[PATCH v7 2/6] drm/i915: Unregister in-kernel clients

[Rodrigo Vivi]

On Fri, Mar 01, 2024 at 02:42:55PM +0100, Thomas Zimmermann wrote:
> Unregister all in-kernel clients before unloading the i915 driver. For
> other drivers, drm_dev_unregister() does this automatically. As i915
> does not use this helper, it has to perform the call by itself. For xe,
> do the same in xe_device_remove()
> 
> Note that there are currently no in-kernel clients in i915 or xe. The
> patch prepares the drivers for a related update of their fbdev support.
> 
> v7:
> 	* update xe driver
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/i915/i915_driver.c | 3 +++
>  drivers/gpu/drm/xe/xe_device.c     | 3 +++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
> index 9ee902d5b72c4..97910a85e3917 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -41,6 +41,7 @@
>  
>  #include <drm/drm_aperture.h>
>  #include <drm/drm_atomic_helper.h>
> +#include <drm/drm_client.h>
>  #include <drm/drm_ioctl.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_probe_helper.h>
> @@ -852,6 +853,8 @@ void i915_driver_remove(struct drm_i915_private *i915)
>  {
>  	intel_wakeref_t wakeref;
>  
> +	drm_client_dev_unregister(&i915->drm);
> +
>  	wakeref = intel_runtime_pm_get(&i915->runtime_pm);
>  
>  	i915_driver_unregister(i915);
> diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
> index 919ad88f0495a..7f41f0ec819f0 100644
> --- a/drivers/gpu/drm/xe/xe_device.c
> +++ b/drivers/gpu/drm/xe/xe_device.c

probably deserves a separate patch since this is one here is named 'drm/i915:'

> @@ -9,6 +9,7 @@
>  
>  #include <drm/drm_aperture.h>
>  #include <drm/drm_atomic_helper.h>
> +#include <drm/drm_client.h>
>  #include <drm/drm_gem_ttm_helper.h>
>  #include <drm/drm_ioctl.h>
>  #include <drm/drm_managed.h>
> @@ -614,6 +615,8 @@ void xe_device_remove(struct xe_device *xe)
>  	struct xe_gt *gt;
>  	u8 id;
>  
> +	drm_client_dev_unregister(&xe->drm);
> +
>  	xe_device_remove_display(xe);
>  
>  	xe_display_fini(xe);
> -- 
> 2.43.2
>