drm/radeon: fix active cu count for SI and CIK

This fixes the CU count reported to userspace for
OpenCL.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=82581

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@vger.kernel.org
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 7e58423..c8f359c 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -3057,7 +3057,7 @@
 	u32 sx_debug_1;
 	u32 hdp_host_path_cntl;
 	u32 tmp;
-	int i, j, k;
+	int i, j;
 
 	switch (rdev->family) {
 	case CHIP_TAHITI:
@@ -3257,10 +3257,8 @@
 
 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
-			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
-				rdev->config.si.active_cus +=
-					hweight32(si_get_cu_active_bitmap(rdev, i, j));
-			}
+			rdev->config.si.active_cus +=
+				hweight32(si_get_cu_active_bitmap(rdev, i, j));
 		}
 	}