drm/radeon: add ring working query

Add new ioctl option and bumb minor version number.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/radeon_drv.c

@@ -72,9 +72,10 @@
  *   2.29.0 - R500 FP16 color clear registers
  *   2.30.0 - fix for FMASK texturing
  *   2.31.0 - Add fastfb support for rs690
+ *   2.32.0 - new info request for rings working
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	31
+#define KMS_DRIVER_MINOR	32
 #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);

drivers/gpu/drm/radeon/radeon_kms.c

@@ -379,6 +379,23 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	case RADEON_INFO_FASTFB_WORKING:
 		value = rdev->fastfb_working;
 		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;

include/uapi/drm/radeon_drm.h

@@ -975,6 +975,8 @@ struct drm_radeon_cs {
 #define RADEON_INFO_MAX_SH_PER_SE	0x13
 /* fast fb access is enabled */
 #define RADEON_INFO_FASTFB_WORKING	0x14
+/* query if a RADEON_CS_RING_* submission is supported */
+#define RADEON_INFO_RING_WORKING	0x15
 
 
 struct drm_radeon_info {