drm/radeon/cik: use a separate counter for CP init timeout

Otherwise we may fail to init the second compute ring.

Noticed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 98dbaea..3d546c6 100644 (file)
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -4803,7 +4803,7 @@ struct bonaire_mqd
  */
 static int cik_cp_compute_resume(struct radeon_device *rdev)
 {
-       int r, i, idx;
+       int r, i, j, idx;
        u32 tmp;
        bool use_doorbell = true;
        u64 hqd_gpu_addr;
@@ -4922,7 +4922,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
                mqd->queue_state.cp_hqd_pq_wptr= 0;
                if (RREG32(CP_HQD_ACTIVE) & 1) {
                        WREG32(CP_HQD_DEQUEUE_REQUEST, 1);
-                       for (i = 0; i < rdev->usec_timeout; i++) {
+                       for (j = 0; j < rdev->usec_timeout; j++) {
                                if (!(RREG32(CP_HQD_ACTIVE) & 1))
                                        break;
                                udelay(1);