_and_enter
    dpm_suspend_start(PMSG_SUSPEND)
      pci_pm_suspend                       # PCI bus .suspend() method
        agp_amdk7_suspend                  <-- not needed at all; removed
    suspend_enter
      dpm_suspend_noirq(PMSG_SUSPEND)
        pci_pm_suspend_noirq               # PCI bus .suspend_noirq() method
          pci_save_state                   <-- generic PCI
          pci_prepare_to_sleep             <-- generic PCI
            pci_set_power_state
    ...
    dpm_resume_end(PMSG_RESUME)
      pci_pm_resume                        # PCI bus .resume() method
        pci_restore_standard_config
          pci_set_power_state(PCI_D0)      <-- generic PCI
          pci_restore_state                <-- generic PCI
        agp_amdk7_resume                   # driver->pm->resume
          amd_irongate_driver.configure    <-- device-specific

Based on 0aeddbd0cb07 ("via-agp: convert to generic power management") by
Vaibhav Gupta .

Link: https://lore.kernel.org/r/20221025203852.681822-4-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie

agp/intel: Convert to generic power management

2022-10-26T16:25:22+00:00

Convert agpgart-intel from legacy PCI power management to the generic power
management framework.

Previously agpgart-intel used legacy PCI power management, and
agp_intel_resume() was responsible for both device-specific things and
generic PCI things like saving and restoring config space and managing
power state.

In this case, agp_intel_suspend() was empty, and agp_intel_resume()
already did only device-specific things, so simply convert it to take a
struct device * instead of a struct pci_dev *.

Based on 0aeddbd0cb07 ("via-agp: convert to generic power management") by
Vaibhav Gupta .

Link: https://lore.kernel.org/r/20221025203852.681822-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie

agp/efficeon: Convert to generic power management

2022-10-26T16:25:16+00:00

Convert agpgart-efficeon from legacy PCI power management to the generic
power management framework.

Previously agpgart-efficeon used legacy PCI power management, which means
agp_efficeon_suspend() and agp_efficeon_resume() were responsible for both
device-specific things and generic PCI things like saving and restoring
config space and managing power state.

In this case, agp_efficeon_suspend() was empty, and agp_efficeon_resume()
already did only device-specific things, so simply convert it to take a
struct device * instead of a struct pci_dev *.

Based on 0aeddbd0cb07 ("via-agp: convert to generic power management") by
Vaibhav Gupta .

Link: https://lore.kernel.org/r/20221025203852.681822-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas 
Acked-by: Dave Airlie