Hi,
On 13/08/2020 11:36, Thomas Zimmermann wrote:
> GEM object functions deprecate several similar callback interfaces in
> struct drm_driver. This patch replaces the per-driver callbacks with
> per-instance callbacks in omapdrm.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> ---
> drivers/gpu/drm/omapdrm/omap_drv.c | 9 ---------
> drivers/gpu/drm/omapdrm/omap_gem.c | 16 +++++++++++++++-
> drivers/gpu/drm/omapdrm/omap_gem.h | 1 -
> 3 files changed, 15 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
> index 53d5e184ee77..2e598b8b72af 100644
> --- a/drivers/gpu/drm/omapdrm/omap_drv.c
> +++ b/drivers/gpu/drm/omapdrm/omap_drv.c
> @@ -521,12 +521,6 @@ static int dev_open(struct drm_device *dev, struct drm_file *file)
> return 0;
> }
>
> -static const struct vm_operations_struct omap_gem_vm_ops = {
> - .fault = omap_gem_fault,
> - .open = drm_gem_vm_open,
> - .close = drm_gem_vm_close,
> -};
> -
> static const struct file_operations omapdriver_fops = {
> .owner = THIS_MODULE,
> .open = drm_open,
> @@ -549,10 +543,7 @@ static struct drm_driver omap_drm_driver = {
> #endif
> .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
> .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> - .gem_prime_export = omap_gem_prime_export,
> .gem_prime_import = omap_gem_prime_import,
> - .gem_free_object_unlocked = omap_gem_free_object,
> - .gem_vm_ops = &omap_gem_vm_ops,
> .dumb_create = omap_gem_dumb_create,
> .dumb_map_offset = omap_gem_dumb_map_offset,
> .ioctls = ioctls,
> diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
> index d0d12d5dd76c..d68dc63dea0a 100644
> --- a/drivers/gpu/drm/omapdrm/omap_gem.c
> +++ b/drivers/gpu/drm/omapdrm/omap_gem.c
> @@ -487,7 +487,7 @@ static vm_fault_t omap_gem_fault_2d(struct drm_gem_object *obj,
> * vma->vm_private_data points to the GEM object that is backing this
> * mapping.
> */
> -vm_fault_t omap_gem_fault(struct vm_fault *vmf)
> +static vm_fault_t omap_gem_fault(struct vm_fault *vmf)
> {
> struct vm_area_struct *vma = vmf->vma;
> struct drm_gem_object *obj = vma->vm_private_data;
> @@ -1169,6 +1169,18 @@ static bool omap_gem_validate_flags(struct drm_device *dev, u32 flags)
> return true;
> }
>
> +static const struct vm_operations_struct omap_gem_vm_ops = {
> + .fault = omap_gem_fault,
> + .open = drm_gem_vm_open,
> + .close = drm_gem_vm_close,
> +};
> +
> +static const struct drm_gem_object_funcs omap_gem_object_funcs = {
> + .free = omap_gem_free_object,
> + .export = omap_gem_prime_export,
> + .vm_ops = &omap_gem_vm_ops,
> +};
> +
> /* GEM buffer object constructor */
> struct drm_gem_object *omap_gem_new(struct drm_device *dev,
> union omap_gem_size gsize, u32 flags)
> @@ -1236,6 +1248,8 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev,
> size = PAGE_ALIGN(gsize.bytes);
> }
>
> + obj->funcs = &omap_gem_object_funcs;
> +
> /* Initialize the GEM object. */
> if (!(flags & OMAP_BO_MEM_SHMEM)) {
> drm_gem_private_object_init(dev, obj, size);
> diff --git a/drivers/gpu/drm/omapdrm/omap_gem.h b/drivers/gpu/drm/omapdrm/omap_gem.h
> index 729b7812a815..9e6b5c8195d9 100644
> --- a/drivers/gpu/drm/omapdrm/omap_gem.h
> +++ b/drivers/gpu/drm/omapdrm/omap_gem.h
> @@ -69,7 +69,6 @@ struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags);
> struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
> struct dma_buf *buffer);
>
> -vm_fault_t omap_gem_fault(struct vm_fault *vmf);
> int omap_gem_roll(struct drm_gem_object *obj, u32 roll);
> void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
> void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
omap_gem_free_object() can also be made static, and removed from omap_gem.h.
Tested on AM5 EVM.
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Tomi
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