Expose a new context parameters to opting out of persistent behaviour.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxx>
---
lib/i915/gem_context.c | 37 +++++++++++++++++++++++++++++++++++++
lib/i915/gem_context.h | 8 ++++++++
2 files changed, 45 insertions(+)
diff --git a/lib/i915/gem_context.c b/lib/i915/gem_context.c
index 83c5df961..1fae5191f 100644
--- a/lib/i915/gem_context.c
+++ b/lib/i915/gem_context.c
@@ -272,6 +272,43 @@ void gem_context_set_priority(int fd, uint32_t ctx_id, int prio)
igt_assert_eq(__gem_context_set_priority(fd, ctx_id, prio), 0);
}
+/**
+ * __gem_context_set_persistence:
+ * @i915: open i915 drm file descriptor
+ * @ctx: i915 context id
+ * @state: desired persistence
+ *
+ * Declare whether this context is allowed to persist after closing until
+ * its requests are complete (persistent=true) or if it should be
+ * immediately reaped on closing and its requests cancelled
+ * (persistent=false).
+ *
+ * Returns: An integer equal to zero for success and negative for failure
+ */
+int __gem_context_set_persistence(int i915, uint32_t ctx, bool state)
+{
+ struct drm_i915_gem_context_param p = {
+ .ctx_id = ctx,
+ .param = I915_CONTEXT_PARAM_PERSISTENCE,
+ .value = state,
+ };
+
+ return __gem_context_set_param(i915, &p);
+}
+
+/**
+ * __gem_context_set_persistence:
+ * @i915: open i915 drm file descriptor
+ * @ctx: i915 context id
+ * @state: desired persistence
+ *
+ * Like __gem_context_set_persistence(), except we assert on failure.
+ */
+void gem_context_set_persistence(int i915, uint32_t ctx, bool state)
+{
+ igt_assert_eq(__gem_context_set_persistence(i915, ctx, state), 0);
+}
+
int
__gem_context_clone(int i915,
uint32_t src, unsigned int share,
diff --git a/lib/i915/gem_context.h b/lib/i915/gem_context.h
index 8043c3401..c0d4c9615 100644
--- a/lib/i915/gem_context.h
+++ b/lib/i915/gem_context.h
@@ -24,6 +24,11 @@
#ifndef GEM_CONTEXT_H
#define GEM_CONTEXT_H
+#include <stdbool.h>
+#include <stdint.h>
+
+struct drm_i915_gem_context_param;
+
uint32_t gem_context_create(int fd);
int __gem_context_create(int fd, uint32_t *ctx_id);
void gem_context_destroy(int fd, uint32_t ctx_id);
@@ -58,6 +63,9 @@ int __gem_context_get_param(int fd, struct drm_i915_gem_context_param *p);
int __gem_context_set_priority(int fd, uint32_t ctx, int prio);
void gem_context_set_priority(int fd, uint32_t ctx, int prio);
+int __gem_context_set_persistence(int i915, uint32_t ctx, bool state);
+void gem_context_set_persistence(int i915, uint32_t ctx, bool state);
+
bool gem_context_has_engine(int fd, uint32_t ctx, uint64_t engine);
#endif /* GEM_CONTEXT_H */
--
2.24.0.rc0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
