[PATCH] drm/radeon: add ring working query

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From: Christian König <christian.koenig@xxxxxxx>

Add new ioctl option and bumb minor version number.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
 drivers/gpu/drm/radeon/radeon_drv.c |    2 +-
 drivers/gpu/drm/radeon/radeon_kms.c |   17 +++++++++++++++++
 include/uapi/drm/radeon_drm.h       |    2 ++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 66a7f0f..31b193b 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -73,7 +73,7 @@
  *   2.30.0 - fix for FMASK texturing
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	30
+#define KMS_DRIVER_MINOR	31
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 3019759..8cb9d12 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -376,6 +376,23 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		else
 			return -EINVAL;
 		break;
+	case RADEON_INFO_RING_WORKING:
+		switch (value) {
+		case RADEON_CS_RING_GFX:
+		case RADEON_CS_RING_COMPUTE:
+			value = rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready;
+			break;
+		case RADEON_CS_RING_DMA:
+			value = rdev->ring[R600_RING_TYPE_DMA_INDEX].ready;
+			value |= rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready;
+			break;
+		case RADEON_CS_RING_UVD:
+			value = rdev->ring[R600_RING_TYPE_UVD_INDEX].ready;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
 	default:
 		DRM_DEBUG_KMS("Invalid request %d\n", info->request);
 		return -EINVAL;
diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h
index cd085d1..8459415 100644
--- a/include/uapi/drm/radeon_drm.h
+++ b/include/uapi/drm/radeon_drm.h
@@ -973,6 +973,8 @@ struct drm_radeon_cs {
 #define RADEON_INFO_MAX_SE		0x12
 /* max SH per SE */
 #define RADEON_INFO_MAX_SH_PER_SE	0x13
+/* query if a RADEON_CS_RING_* submission is supported */
+#define RADEON_INFO_RING_WORKING	0x14
 
 struct drm_radeon_info {
 	uint32_t		request;
-- 
1.7.9.5

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