Not really needed, but makes the next change a little bit more compact.

v2:
  - Use zero-based numbering for engine names: xcs0, xcs1.. xcsN (Tvrtko, Chris)
  - Make sure the mock engine name is null-terminated (Tvrtko, Chris)

v3: Because I'm stupid (Chris)

Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Cc: Paulo Zanoni <paulo.r.zan...@intel.com>
Cc: Rodrigo Vivi <rodrigo.v...@intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Signed-off-by: Oscar Mateo <oscar.ma...@intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c       | 5 +++--
 drivers/gpu/drm/i915/intel_ringbuffer.h      | 4 +++-
 drivers/gpu/drm/i915/selftests/mock_engine.c | 2 +-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c 
b/drivers/gpu/drm/i915/intel_engine_cs.c
index bb10847..c6a73d0 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -71,7 +71,7 @@
                .init_legacy = intel_init_bsd_ring_buffer,
        },
        [VCS2] = {
-               .name = "vcs2",
+               .name = "vcs",
                .hw_id = VCS2_HW,
                .exec_id = I915_EXEC_BSD,
                .class = VIDEO_DECODE_CLASS,
@@ -108,7 +108,8 @@
 
        engine->id = id;
        engine->i915 = dev_priv;
-       engine->name = info->name;
+       snprintf(engine->name, sizeof(engine->name), "%s%u",
+                               info->name, info->instance);
        engine->exec_id = info->exec_id;
        engine->hw_id = engine->guc_id = info->hw_id;
        engine->mmio_base = info->mmio_base;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h 
b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 5c1a27f..d617049 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -187,9 +187,11 @@ enum intel_engine_id {
        VECS
 };
 
+#define INTEL_ENGINE_CS_MAX_NAME 8
+
 struct intel_engine_cs {
        struct drm_i915_private *i915;
-       const char      *name;
+       char name[INTEL_ENGINE_CS_MAX_NAME];
        enum intel_engine_id id;
        unsigned int exec_id;
        unsigned int hw_id;
diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c 
b/drivers/gpu/drm/i915/selftests/mock_engine.c
index b89050e..b8e53bd 100644
--- a/drivers/gpu/drm/i915/selftests/mock_engine.c
+++ b/drivers/gpu/drm/i915/selftests/mock_engine.c
@@ -140,7 +140,7 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private 
*i915,
 
        /* minimal engine setup for requests */
        engine->base.i915 = i915;
-       engine->base.name = name;
+       snprintf(engine->base.name, sizeof(engine->base.name), "%s", name);
        engine->base.id = id++;
        engine->base.status_page.page_addr = (void *)(engine + 1);
 
-- 
1.9.1

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