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-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 566e8a4844cf..e3be6b039db7 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -2102,6 +2102,12 @@ static int eb_submit(struct i915_execbuffer *eb)
return 0;
}
+static int num_vcs_engines(const struct drm_i915_private *i915)
+{
+ return hweight64(INTEL_INFO(i915)->engine_mask &
+ GENMASK_ULL(VCS0 + I915_MAX_VCS - 1, VCS0));
+}
+
/*
* Find one BSD ring to dispatch the corresponding BSD command.
* The engine index is returned.
@@ -2200,7 +2206,7 @@ eb_select_legacy_ring(struct i915_execbuffer *eb,
return -1;
}
- if (user_ring_id == I915_EXEC_BSD && HAS_ENGINE(i915, VCS1)) {
+ if (user_ring_id == I915_EXEC_BSD && num_vcs_engines(i915) > 1) {
unsigned int bsd_idx = args->flags & I915_EXEC_BSD_MASK;
if (bsd_idx == I915_EXEC_BSD_DEFAULT) {