[PATCH v2 05/21] drm/gma500: Introduce GEM object functions

Thomas Zimmermann
2020-09-15T23:01:27Z

GEM object functions deprecate several similar callback interfaces in
struct drm_driver. This patch replaces the per-driver callbacks with
per-instance callbacks in gma500.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/gma500/framebuffer.c | 2 ++
drivers/gpu/drm/gma500/gem.c | 18 ++++++++++++++++--
drivers/gpu/drm/gma500/gem.h | 3 +++
drivers/gpu/drm/gma500/psb_drv.c | 9 ---------
drivers/gpu/drm/gma500/psb_drv.h | 2 --
5 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 54d9876b5305..5ede24fb44ae 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -24,6 +24,7 @@
#include <drm/drm_gem_framebuffer_helper.h>

#include "framebuffer.h"
+#include "gem.h"
#include "gtt.h"
#include "psb_drv.h"
#include "psb_intel_drv.h"
@@ -285,6 +286,7 @@ static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size)
/* Begin by trying to use stolen memory backing */
backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE);
if (backing) {
+ backing->gem.funcs = &psb_gem_object_funcs;
drm_gem_private_object_init(dev, &backing->gem, aligned_size);
return backing;
}
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c
index f9c4b1d76f56..8f07de83b6fb 100644
--- a/drivers/gpu/drm/gma500/gem.c
+++ b/drivers/gpu/drm/gma500/gem.c
@@ -18,7 +18,9 @@

#include "psb_drv.h"

-void psb_gem_free_object(struct drm_gem_object *obj)
+static vm_fault_t psb_gem_fault(struct vm_fault *vmf);
+
+static void psb_gem_free_object(struct drm_gem_object *obj)
{
struct gtt_range *gtt = container_of(obj, struct gtt_range, gem);

@@ -36,6 +38,17 @@ int psb_gem_get_aperture(struct drm_device *dev, void *data,
return -EINVAL;
}

+static const struct vm_operations_struct psb_gem_vm_ops = {
+ .fault = psb_gem_fault,
+ .open = drm_gem_vm_open,
+ .close = drm_gem_vm_close,
+};
+
+const struct drm_gem_object_funcs psb_gem_object_funcs = {
+ .free = psb_gem_free_object,
+ .vm_ops = &psb_gem_vm_ops,
+};
+
/**
* psb_gem_create - create a mappable object
* @file: the DRM file of the client
@@ -63,6 +76,7 @@ int psb_gem_create(struct drm_file *file, struct drm_device *dev, u64 size,
dev_err(dev->dev, "no memory for %lld byte GEM object\n", size);
return -ENOSPC;
}
+ r->gem.funcs = &psb_gem_object_funcs;
/* Initialize the extra goodies GEM needs to do all the hard work */
if (drm_gem_object_init(dev, &r->gem, size) != 0) {
psb_gtt_free_range(dev, r);
@@ -123,7 +137,7 @@ int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
* vma->vm_private_data points to the GEM object that is backing this
* mapping.
*/
-vm_fault_t psb_gem_fault(struct vm_fault *vmf)
+static vm_fault_t psb_gem_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct drm_gem_object *obj;
diff --git a/drivers/gpu/drm/gma500/gem.h b/drivers/gpu/drm/gma500/gem.h
index 4a74dc623b6b..3741a711b9fd 100644
--- a/drivers/gpu/drm/gma500/gem.h
+++ b/drivers/gpu/drm/gma500/gem.h
@@ -8,6 +8,9 @@
#ifndef _GEM_H
#define _GEM_H

+extern const struct drm_gem_object_funcs psb_gem_object_funcs;
+
extern int psb_gem_create(struct drm_file *file, struct drm_device *dev,
u64 size, u32 *handlep, int stolen, u32 align);
+
#endif
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 34b4aae9a15e..b13376a6fb91 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -480,12 +480,6 @@ static const struct dev_pm_ops psb_pm_ops = {
.runtime_idle = psb_runtime_idle,
};

-static const struct vm_operations_struct psb_gem_vm_ops = {
- .fault = psb_gem_fault,
- .open = drm_gem_vm_open,
- .close = drm_gem_vm_close,
-};
-
static const struct file_operations psb_gem_fops = {
.owner = THIS_MODULE,
.open = drm_open,
@@ -507,9 +501,6 @@ static struct drm_driver driver = {
.irq_uninstall = psb_irq_uninstall,
.irq_handler = psb_irq_handler,

- .gem_free_object_unlocked = psb_gem_free_object,
- .gem_vm_ops = &psb_gem_vm_ops,
-
.dumb_create = psb_gem_dumb_create,
.ioctls = psb_ioctls,
.fops = &psb_gem_fops,
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
index 956926341316..c71a5a4e912c 100644
--- a/drivers/gpu/drm/gma500/psb_drv.h
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -735,12 +735,10 @@ extern const struct drm_connector_helper_funcs
extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;

/* gem.c */
-extern void psb_gem_free_object(struct drm_gem_object *obj);
extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
struct drm_file *file);
extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
struct drm_mode_create_dumb *args);
-extern vm_fault_t psb_gem_fault(struct vm_fault *vmf);

/* psb_device.c */
extern const struct psb_ops psb_chip_ops;
--
2.28.0