diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index ae668340620e..23812ec23969 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1378,6 +1378,21 @@ void intel_engines_mark_idle(struct drm_i915_private *i915) } } +bool intel_engine_can_store_dword(struct intel_engine_cs *engine) +{ + switch (INTEL_GEN(engine->i915)) { + case 2: + return false; /* uses physical not virtual addresses */ + case 3: + /* maybe only uses physical not virtual addresses */ + return !(IS_I915G(engine->i915) || IS_I915GM(engine->i915)); + case 6: + return engine->class != VIDEO_DECODE_CLASS; /* b0rked */ + default: + return true; + } +} + #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "selftests/mock_engine.c" #endif |