drm/radeon: add cik tile mode array query

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/cik.c

@@ -1059,6 +1059,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
 				gb_tile_moden = 0;
 				break;
 			}
+			rdev->config.cik.tile_mode_array[reg_offset] = gb_tile_moden;
 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
 		}
 		for (reg_offset = 0; reg_offset < num_secondary_tile_mode_states; reg_offset++) {
@@ -1277,6 +1278,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
 					gb_tile_moden = 0;
 					break;
 				}
+				rdev->config.cik.tile_mode_array[reg_offset] = gb_tile_moden;
 				WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
 			}
 		} else if (num_rbs < 4) {
@@ -1402,6 +1404,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
 					gb_tile_moden = 0;
 					break;
 				}
+				rdev->config.cik.tile_mode_array[reg_offset] = gb_tile_moden;
 				WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
 			}
 		}
@@ -1619,6 +1622,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
 				gb_tile_moden = 0;
 				break;
 			}
+			rdev->config.cik.tile_mode_array[reg_offset] = gb_tile_moden;
 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
 		}
 		for (reg_offset = 0; reg_offset < num_secondary_tile_mode_states; reg_offset++) {

drivers/gpu/drm/radeon/radeon.h

@@ -1587,6 +1587,7 @@ struct cik_asic {
 	unsigned multi_gpu_tile_size;
 
 	unsigned tile_config;
+	uint32_t tile_mode_array[32];
 };
 
 union radeon_asic_config {

drivers/gpu/drm/radeon/radeon_drv.c

@@ -74,9 +74,10 @@
  *   2.31.0 - Add fastfb support for rs690
  *   2.32.0 - new info request for rings working
  *   2.33.0 - Add SI tiling mode array query
+ *   2.34.0 - Add CIK tiling mode array query
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	33
+#define KMS_DRIVER_MINOR	34
 #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

@@ -423,15 +423,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		break;
 	case RADEON_INFO_SI_TILE_MODE_ARRAY:
 		if (rdev->family >= CHIP_BONAIRE) {
-			DRM_DEBUG_KMS("tile mode array is not implemented yet\n");
-			return -EINVAL;
-		}
-		if (rdev->family < CHIP_TAHITI) {
-			DRM_DEBUG_KMS("tile mode array is si only!\n");
-			return -EINVAL;
-		}
+			value = rdev->config.cik.tile_mode_array;
+			value_size = sizeof(uint32_t)*32;
+		} else if (rdev->family >= CHIP_TAHITI) {
 			value = rdev->config.si.tile_mode_array;
 			value_size = sizeof(uint32_t)*32;
+		} else {
+			DRM_DEBUG_KMS("tile mode array is si+ only!\n");
+			return -EINVAL;
+		}
 		break;
 	default:
 		DRM_DEBUG_KMS("Invalid request %d\n", info->request);