drm/etnaviv: Introduce GEM object functions

GEM object functions deprecate several similar callback interfaces in
struct drm_driver. This patch replaces the per-driver callbacks with
per-instance callbacks in etnaviv. The only exception is gem_prime_mmap,
which is non-trivial to convert.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200923102159.24084-4-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index a9a3afa..aa270b7 100644 (file)
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -468,12 +468,6 @@ static const struct drm_ioctl_desc etnaviv_ioctls[] = {
        ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW),
 };
 
-static const struct vm_operations_struct vm_ops = {
-       .fault = etnaviv_gem_fault,
-       .open = drm_gem_vm_open,
-       .close = drm_gem_vm_close,
-};
-
 static const struct file_operations fops = {
        .owner              = THIS_MODULE,
        .open               = drm_open,
@@ -490,16 +484,9 @@ static struct drm_driver etnaviv_drm_driver = {
        .driver_features    = DRIVER_GEM | DRIVER_RENDER,
        .open               = etnaviv_open,
        .postclose           = etnaviv_postclose,
-       .gem_free_object_unlocked = etnaviv_gem_free_object,
-       .gem_vm_ops         = &vm_ops,
        .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
        .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
-       .gem_prime_pin      = etnaviv_gem_prime_pin,
-       .gem_prime_unpin    = etnaviv_gem_prime_unpin,
-       .gem_prime_get_sg_table = etnaviv_gem_prime_get_sg_table,
        .gem_prime_import_sg_table = etnaviv_gem_prime_import_sg_table,
-       .gem_prime_vmap     = etnaviv_gem_prime_vmap,
-       .gem_prime_vunmap   = etnaviv_gem_prime_vunmap,
        .gem_prime_mmap     = etnaviv_gem_prime_mmap,
 #ifdef CONFIG_DEBUG_FS
        .debugfs_init       = etnaviv_debugfs_init,

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
index 4d8dc92..914f086 100644 (file)
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
@@ -49,7 +49,6 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
                struct drm_file *file);
 
 int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma);
-vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf);
 int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset);
 struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj);
 void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj);

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index ea19f1d..312e9d5 100644 (file)
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -171,7 +171,7 @@ int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma)
        return obj->ops->mmap(obj, vma);
 }
 
-vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf)
+static vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf)
 {
        struct vm_area_struct *vma = vmf->vma;
        struct drm_gem_object *obj = vma->vm_private_data;
@@ -561,6 +561,22 @@ void etnaviv_gem_obj_add(struct drm_device *dev, struct drm_gem_object *obj)
        mutex_unlock(&priv->gem_lock);
 }
 
+static const struct vm_operations_struct vm_ops = {
+       .fault = etnaviv_gem_fault,
+       .open = drm_gem_vm_open,
+       .close = drm_gem_vm_close,
+};
+
+static const struct drm_gem_object_funcs etnaviv_gem_object_funcs = {
+       .free = etnaviv_gem_free_object,
+       .pin = etnaviv_gem_prime_pin,
+       .unpin = etnaviv_gem_prime_unpin,
+       .get_sg_table = etnaviv_gem_prime_get_sg_table,
+       .vmap = etnaviv_gem_prime_vmap,
+       .vunmap = etnaviv_gem_prime_vunmap,
+       .vm_ops = &vm_ops,
+};
+
 static int etnaviv_gem_new_impl(struct drm_device *dev, u32 size, u32 flags,
        const struct etnaviv_gem_ops *ops, struct drm_gem_object **obj)
 {
@@ -595,6 +611,7 @@ static int etnaviv_gem_new_impl(struct drm_device *dev, u32 size, u32 flags,
        INIT_LIST_HEAD(&etnaviv_obj->vram_list);
 
        *obj = &etnaviv_obj->base;
+       (*obj)->funcs = &etnaviv_gem_object_funcs;
 
        return 0;
 }