[PATCH 7/9] drm/radeon: switch over to drm_exec
Christian König
ckoenig.leichtzumerken at gmail.com
Tue Feb 28 08:34:04 UTC 2023
Just a straightforward conversion without any optimization.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/radeon/radeon.h | 7 ++--
drivers/gpu/drm/radeon/radeon_cs.c | 45 +++++++++++++-------------
drivers/gpu/drm/radeon/radeon_gem.c | 40 +++++++++++++----------
drivers/gpu/drm/radeon/radeon_object.c | 25 +++++++-------
drivers/gpu/drm/radeon/radeon_object.h | 2 +-
drivers/gpu/drm/radeon/radeon_vm.c | 10 +++---
6 files changed, 66 insertions(+), 63 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 57e20780a458..c67b537170e7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -75,8 +75,8 @@
#include <drm/ttm/ttm_bo.h>
#include <drm/ttm/ttm_placement.h>
-#include <drm/ttm/ttm_execbuf_util.h>
+#include <drm/drm_exec.h>
#include <drm/drm_gem.h>
#include <drm/drm_audio_component.h>
@@ -457,7 +457,8 @@ struct radeon_mman {
struct radeon_bo_list {
struct radeon_bo *robj;
- struct ttm_validate_buffer tv;
+ struct list_head list;
+ bool shared;
uint64_t gpu_offset;
unsigned preferred_domains;
unsigned allowed_domains;
@@ -1068,6 +1069,7 @@ struct radeon_cs_parser {
struct radeon_bo_list *vm_bos;
struct list_head validated;
unsigned dma_reloc_idx;
+ struct drm_exec exec;
/* indices of various chunks */
struct radeon_cs_chunk *chunk_ib;
struct radeon_cs_chunk *chunk_relocs;
@@ -1081,7 +1083,6 @@ struct radeon_cs_parser {
u32 cs_flags;
u32 ring;
s32 priority;
- struct ww_acquire_ctx ticket;
};
static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 46a27ebf4588..5c681a44cec7 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -182,11 +182,8 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
}
}
- p->relocs[i].tv.bo = &p->relocs[i].robj->tbo;
- p->relocs[i].tv.num_shared = !r->write_domain;
-
- radeon_cs_buckets_add(&buckets, &p->relocs[i].tv.head,
- priority);
+ p->relocs[i].shared = !r->write_domain;
+ radeon_cs_buckets_add(&buckets, &p->relocs[i].list, priority);
}
radeon_cs_buckets_get_list(&buckets, &p->validated);
@@ -197,7 +194,7 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
if (need_mmap_lock)
mmap_read_lock(current->mm);
- r = radeon_bo_list_validate(p->rdev, &p->ticket, &p->validated, p->ring);
+ r = radeon_bo_list_validate(p->rdev, &p->exec, &p->validated, p->ring);
if (need_mmap_lock)
mmap_read_unlock(current->mm);
@@ -253,12 +250,11 @@ static int radeon_cs_sync_rings(struct radeon_cs_parser *p)
struct radeon_bo_list *reloc;
int r;
- list_for_each_entry(reloc, &p->validated, tv.head) {
+ list_for_each_entry(reloc, &p->validated, list) {
struct dma_resv *resv;
resv = reloc->robj->tbo.base.resv;
- r = radeon_sync_resv(p->rdev, &p->ib.sync, resv,
- reloc->tv.num_shared);
+ r = radeon_sync_resv(p->rdev, &p->ib.sync, resv, reloc->shared);
if (r)
return r;
}
@@ -275,6 +271,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
s32 priority = 0;
INIT_LIST_HEAD(&p->validated);
+ drm_exec_init(&p->exec, true);
if (!cs->num_chunks) {
return 0;
@@ -396,8 +393,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
static int cmp_size_smaller_first(void *priv, const struct list_head *a,
const struct list_head *b)
{
- struct radeon_bo_list *la = list_entry(a, struct radeon_bo_list, tv.head);
- struct radeon_bo_list *lb = list_entry(b, struct radeon_bo_list, tv.head);
+ struct radeon_bo_list *la = list_entry(a, struct radeon_bo_list, list);
+ struct radeon_bo_list *lb = list_entry(b, struct radeon_bo_list, list);
/* Sort A before B if A is smaller. */
if (la->robj->tbo.base.size > lb->robj->tbo.base.size)
@@ -416,11 +413,13 @@ static int cmp_size_smaller_first(void *priv, const struct list_head *a,
* If error is set than unvalidate buffer, otherwise just free memory
* used by parsing context.
**/
-static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bool backoff)
+static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
{
unsigned i;
if (!error) {
+ struct radeon_bo_list *reloc;
+
/* Sort the buffer list from the smallest to largest buffer,
* which affects the order of buffers in the LRU list.
* This assures that the smallest buffers are added first
@@ -432,15 +431,17 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bo
* per frame under memory pressure.
*/
list_sort(NULL, &parser->validated, cmp_size_smaller_first);
-
- ttm_eu_fence_buffer_objects(&parser->ticket,
- &parser->validated,
- &parser->ib.fence->base);
- } else if (backoff) {
- ttm_eu_backoff_reservation(&parser->ticket,
- &parser->validated);
+ list_for_each_entry(reloc, &parser->validated, list) {
+ dma_resv_add_fence(reloc->robj->tbo.base.resv,
+ &parser->ib.fence->base,
+ reloc->shared ?
+ DMA_RESV_USAGE_READ :
+ DMA_RESV_USAGE_WRITE);
+ }
}
+ drm_exec_fini(&parser->exec);
+
if (parser->relocs != NULL) {
for (i = 0; i < parser->nrelocs; i++) {
struct radeon_bo *bo = parser->relocs[i].robj;
@@ -692,7 +693,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
- radeon_cs_parser_fini(&parser, r, false);
+ radeon_cs_parser_fini(&parser, r);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
@@ -706,7 +707,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
}
if (r) {
- radeon_cs_parser_fini(&parser, r, false);
+ radeon_cs_parser_fini(&parser, r);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
@@ -723,7 +724,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
goto out;
}
out:
- radeon_cs_parser_fini(&parser, r, true);
+ radeon_cs_parser_fini(&parser, r);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 261fcbae88d7..c67b69b3e4d2 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -625,33 +625,41 @@ int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
static void radeon_gem_va_update_vm(struct radeon_device *rdev,
struct radeon_bo_va *bo_va)
{
- struct ttm_validate_buffer tv, *entry;
- struct radeon_bo_list *vm_bos;
- struct ww_acquire_ctx ticket;
+ struct radeon_bo_list *vm_bos, *entry;
struct list_head list;
+ struct drm_exec exec;
unsigned domain;
int r;
INIT_LIST_HEAD(&list);
- tv.bo = &bo_va->bo->tbo;
- tv.num_shared = 1;
- list_add(&tv.head, &list);
-
vm_bos = radeon_vm_get_bos(rdev, bo_va->vm, &list);
if (!vm_bos)
return;
- r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
- if (r)
- goto error_free;
+ drm_exec_init(&exec, true);
+ drm_exec_while_not_all_locked(&exec) {
+ list_for_each_entry(entry, &list, list) {
+ r = drm_exec_prepare_obj(&exec, &entry->robj->tbo.base,
+ 1);
+ drm_exec_break_on_contention(&exec);
+ if (unlikely(r))
+ goto error_cleanup;
+ }
+ drm_exec_continue_on_contention(&exec);
- list_for_each_entry(entry, &list, head) {
- domain = radeon_mem_type_to_domain(entry->bo->resource->mem_type);
+ r = drm_exec_prepare_obj(&exec, &bo_va->bo->tbo.base, 1);
+ drm_exec_continue_on_contention(&exec);
+ if (unlikely(r))
+ goto error_cleanup;
+ }
+
+ list_for_each_entry(entry, &list, list) {
+ domain = radeon_mem_type_to_domain(entry->robj->tbo.resource->mem_type);
/* if anything is swapped out don't swap it in here,
just abort and wait for the next CS */
if (domain == RADEON_GEM_DOMAIN_CPU)
- goto error_unreserve;
+ goto error_cleanup;
}
mutex_lock(&bo_va->vm->mutex);
@@ -665,10 +673,8 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev,
error_unlock:
mutex_unlock(&bo_va->vm->mutex);
-error_unreserve:
- ttm_eu_backoff_reservation(&ticket, &list);
-
-error_free:
+error_cleanup:
+ drm_exec_fini(&exec);
kvfree(vm_bos);
if (r && r != -ERESTARTSYS)
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 10c0fbd9d2b4..508a6e9a2dca 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -468,23 +468,26 @@ static u64 radeon_bo_get_threshold_for_moves(struct radeon_device *rdev)
}
int radeon_bo_list_validate(struct radeon_device *rdev,
- struct ww_acquire_ctx *ticket,
+ struct drm_exec *exec,
struct list_head *head, int ring)
{
struct ttm_operation_ctx ctx = { true, false };
struct radeon_bo_list *lobj;
- struct list_head duplicates;
- int r;
u64 bytes_moved = 0, initial_bytes_moved;
u64 bytes_moved_threshold = radeon_bo_get_threshold_for_moves(rdev);
+ int r;
- INIT_LIST_HEAD(&duplicates);
- r = ttm_eu_reserve_buffers(ticket, head, true, &duplicates);
- if (unlikely(r != 0)) {
- return r;
+ drm_exec_while_not_all_locked(exec) {
+ list_for_each_entry(lobj, head, list) {
+ r = drm_exec_prepare_obj(exec, &lobj->robj->tbo.base,
+ 1);
+ drm_exec_break_on_contention(exec);
+ if (unlikely(r && r != -EALREADY))
+ return r;
+ }
}
- list_for_each_entry(lobj, head, tv.head) {
+ list_for_each_entry(lobj, head, list) {
struct radeon_bo *bo = lobj->robj;
if (!bo->tbo.pin_count) {
u32 domain = lobj->preferred_domains;
@@ -523,7 +526,6 @@ int radeon_bo_list_validate(struct radeon_device *rdev,
domain = lobj->allowed_domains;
goto retry;
}
- ttm_eu_backoff_reservation(ticket, head);
return r;
}
}
@@ -531,11 +533,6 @@ int radeon_bo_list_validate(struct radeon_device *rdev,
lobj->tiling_flags = bo->tiling_flags;
}
- list_for_each_entry(lobj, &duplicates, tv.head) {
- lobj->gpu_offset = radeon_bo_gpu_offset(lobj->robj);
- lobj->tiling_flags = lobj->robj->tiling_flags;
- }
-
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index 0a6ef49e990a..04c7c17e8287 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -152,7 +152,7 @@ extern void radeon_bo_force_delete(struct radeon_device *rdev);
extern int radeon_bo_init(struct radeon_device *rdev);
extern void radeon_bo_fini(struct radeon_device *rdev);
extern int radeon_bo_list_validate(struct radeon_device *rdev,
- struct ww_acquire_ctx *ticket,
+ struct drm_exec *exec,
struct list_head *head, int ring);
extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
u32 tiling_flags, u32 pitch);
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index 987cabbf1318..647c4a07d92a 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -142,10 +142,9 @@ struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
list[0].robj = vm->page_directory;
list[0].preferred_domains = RADEON_GEM_DOMAIN_VRAM;
list[0].allowed_domains = RADEON_GEM_DOMAIN_VRAM;
- list[0].tv.bo = &vm->page_directory->tbo;
- list[0].tv.num_shared = 1;
+ list[0].shared = true;
list[0].tiling_flags = 0;
- list_add(&list[0].tv.head, head);
+ list_add(&list[0].list, head);
for (i = 0, idx = 1; i <= vm->max_pde_used; i++) {
if (!vm->page_tables[i].bo)
@@ -154,10 +153,9 @@ struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
list[idx].robj = vm->page_tables[i].bo;
list[idx].preferred_domains = RADEON_GEM_DOMAIN_VRAM;
list[idx].allowed_domains = RADEON_GEM_DOMAIN_VRAM;
- list[idx].tv.bo = &list[idx].robj->tbo;
- list[idx].tv.num_shared = 1;
+ list[idx].shared = true;
list[idx].tiling_flags = 0;
- list_add(&list[idx++].tv.head, head);
+ list_add(&list[idx++].list, head);
}
return list;
--
2.34.1
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