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SubjectRe: [PATCH 08/83] drm/radeon: Add calls to initialize and finalize kfd from radeon
On Fri, Jul 11, 2014 at 12:50:08AM +0300, Oded Gabbay wrote:
> The KFD driver should be loaded when the radeon driver is loaded and
> should be finalized when the radeon driver is removed.
>
> This patch adds a function call to initialize kfd from radeon_init
> and a function call to finalize kfd from radeon_exit.
>
> If the KFD driver is not present in the system, the initialize call
> fails and the radeon driver continues normally.
>
> This patch also adds calls to probe, initialize and finalize a kfd device
> per radeon device using the kgd-->kfd interface.
>
> Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>

It might be nice to allow to build radeon without HSA so i think an
CONFIG_HSA should be added and have other thing depends on it.
Otherwise this one is.

Reviewed-by: Jérôme Glisse <jglisse@redhat.com>


> ---
> drivers/gpu/drm/radeon/radeon_drv.c | 6 ++++++
> drivers/gpu/drm/radeon/radeon_kms.c | 9 +++++++++
> 2 files changed, 15 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
> index cb14213..88a45a0 100644
> --- a/drivers/gpu/drm/radeon/radeon_drv.c
> +++ b/drivers/gpu/drm/radeon/radeon_drv.c
> @@ -151,6 +151,9 @@ static inline void radeon_register_atpx_handler(void) {}
> static inline void radeon_unregister_atpx_handler(void) {}
> #endif
>
> +extern bool radeon_kfd_init(void);
> +extern void radeon_kfd_fini(void);
> +
> int radeon_no_wb;
> int radeon_modeset = -1;
> int radeon_dynclks = -1;
> @@ -630,12 +633,15 @@ static int __init radeon_init(void)
> #endif
> }
>
> + radeon_kfd_init();
> +
> /* let modprobe override vga console setting */
> return drm_pci_init(driver, pdriver);
> }
>
> static void __exit radeon_exit(void)
> {
> + radeon_kfd_fini();
> drm_pci_exit(driver, pdriver);
> radeon_unregister_atpx_handler();
> }
> diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
> index 35d9318..0748284 100644
> --- a/drivers/gpu/drm/radeon/radeon_kms.c
> +++ b/drivers/gpu/drm/radeon/radeon_kms.c
> @@ -34,6 +34,10 @@
> #include <linux/slab.h>
> #include <linux/pm_runtime.h>
>
> +extern void radeon_kfd_device_probe(struct radeon_device *rdev);
> +extern void radeon_kfd_device_init(struct radeon_device *rdev);
> +extern void radeon_kfd_device_fini(struct radeon_device *rdev);
> +
> #if defined(CONFIG_VGA_SWITCHEROO)
> bool radeon_has_atpx(void);
> #else
> @@ -63,6 +67,8 @@ int radeon_driver_unload_kms(struct drm_device *dev)
>
> pm_runtime_get_sync(dev->dev);
>
> + radeon_kfd_device_fini(rdev);
> +
> radeon_acpi_fini(rdev);
>
> radeon_modeset_fini(rdev);
> @@ -142,6 +148,9 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
> "Error during ACPI methods call\n");
> }
>
> + radeon_kfd_device_probe(rdev);
> + radeon_kfd_device_init(rdev);
> +
> if (radeon_is_px(dev)) {
> pm_runtime_use_autosuspend(dev->dev);
> pm_runtime_set_autosuspend_delay(dev->dev, 5000);
> --
> 1.9.1
>
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