For the default I915_EXEC_BSD round robin selector, it may select any
available VCS engine. Make it so.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 8095070fad60..1c3406ebe37b 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -2120,7 +2120,8 @@ gen8_dispatch_bsd_engine(struct drm_i915_private
*dev_priv,
/* Check whether the file_priv has already selected one ring. */
if ((int)file_priv->bsd_engine < 0)
- file_priv->bsd_engine = get_random_int() & 1;
+ file_priv->bsd_engine =
+ get_random_int() % num_vcs_engines(dev_priv);
return file_priv->bsd_engine;
}
--
2.23.0.rc1
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