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drm/lima: use drm_gem_shmem_helpers

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Do not need to maintain our own shmem memory management
code as drm_gem_shmem_helpers provides it. And we can
also benifit from the work of others with shared code.

This is also a preparation for implementing buffer madv.

Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010140152.17747-2-yuq825@gmail.com
This commit is contained in:
Qiang Yu
2019-10-10 22:01:50 +08:00
parent ce6eb0253c
commit d61dd248dd
12 changed files with 142 additions and 357 deletions
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22
drivers/gpu/drm/lima/lima_drv.c
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@@ -12,7 +12,6 @@
#include "lima_drv.h"
#include "lima_gem.h"
#include "lima_gem_prime.h"
#include "lima_vm.h"
int lima_sched_timeout_ms;
@@ -240,16 +239,7 @@ static const struct drm_ioctl_desc lima_drm_driver_ioctls[] = {
DRM_IOCTL_DEF_DRV(LIMA_CTX_FREE, lima_ioctl_ctx_free, DRM_RENDER_ALLOW),
};
static const struct file_operations lima_drm_driver_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = drm_compat_ioctl,
#endif
.mmap = lima_gem_mmap,
};
DEFINE_DRM_GEM_FOPS(lima_drm_driver_fops);
static struct drm_driver lima_drm_driver = {
.driver_features = DRIVER_RENDER | DRIVER_GEM | DRIVER_SYNCOBJ,
@@ -258,10 +248,6 @@ static struct drm_driver lima_drm_driver = {
.ioctls = lima_drm_driver_ioctls,
.num_ioctls = ARRAY_SIZE(lima_drm_driver_ioctls),
.fops = &lima_drm_driver_fops,
.gem_free_object_unlocked = lima_gem_free_object,
.gem_open_object = lima_gem_object_open,
.gem_close_object = lima_gem_object_close,
.gem_vm_ops = &lima_gem_vm_ops,
.name = "lima",
.desc = "lima DRM",
.date = "20190217",
@@ -269,11 +255,11 @@ static struct drm_driver lima_drm_driver = {
.minor = 0,
.patchlevel = 0,
.gem_create_object = lima_gem_create_object,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
.gem_prime_import_sg_table = lima_gem_prime_import_sg_table,
.gem_prime_import_sg_table = drm_gem_shmem_prime_import_sg_table,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.gem_prime_get_sg_table = lima_gem_prime_get_sg_table,
.gem_prime_mmap = lima_gem_prime_mmap,
.gem_prime_mmap = drm_gem_prime_mmap,
};
static int lima_pdev_probe(struct platform_device *pdev)