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drm/i915/bxt: Export pooled eu info to userspace

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Pooled EU is a bxt only feature and kernel changes are already merged. This
feature is not yet exposed to userspace as the support was not yet
available. Beignet team expressed interest and added patches to use this.

Since we now have a user and patches to use them, expose them from the
kernel side as well.

v2: fix compile error

[1] https://lists.freedesktop.org/archives/beignet/2016-June/007698.html
[2] https://lists.freedesktop.org/archives/beignet/2016-June/007699.html

Cc: Winiarski, Michal <michal.winiarski@intel.com>
Cc: Zou, Nanhai <nanhai.zou@intel.com>
Cc: Yang, Rong R <rong.r.yang@intel.com>
Cc: Tim Gore <tim.gore@intel.com>
Cc: Jeff McGee <jeff.mcgee@intel.com>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467369782-25992-1-git-send-email-arun.siluvery@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
arun.siluvery@linux.intel.com 2016-07-01 11:43:02 +01:00 committed by Tvrtko Ursulin
parent fc61984172
commit 37f501afed
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/i915/i915_drv.c
View File

@ -365,6 +365,12 @@ static int i915_getparam(struct drm_device *dev, void *data,
case I915_PARAM_HAS_EXEC_SOFTPIN:
value = 1;
break;
case I915_PARAM_HAS_POOLED_EU:
value = HAS_POOLED_EU(dev);
break;
case I915_PARAM_MIN_EU_IN_POOL:
value = INTEL_INFO(dev)->min_eu_in_pool;
break;
default:
DRM_DEBUG("Unknown parameter %d\n", param->param);
return -EINVAL;

2
include/uapi/drm/i915_drm.h
View File

@ -361,6 +361,8 @@ typedef struct drm_i915_irq_wait {
#define I915_PARAM_HAS_GPU_RESET 35
#define I915_PARAM_HAS_RESOURCE_STREAMER 36
#define I915_PARAM_HAS_EXEC_SOFTPIN 37
#define I915_PARAM_HAS_POOLED_EU 38
#define I915_PARAM_MIN_EU_IN_POOL 39
typedef struct drm_i915_getparam {
__s32 param;