This will let userspace know whether Resource Streamer is supported
in the kernel.
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 68e0c85..10d4ead 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -163,6 +163,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
if (!value)
return -ENODEV;
break;
+ case I915_PARAM_HAS_RESOURCE_STREAMER:
+ value = 1;
+ 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 551b673..40ab1c8 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -350,6 +350,7 @@ typedef struct drm_i915_irq_wait {
#define I915_PARAM_REVISION 32
#define I915_PARAM_SUBSLICE_TOTAL 33
#define I915_PARAM_EU_TOTAL 34
+#define I915_PARAM_HAS_RESOURCE_STREAMER 35
typedef struct drm_i915_getparam {
int param;
--
1.9.1
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