From: Brad Volkin <bradley.d.volkin@xxxxxxxxx>
So userspace can query the kernel for command parser support.
OTC-Tracker: AXIA-4631
Change-Id: I58af650db9f6753c2dcac9c54ab432fd31db302f
Signed-off-by: Brad Volkin <bradley.d.volkin@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_dma.c | 4 ++++
include/uapi/drm/i915_drm.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 258b1be..34ba199 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1013,6 +1013,10 @@ static int i915_getparam(struct drm_device *dev, void *data,
case I915_PARAM_HAS_EXEC_HANDLE_LUT:
value = 1;
break;
+ case I915_PARAM_CMD_PARSER_VERSION:
+ /* TODO: version info (e.g. what is allowed?) */
+ 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 126bfaa..8a3e4ef00 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -337,6 +337,7 @@ typedef struct drm_i915_irq_wait {
#define I915_PARAM_HAS_EXEC_NO_RELOC 25
#define I915_PARAM_HAS_EXEC_HANDLE_LUT 26
#define I915_PARAM_HAS_WT 27
+#define I915_PARAM_CMD_PARSER_VERSION 28
typedef struct drm_i915_getparam {
int param;
--
1.8.5.2
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