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drm/v3d: Use the new shmem helpers to reduce driver boilerplate.

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The new shmem helpers from Noralf and Rob abstract out a bunch of our
BO creation and mapping code.

v2: Use the new sgt getter, and flag pages as dirty before freeing.
v3: Remove the mismatched put_pages.

Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190314163451.13431-1-eric@anholt.net
Reviewed-by: Rob Herring <robh@kernel.org> (v2)
This commit is contained in:
Eric Anholt
2019-03-14 09:34:51 -07:00
parent 2194a63a81
commit 40609d4820
7 changed files with 119 additions and 273 deletions
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14
drivers/gpu/drm/v3d/v3d_drv.h
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@@ -5,6 +5,7 @@
#include <drm/drmP.h>
#include <drm/drm_encoder.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/gpu_scheduler.h>
#include "uapi/drm/v3d_drm.h"
@@ -111,16 +112,10 @@ struct v3d_file_priv {
};
struct v3d_bo {
struct drm_gem_object base;
struct mutex lock;
struct drm_gem_shmem_object base;
struct drm_mm_node node;
u32 pages_refcount;
struct page **pages;
struct sg_table *sgt;
/* List entry for the BO's position in
* v3d_exec_info->unref_list
*/
@@ -258,6 +253,7 @@ static inline unsigned long nsecs_to_jiffies_timeout(const u64 n)
}
/* v3d_bo.c */
struct drm_gem_object *v3d_create_object(struct drm_device *dev, size_t size);
void v3d_free_object(struct drm_gem_object *gem_obj);
struct v3d_bo *v3d_bo_create(struct drm_device *dev, struct drm_file *file_priv,
size_t size);
@@ -267,10 +263,6 @@ int v3d_mmap_bo_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int v3d_get_bo_offset_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
vm_fault_t v3d_gem_fault(struct vm_fault *vmf);
int v3d_mmap(struct file *filp, struct vm_area_struct *vma);
int v3d_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
struct sg_table *v3d_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *v3d_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sgt);