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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-05-21 22:11:28 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-05-22 08:40:35 +0100 |
| commit | 8319f44c0525708c26ac7724da897cff3dbb0f84 (patch) | |
| tree | 3d8319cb251ceba4ff9b253abe048e71bef89447 | |
| parent | drm/i915: Extend I915_CONTEXT_PARAM_SSEU to support local ctx->engine[] (diff) | |
| download | linux-dev-8319f44c0525708c26ac7724da897cff3dbb0f84.tar.xz linux-dev-8319f44c0525708c26ac7724da897cff3dbb0f84.zip | |
drm/i915: Re-expose SINGLE_TIMELINE flags for context creation
The SINGLE_TIMELINE flag can be used to create a context such that all
engine instances within that context share a common timeline. This can
be useful for mixing operations between real and virtual engines, or
when using a composite context for a single client API context.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190521211134.16117-4-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 4 | ||||
| -rw-r--r-- | include/uapi/drm/i915_drm.h | 3 |
2 files changed, 2 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index d38d8a45a5cf..d391d474820f 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -96,8 +96,6 @@ #include "i915_trace.h" #include "i915_user_extensions.h" -#define I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE (1 << 1) - #define ALL_L3_SLICES(dev) (1 << NUM_L3_SLICES(dev)) - 1 static struct i915_global_gem_context { @@ -505,8 +503,6 @@ i915_gem_create_context(struct drm_i915_private *dev_priv, unsigned int flags) lockdep_assert_held(&dev_priv->drm.struct_mutex); - BUILD_BUG_ON(I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE & - ~I915_CONTEXT_CREATE_FLAGS_UNKNOWN); if (flags & I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE && !HAS_EXECLISTS(dev_priv)) return ERR_PTR(-EINVAL); diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 82bd488ed0d1..957ba8e60e02 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1469,8 +1469,9 @@ struct drm_i915_gem_context_create_ext { __u32 ctx_id; /* output: id of new context*/ __u32 flags; #define I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS (1u << 0) +#define I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE (1u << 1) #define I915_CONTEXT_CREATE_FLAGS_UNKNOWN \ - (-(I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS << 1)) + (-(I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE << 1)) __u64 extensions; }; |