On 06/24/2015 09:30 AM, Abdiel Janulgue wrote:
>
>
> On 06/16/2015 03:41 PM, Abdiel Janulgue wrote:
>> This will let userspace know whether Resource Streamer is supported
>> in the kernel.
>>
>> v2: Update I915_PARAM_HAS_RESOURCE_STREAMER so it's after
>> I915_PARAM_HAS_GPU_RESET.
>> v3: Only advertise RS support for hardware that supports it.
>
> Ping. Any status on this one?
Chris?
>
>>
>> Suggested-by: Kenneth Graunke <kenneth@xxxxxxxxxxxxx>
>> Cc: Kenneth Graunke <kenneth@xxxxxxxxxxxxx>
>> Signed-off-by: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/i915/i915_dma.c | 3 +++
>> include/uapi/drm/i915_drm.h | 1 +
>> 2 files changed, 4 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
>> index 88795d2..4f55f51 100644
>> --- a/drivers/gpu/drm/i915/i915_dma.c
>> +++ b/drivers/gpu/drm/i915/i915_dma.c
>> @@ -168,6 +168,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
>> i915.reset &&
>> intel_has_gpu_reset(dev);
>> break;
>> + case I915_PARAM_HAS_RESOURCE_STREAMER:
>> + value = IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8;
>> + break;
>> default:
>> DRM_DEBUG("Unknown parameter %d\n", param->param);
>> return -EINVAL;
>> diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
>> index f88cc1c..51137bd 100644
>> --- a/include/uapi/drm/i915_drm.h
>> +++ b/include/uapi/drm/i915_drm.h
>> @@ -355,6 +355,7 @@ typedef struct drm_i915_irq_wait {
>> #define I915_PARAM_SUBSLICE_TOTAL 33
>> #define I915_PARAM_EU_TOTAL 34
>> #define I915_PARAM_HAS_GPU_RESET 35
>> +#define I915_PARAM_HAS_RESOURCE_STREAMER 36
>>
>> typedef struct drm_i915_getparam {
>> int param;
>>
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