drm/amdgpu: remove redundant outer loop and remove commented out code

The outer loop is redundant and can be removed as it is doing nothing
useful. Also remove some commented out code that is not being used.

Detected by CoverityScan, CID#1402073
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vce_v2_0.c

@@ -274,24 +274,14 @@ static int vce_v2_0_start(struct amdgpu_device *adev)
 
 static int vce_v2_0_stop(struct amdgpu_device *adev)
 {
-	int i, j;
+	int i;
 	int status;
 
 	if (vce_v2_0_lmi_clean(adev)) {
 		DRM_INFO("vce is not idle \n");
 		return 0;
 	}
-/*
-	for (i = 0; i < 10; ++i) {
-		for (j = 0; j < 100; ++j) {
-			status = RREG32(mmVCE_FW_REG_STATUS);
-			if (!(status & 1))
-				break;
-			mdelay(1);
-		}
-		break;
-	}
-*/
+
 	if (vce_v2_0_wait_for_idle(adev)) {
 		DRM_INFO("VCE is busy, Can't set clock gateing");
 		return 0;
@@ -300,14 +290,11 @@ static int vce_v2_0_stop(struct amdgpu_device *adev)
 	/* Stall UMC and register bus before resetting VCPU */
 	WREG32_P(mmVCE_LMI_CTRL2, 1 << 8, ~(1 << 8));
 
-	for (i = 0; i < 10; ++i) {
-		for (j = 0; j < 100; ++j) {
-			status = RREG32(mmVCE_LMI_STATUS);
-			if (status & 0x240)
-				break;
-			mdelay(1);
-		}
-		break;
+	for (i = 0; i < 100; ++i) {
+		status = RREG32(mmVCE_LMI_STATUS);
+		if (status & 0x240)
+			break;
+		mdelay(1);
 	}
 
 	WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x80001);