From: Thomas Zimmermann <tzimmermann@suse.de>
To: daniel@ffwll.ch, airlied@linux.ie, jiayang5@huawei.com,
butterflyhuangxx@gmail.com, mripard@kernel.org,
maarten.lankhorst@linux.intel.com
Cc: Thomas Zimmermann <tzimmermann@suse.de>, dri-devel@lists.freedesktop.org
Subject: [PATCH 2/3] drm/vram-helper: Integrate drm_gem_vram_init() into drm_gem_vram_create()
Date: Tue, 14 Jul 2020 10:32:37 +0200 [thread overview]
Message-ID: <20200714083238.28479-3-tzimmermann@suse.de> (raw)
In-Reply-To: <20200714083238.28479-1-tzimmermann@suse.de>
The drm_gem_vram_create() function is the only caller of the internal
helepr drm_gem_vram_init(). Streamline the code by putting all code into
the create function.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/drm_gem_vram_helper.c | 75 ++++++++++-----------------
1 file changed, 28 insertions(+), 47 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 8dfb7458a34b..af767d3da5da 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -175,51 +175,6 @@ static void drm_gem_vram_placement(struct drm_gem_vram_object *gbo,
}
}
-/*
- * Note that on error, drm_gem_vram_init will free the buffer object.
- */
-
-static int drm_gem_vram_init(struct drm_device *dev,
- struct drm_gem_vram_object *gbo,
- size_t size, unsigned long pg_align)
-{
- struct drm_vram_mm *vmm = dev->vram_mm;
- struct ttm_bo_device *bdev;
- int ret;
- size_t acc_size;
-
- if (WARN_ONCE(!vmm, "VRAM MM not initialized")) {
- kfree(gbo);
- return -EINVAL;
- }
- bdev = &vmm->bdev;
-
- gbo->bo.base.funcs = &drm_gem_vram_object_funcs;
-
- ret = drm_gem_object_init(dev, &gbo->bo.base, size);
- if (ret) {
- kfree(gbo);
- return ret;
- }
-
- acc_size = ttm_bo_dma_acc_size(bdev, size, sizeof(*gbo));
-
- gbo->bo.bdev = bdev;
- drm_gem_vram_placement(gbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
-
- ret = ttm_bo_init(bdev, &gbo->bo, size, ttm_bo_type_device,
- &gbo->placement, pg_align, false, acc_size,
- NULL, NULL, ttm_buffer_object_destroy);
- if (ret)
- /*
- * A failing ttm_bo_init will call ttm_buffer_object_destroy
- * to release gbo->bo.base and kfree gbo.
- */
- return ret;
-
- return 0;
-}
-
/**
* drm_gem_vram_create() - Creates a VRAM-backed GEM object
* @dev: the DRM device
@@ -235,7 +190,13 @@ struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
unsigned long pg_align)
{
struct drm_gem_vram_object *gbo;
+ struct drm_vram_mm *vmm = dev->vram_mm;
+ struct ttm_bo_device *bdev;
int ret;
+ size_t acc_size;
+
+ if (WARN_ONCE(!vmm, "VRAM MM not initialized"))
+ return ERR_PTR(-EINVAL);
if (dev->driver->gem_create_object) {
struct drm_gem_object *gem =
@@ -249,8 +210,28 @@ struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
return ERR_PTR(-ENOMEM);
}
- ret = drm_gem_vram_init(dev, gbo, size, pg_align);
- if (ret < 0)
+ gbo->bo.base.funcs = &drm_gem_vram_object_funcs;
+
+ ret = drm_gem_object_init(dev, &gbo->bo.base, size);
+ if (ret) {
+ kfree(gbo);
+ return ERR_PTR(ret);
+ }
+
+ bdev = &vmm->bdev;
+ acc_size = ttm_bo_dma_acc_size(bdev, size, sizeof(*gbo));
+
+ gbo->bo.bdev = bdev;
+ drm_gem_vram_placement(gbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
+
+ /*
+ * A failing ttm_bo_init will call ttm_buffer_object_destroy
+ * to release gbo->bo.base and kfree gbo.
+ */
+ ret = ttm_bo_init(bdev, &gbo->bo, size, ttm_bo_type_device,
+ &gbo->placement, pg_align, false, acc_size,
+ NULL, NULL, ttm_buffer_object_destroy);
+ if (ret)
return ERR_PTR(ret);
return gbo;
--
2.27.0
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next prev parent reply other threads:[~2020-07-14 8:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-14 8:32 [PATCH 0/3] drm/vram-helper: Update GEM VRAM object creation Thomas Zimmermann
2020-07-14 8:32 ` [PATCH 1/3] drm: fix double free for gbo in drm_gem_vram_init and drm_gem_vram_create Thomas Zimmermann
2020-07-14 8:32 ` Thomas Zimmermann [this message]
2020-07-16 20:04 ` [PATCH 2/3] drm/vram-helper: Integrate drm_gem_vram_init() into drm_gem_vram_create() Sam Ravnborg
2020-07-14 8:32 ` [PATCH 3/3] drm/vram-helper: Set object function iff they are not provided by driver Thomas Zimmermann
2020-07-16 20:11 ` Sam Ravnborg
2020-07-17 6:26 ` Thomas Zimmermann
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