On Wed, Apr 19, 2017 at 10:41:43AM +0100, Chris Wilson wrote:
> diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
> index f43a22ae955b..200f2cf393b2 100644
> --- a/include/uapi/drm/i915_drm.h
> +++ b/include/uapi/drm/i915_drm.h
> @@ -395,6 +395,8 @@ typedef struct drm_i915_irq_wait {
>
> /* Query whether DRM_I915_GEM_EXECBUFFER2 supports user defined execution
> * priorities and the driver will attempt to execute batches in priority
> order.
> + * The initial priority for each batch is supplied by the context and is
> + * controlled via I915_CONTEXT_PARAM_PRIORITY.
> */
> #define I915_PARAM_HAS_SCHEDULER 41
> #define I915_PARAM_HUC_STATUS 42
> @@ -1318,6 +1320,7 @@ struct drm_i915_gem_context_param {
> #define I915_CONTEXT_PARAM_GTT_SIZE 0x3
> #define I915_CONTEXT_PARAM_NO_ERROR_CAPTURE 0x4
> #define I915_CONTEXT_PARAM_BANNABLE 0x5
> +#define I915_CONTEXT_PARAM_PRIORITY 0x6
Grr. Forgot to add min/max defines.
#define I915_CONTEXT_MAX_USER_PRIORITY 1023 /* inclusive */
#define I915_CONTEXT_DEFAULT_PRIORITY 0
#define I915_CONTEXT_MIN_USER_PRIORITY -1023 /* inclusive */
Or should it be I915_CONTEXT_PRIORITY_MAX_USER etc?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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