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Date: Thu, 3 Aug 2017 14:08:56 +0200
From: Christian König <christian.koenig@....com>
To: Cihangir Akturk <cakturk@...il.com>
Cc: Alex Deucher <alexander.deucher@....com>,
David Airlie <airlied@...ux.ie>, amd-gfx@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 20/29] drm/radeon: switch to drm_*{get,put} helpers
Am 03.08.2017 um 13:58 schrieb Cihangir Akturk:
> drm_*_reference() and drm_*_unreference() functions are just
> compatibility alias for drm_*_get() and drm_*_put() adn should not be
> used by new code. So convert all users of compatibility functions to use
> the new APIs.
>
> Signed-off-by: Cihangir Akturk <cakturk@...il.com>
Reviewed-by: Christian König <christian.koenig@....com>
> ---
> drivers/gpu/drm/radeon/radeon_cs.c | 2 +-
> drivers/gpu/drm/radeon/radeon_cursor.c | 6 +++---
> drivers/gpu/drm/radeon/radeon_display.c | 12 ++++++------
> drivers/gpu/drm/radeon/radeon_fb.c | 4 ++--
> drivers/gpu/drm/radeon/radeon_gem.c | 30 +++++++++++++++---------------
> drivers/gpu/drm/radeon/radeon_object.c | 2 +-
> 6 files changed, 28 insertions(+), 28 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
> index 00b22af..ea0db26 100644
> --- a/drivers/gpu/drm/radeon/radeon_cs.c
> +++ b/drivers/gpu/drm/radeon/radeon_cs.c
> @@ -437,7 +437,7 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bo
> if (bo == NULL)
> continue;
>
> - drm_gem_object_unreference_unlocked(&bo->gem_base);
> + drm_gem_object_put_unlocked(&bo->gem_base);
> }
> }
> kfree(parser->track);
> diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
> index 4a4f953..9195227 100644
> --- a/drivers/gpu/drm/radeon/radeon_cursor.c
> +++ b/drivers/gpu/drm/radeon/radeon_cursor.c
> @@ -307,7 +307,7 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
> robj = gem_to_radeon_bo(obj);
> ret = radeon_bo_reserve(robj, false);
> if (ret != 0) {
> - drm_gem_object_unreference_unlocked(obj);
> + drm_gem_object_put_unlocked(obj);
> return ret;
> }
> /* Only 27 bit offset for legacy cursor */
> @@ -317,7 +317,7 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
> radeon_bo_unreserve(robj);
> if (ret) {
> DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
> - drm_gem_object_unreference_unlocked(obj);
> + drm_gem_object_put_unlocked(obj);
> return ret;
> }
>
> @@ -352,7 +352,7 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
> radeon_bo_unpin(robj);
> radeon_bo_unreserve(robj);
> }
> - drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
> + drm_gem_object_put_unlocked(radeon_crtc->cursor_bo);
> }
>
> radeon_crtc->cursor_bo = obj;
> diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
> index 17d3daf..adbf28c 100644
> --- a/drivers/gpu/drm/radeon/radeon_display.c
> +++ b/drivers/gpu/drm/radeon/radeon_display.c
> @@ -282,7 +282,7 @@ static void radeon_unpin_work_func(struct work_struct *__work)
> } else
> DRM_ERROR("failed to reserve buffer after flip\n");
>
> - drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base);
> + drm_gem_object_put_unlocked(&work->old_rbo->gem_base);
> kfree(work);
> }
>
> @@ -519,7 +519,7 @@ static int radeon_crtc_page_flip_target(struct drm_crtc *crtc,
> obj = old_radeon_fb->obj;
>
> /* take a reference to the old object */
> - drm_gem_object_reference(obj);
> + drm_gem_object_get(obj);
> work->old_rbo = gem_to_radeon_bo(obj);
>
> new_radeon_fb = to_radeon_framebuffer(fb);
> @@ -618,7 +618,7 @@ static int radeon_crtc_page_flip_target(struct drm_crtc *crtc,
> radeon_bo_unreserve(new_rbo);
>
> cleanup:
> - drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base);
> + drm_gem_object_put_unlocked(&work->old_rbo->gem_base);
> dma_fence_put(work->fence);
> kfree(work);
> return r;
> @@ -1303,7 +1303,7 @@ static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
> {
> struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
>
> - drm_gem_object_unreference_unlocked(radeon_fb->obj);
> + drm_gem_object_put_unlocked(radeon_fb->obj);
> drm_framebuffer_cleanup(fb);
> kfree(radeon_fb);
> }
> @@ -1363,14 +1363,14 @@ radeon_user_framebuffer_create(struct drm_device *dev,
>
> radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
> if (radeon_fb == NULL) {
> - drm_gem_object_unreference_unlocked(obj);
> + drm_gem_object_put_unlocked(obj);
> return ERR_PTR(-ENOMEM);
> }
>
> ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
> if (ret) {
> kfree(radeon_fb);
> - drm_gem_object_unreference_unlocked(obj);
> + drm_gem_object_put_unlocked(obj);
> return ERR_PTR(ret);
> }
>
> diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
> index 356ad90..976d224 100644
> --- a/drivers/gpu/drm/radeon/radeon_fb.c
> +++ b/drivers/gpu/drm/radeon/radeon_fb.c
> @@ -118,7 +118,7 @@ static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
> radeon_bo_unpin(rbo);
> radeon_bo_unreserve(rbo);
> }
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> }
>
> static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
> @@ -300,7 +300,7 @@ static int radeonfb_create(struct drm_fb_helper *helper,
>
> }
> if (fb && ret) {
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> drm_framebuffer_unregister_private(fb);
> drm_framebuffer_cleanup(fb);
> kfree(fb);
> diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
> index 574bf7e..3386452 100644
> --- a/drivers/gpu/drm/radeon/radeon_gem.c
> +++ b/drivers/gpu/drm/radeon/radeon_gem.c
> @@ -271,7 +271,7 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
> }
> r = drm_gem_handle_create(filp, gobj, &handle);
> /* drop reference from allocate - handle holds it now */
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> if (r) {
> up_read(&rdev->exclusive_lock);
> r = radeon_gem_handle_lockup(rdev, r);
> @@ -352,7 +352,7 @@ int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data,
>
> r = drm_gem_handle_create(filp, gobj, &handle);
> /* drop reference from allocate - handle holds it now */
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> if (r)
> goto handle_lockup;
>
> @@ -361,7 +361,7 @@ int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data,
> return 0;
>
> release_object:
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
>
> handle_lockup:
> up_read(&rdev->exclusive_lock);
> @@ -395,7 +395,7 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
>
> r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
>
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> up_read(&rdev->exclusive_lock);
> r = radeon_gem_handle_lockup(robj->rdev, r);
> return r;
> @@ -414,11 +414,11 @@ int radeon_mode_dumb_mmap(struct drm_file *filp,
> }
> robj = gem_to_radeon_bo(gobj);
> if (radeon_ttm_tt_has_userptr(robj->tbo.ttm)) {
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return -EPERM;
> }
> *offset_p = radeon_bo_mmap_offset(robj);
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return 0;
> }
>
> @@ -453,7 +453,7 @@ int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
>
> cur_placement = ACCESS_ONCE(robj->tbo.mem.mem_type);
> args->domain = radeon_mem_type_to_domain(cur_placement);
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return r;
> }
>
> @@ -485,7 +485,7 @@ int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
> if (rdev->asic->mmio_hdp_flush &&
> radeon_mem_type_to_domain(cur_placement) == RADEON_GEM_DOMAIN_VRAM)
> robj->rdev->asic->mmio_hdp_flush(rdev);
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> r = radeon_gem_handle_lockup(rdev, r);
> return r;
> }
> @@ -504,7 +504,7 @@ int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
> return -ENOENT;
> robj = gem_to_radeon_bo(gobj);
> r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return r;
> }
>
> @@ -527,7 +527,7 @@ int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
> radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
> radeon_bo_unreserve(rbo);
> out:
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return r;
> }
>
> @@ -661,14 +661,14 @@ int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
> r = radeon_bo_reserve(rbo, false);
> if (r) {
> args->operation = RADEON_VA_RESULT_ERROR;
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return r;
> }
> bo_va = radeon_vm_bo_find(&fpriv->vm, rbo);
> if (!bo_va) {
> args->operation = RADEON_VA_RESULT_ERROR;
> radeon_bo_unreserve(rbo);
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return -ENOENT;
> }
>
> @@ -695,7 +695,7 @@ int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
> args->operation = RADEON_VA_RESULT_ERROR;
> }
> out:
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return r;
> }
>
> @@ -736,7 +736,7 @@ int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
>
> radeon_bo_unreserve(robj);
> out:
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> return r;
> }
>
> @@ -762,7 +762,7 @@ int radeon_mode_dumb_create(struct drm_file *file_priv,
>
> r = drm_gem_handle_create(file_priv, gobj, &handle);
> /* drop reference from allocate - handle holds it now */
> - drm_gem_object_unreference_unlocked(gobj);
> + drm_gem_object_put_unlocked(gobj);
> if (r) {
> return r;
> }
> diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
> index 8b72229..ad2a2fd 100644
> --- a/drivers/gpu/drm/radeon/radeon_object.c
> +++ b/drivers/gpu/drm/radeon/radeon_object.c
> @@ -445,7 +445,7 @@ void radeon_bo_force_delete(struct radeon_device *rdev)
> list_del_init(&bo->list);
> mutex_unlock(&bo->rdev->gem.mutex);
> /* this should unref the ttm bo */
> - drm_gem_object_unreference_unlocked(&bo->gem_base);
> + drm_gem_object_put_unlocked(&bo->gem_base);
> }
> }
>
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