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| author |   Matthew Brost <matthew.brost@intel.com> | 2022-03-01 15:15:46 -0800 |
|---|---|---|
| committer |   Matt Roper <matthew.d.roper@intel.com> | 2022-03-02 06:52:42 -0800 |
| commit | e393e2aa0ad7ae0d187de93f4cbcfc480d28b5f6 (patch) | |
| tree | 89caf951e11433a13f1c9936782d4ae9f4f64264 /drivers/gpu/drm/i915/gem/i915_gem_context.c | |
| parent | drm/i915/xehp/guc: enable compute engine inside GuC (diff) | |
| download | wireguard-linux-e393e2aa0ad7ae0d187de93f4cbcfc480d28b5f6.tar.xz wireguard-linux-e393e2aa0ad7ae0d187de93f4cbcfc480d28b5f6.zip | |
drm/i915/xehp: Don't support parallel submission on compute / render
A different emit breadcrumbs ring programming is required for compute /
render and we don't have UMD user so just reject parallel submission for
these engine classes.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220301231549.1817978-11-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index bc6d59df064d..9ae294eb7fb4 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -670,6 +670,16 @@ set_proto_ctx_engines_parallel_submit(struct i915_user_extension __user *base, goto out_err; } + /* + * We don't support breadcrumb handshake on these + * classes + */ + if (siblings[n]->class == RENDER_CLASS || + siblings[n]->class == COMPUTE_CLASS) { + err = -EINVAL; + goto out_err; + } + if (n) { if (prev_engine.engine_class != ci.engine_class) { |