drm/ttm: make ttm reservation calls behave like reservation calls
This commit converts the source of the val_seq counter to
the ww_mutex api. The reservation objects are converted later,
because there is still a lockdep splat in nouveau that has to
resolved first.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 4f6b22b..13a130f 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -106,7 +106,7 @@
radeon_bo_list_add_object(&p->relocs[i].lobj,
&p->validated);
}
- return radeon_bo_list_validate(&p->validated, p->ring);
+ return radeon_bo_list_validate(&p->ticket, &p->validated, p->ring);
}
static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority)
@@ -314,15 +314,17 @@
* 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)
+static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bool backoff)
{
unsigned i;
if (!error) {
- ttm_eu_fence_buffer_objects(&parser->validated,
+ ttm_eu_fence_buffer_objects(&parser->ticket,
+ &parser->validated,
parser->ib.fence);
- } else {
- ttm_eu_backoff_reservation(&parser->validated);
+ } else if (backoff) {
+ ttm_eu_backoff_reservation(&parser->ticket,
+ &parser->validated);
}
if (parser->relocs != NULL) {
@@ -535,7 +537,7 @@
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
- radeon_cs_parser_fini(&parser, r);
+ radeon_cs_parser_fini(&parser, r, false);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
@@ -544,7 +546,7 @@
if (r) {
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to parse relocation %d!\n", r);
- radeon_cs_parser_fini(&parser, r);
+ radeon_cs_parser_fini(&parser, r, false);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
@@ -563,7 +565,7 @@
goto out;
}
out:
- radeon_cs_parser_fini(&parser, r);
+ radeon_cs_parser_fini(&parser, r, true);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;