diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-23 11:31:31 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-23 11:53:32 +0000 |
| commit | 5d12fcef4ef15d00ae3228cc1ed80d2d81bc2c06 (patch) | |
| tree | 5f1c7ffdb67e942d9dd468c82351dcd9231e59fb /drivers/gpu/drm/i915/i915_gem_context.c | |
| parent | 2f1ac9cc68e0ca569405bd854979aa7eb787f774 (diff) | |
drm/i915: Assert that the kernel_context is hw-id 0
For easy recognisability, we want the kernel context to have id 0 and
all user contexts to have non-zero ids.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170123113132.18665-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 17f90c618208..77458da9627d 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -451,6 +451,11 @@ int i915_gem_context_init(struct drm_i915_private *dev_priv) return PTR_ERR(ctx); } + /* For easy recognisablity, we want the kernel context to be 0 and then + * all user contexts will have non-zero hw_id. + */ + GEM_BUG_ON(ctx->hw_id); + i915_gem_context_clear_bannable(ctx); ctx->priority = I915_PRIORITY_MIN; /* lowest priority; idle task */ dev_priv->kernel_context = ctx; |