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drm/radeon: Use the ttm execbuf utilities 

Rather than re-implementing in the Radeon driver,
Use the execbuf / cs / pushbuf utilities that comes with TTM.
This comes with an even greater benefit now that many spinlocks have been
optimized away...

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thomas Hellstrom 2010-11-17 12:38:32 +00:00 committed by Dave Airlie
parent eba67093f5
commit 147666fb3b
4 changed files with 16 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/radeon/radeon.h
View File

@ -69,6 +69,7 @@
#include <ttm/ttm_bo_driver.h>
#include <ttm/ttm_placement.h>
#include <ttm/ttm_module.h>
#include <ttm/ttm_execbuf_util.h>
#include "radeon_family.h"
#include "radeon_mode.h"
@ -259,13 +260,12 @@ struct radeon_bo {
};
struct radeon_bo_list {
struct list_head list;
struct ttm_validate_buffer tv;
struct radeon_bo *bo;
uint64_t gpu_offset;
unsigned rdomain;
unsigned wdomain;
u32 tiling_flags;
bool reserved;
};
/*

17
drivers/gpu/drm/radeon/radeon_cs.c
View File

@ -77,13 +77,13 @@ int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
p->relocs_ptr[i] = &p->relocs[i];
p->relocs[i].robj = p->relocs[i].gobj->driver_private;
p->relocs[i].lobj.bo = p->relocs[i].robj;
p->relocs[i].lobj.rdomain = r->read_domains;
p->relocs[i].lobj.wdomain = r->write_domain;
p->relocs[i].lobj.rdomain = r->read_domains;
p->relocs[i].lobj.tv.bo = &p->relocs[i].robj->tbo;
p->relocs[i].handle = r->handle;
p->relocs[i].flags = r->flags;
INIT_LIST_HEAD(&p->relocs[i].lobj.list);
radeon_bo_list_add_object(&p->relocs[i].lobj,
&p->validated);
&p->validated);
}
}
return radeon_bo_list_validate(&p->validated);
@ -189,10 +189,13 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
{
unsigned i;
if (!error && parser->ib) {
radeon_bo_list_fence(&parser->validated, parser->ib->fence);
}
radeon_bo_list_unreserve(&parser->validated);
if (!error && parser->ib)
ttm_eu_fence_buffer_objects(&parser->validated,
parser->ib->fence);
else
ttm_eu_backoff_reservation(&parser->validated);
if (parser->relocs != NULL) {
for (i = 0; i < parser->nrelocs; i++) {
if (parser->relocs[i].gobj)

55
drivers/gpu/drm/radeon/radeon_object.c
View File

@ -293,34 +293,9 @@ void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
struct list_head *head)
{
if (lobj->wdomain) {
list_add(&lobj->list, head);
list_add(&lobj->tv.head, head);
} else {
list_add_tail(&lobj->list, head);
}
}
int radeon_bo_list_reserve(struct list_head *head)
{
struct radeon_bo_list *lobj;
int r;
list_for_each_entry(lobj, head, list){
r = radeon_bo_reserve(lobj->bo, false);
if (unlikely(r != 0))
return r;
lobj->reserved = true;
}
return 0;
}
void radeon_bo_list_unreserve(struct list_head *head)
{
struct radeon_bo_list *lobj;
list_for_each_entry(lobj, head, list) {
/* only unreserve object we successfully reserved */
if (lobj->reserved && radeon_bo_is_reserved(lobj->bo))
radeon_bo_unreserve(lobj->bo);
list_add_tail(&lobj->tv.head, head);
}
}
@ -331,14 +306,11 @@ int radeon_bo_list_validate(struct list_head *head)
u32 domain;
int r;
list_for_each_entry(lobj, head, list) {
lobj->reserved = false;
}
r = radeon_bo_list_reserve(head);
r = ttm_eu_reserve_buffers(head);
if (unlikely(r != 0)) {
return r;
}
list_for_each_entry(lobj, head, list) {
list_for_each_entry(lobj, head, tv.head) {
bo = lobj->bo;
if (!bo->pin_count) {
domain = lobj->wdomain ? lobj->wdomain : lobj->rdomain;
@ -361,25 +333,6 @@ int radeon_bo_list_validate(struct list_head *head)
return 0;
}
void radeon_bo_list_fence(struct list_head *head, void *fence)
{
struct radeon_bo_list *lobj;
struct radeon_bo *bo;
struct radeon_fence *old_fence = NULL;
list_for_each_entry(lobj, head, list) {
bo = lobj->bo;
spin_lock(&bo->tbo.bdev->fence_lock);
old_fence = (struct radeon_fence *)bo->tbo.sync_obj;
bo->tbo.sync_obj = radeon_fence_ref(fence);
bo->tbo.sync_obj_arg = NULL;
spin_unlock(&bo->tbo.bdev->fence_lock);
if (old_fence) {
radeon_fence_unref(&old_fence);
}
}
}
int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
struct vm_area_struct *vma)
{

3
drivers/gpu/drm/radeon/radeon_object.h
View File

@ -152,10 +152,7 @@ extern int radeon_bo_init(struct radeon_device *rdev);
extern void radeon_bo_fini(struct radeon_device *rdev);
extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
struct list_head *head);
extern int radeon_bo_list_reserve(struct list_head *head);
extern void radeon_bo_list_unreserve(struct list_head *head);
extern int radeon_bo_list_validate(struct list_head *head);
extern void radeon_bo_list_fence(struct list_head *head, void *fence);
extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
struct vm_area_struct *vma);
extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,