Allow selecting interruptible or uninterruptible waits to match
expectations of callers.
Signed-off-by: Thomas Hellstrom <thellst...@vmware.com>
Reviewed-by: Deepak Rawat <dra...@vmware.com>
Reviewed-by: Sinclair Yeh <s...@vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 13 ++++++++-----
drivers/gpu/drm/vmwgfx/vmwgfx_validation.c | 2 +-
5 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 1abe21758b0d..f1a5de351d80 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -628,7 +628,7 @@ extern void vmw_resource_unreference(struct vmw_resource
**p_res);
extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
extern struct vmw_resource *
vmw_resource_reference_unless_doomed(struct vmw_resource *res);
-extern int vmw_resource_validate(struct vmw_resource *res);
+extern int vmw_resource_validate(struct vmw_resource *res, bool intr);
extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
bool no_backup);
extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 1f134570b759..cfc87313a431 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -659,7 +659,7 @@ static int vmw_resources_validate(struct vmw_sw_context
*sw_context)
struct vmw_resource *res = val->res;
struct vmw_buffer_object *backup = res->backup;
- ret = vmw_resource_validate(res);
+ ret = vmw_resource_validate(res, true);
if (unlikely(ret != 0)) {
if (ret != -ERESTARTSYS)
DRM_ERROR("Failed to validate resource.\n");
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 0c25bb8faf80..e5659bf28ee1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -2713,7 +2713,7 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource
*res,
ctx->buf = vmw_bo_reference(res->backup);
}
- ret = vmw_resource_validate(res);
+ ret = vmw_resource_validate(res, interruptible);
if (ret)
goto out_revert;
return 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 92003ea5a219..315b3d60567d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -587,15 +587,18 @@ static int vmw_resource_do_evict(struct ww_acquire_ctx
*ticket,
/**
* vmw_resource_validate - Make a resource up-to-date and visible
* to the device.
- *
- * @res: The resource to make visible to the device.
+ * @res: The resource to make visible to the device.
+ * @intr: Perform waits interruptible if possible.
*
* On succesful return, any backup DMA buffer pointed to by @res->backup will
* be reserved and validated.
* On hardware resource shortage, this function will repeatedly evict
* resources of the same type until the validation succeeds.
+ *
+ * Return: Zero on success, -ERESTARTSYS if interrupted, negative error code
+ * on failure.
*/
-int vmw_resource_validate(struct vmw_resource *res)
+int vmw_resource_validate(struct vmw_resource *res, bool intr)
{
int ret;
struct vmw_resource *evict_res;
@@ -633,7 +636,7 @@ int vmw_resource_validate(struct vmw_resource *res)
write_unlock(&dev_priv->resource_lock);
/* Trylock backup buffers with a NULL ticket. */
- ret = vmw_resource_do_evict(NULL, evict_res, true);
+ ret = vmw_resource_do_evict(NULL, evict_res, intr);
if (unlikely(ret != 0)) {
write_lock(&dev_priv->resource_lock);
list_add_tail(&evict_res->lru_head, lru_list);
@@ -914,7 +917,7 @@ int vmw_resource_pin(struct vmw_resource *res, bool
interruptible)
/* Do we really need to pin the MOB as well? */
vmw_bo_pin_reserved(vbo, true);
}
- ret = vmw_resource_validate(res);
+ ret = vmw_resource_validate(res, interruptible);
if (vbo)
ttm_bo_unreserve(&vbo->base);
if (ret)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
index 5bc00eafe381..dbb58cce0987 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
@@ -479,7 +479,7 @@ int vmw_validation_res_validate(struct
vmw_validation_context *ctx, bool intr)
struct vmw_resource *res = val->res;
struct vmw_buffer_object *backup = res->backup;
- ret = vmw_resource_validate(res);
+ ret = vmw_resource_validate(res, intr);
if (ret) {
if (ret != -ERESTARTSYS)
DRM_ERROR("Failed to validate resource.\n");
--
2.14.4
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