Revert "drm/radeon: reduce number of free VMIDs and pipes in KV"

This reverts the remaining changes of commit
62a7b7fb, because radeon doesn't support
amdkfd anymore. The number of VMIDs was already changed back when amdkfd
support was removed.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/cik.c

@@ -4418,11 +4418,12 @@ static int cik_mec_init(struct radeon_device *rdev)
 	/*
 	 * KV:    2 MEC, 4 Pipes/MEC, 8 Queues/Pipe - 64 Queues total
 	 * CI/KB: 1 MEC, 4 Pipes/MEC, 8 Queues/Pipe - 32 Queues total
-	 * Nonetheless, we assign only 1 pipe because all other pipes will
-	 * be handled by KFD
 	 */
-	rdev->mec.num_mec = 1;
-	rdev->mec.num_pipe = 1;
+	if (rdev->family == CHIP_KAVERI)
+		rdev->mec.num_mec = 2;
+	else
+		rdev->mec.num_mec = 1;
+	rdev->mec.num_pipe = 4;
 	rdev->mec.num_queue = rdev->mec.num_mec * rdev->mec.num_pipe * 8;
 
 	if (rdev->mec.hpd_eop_obj == NULL) {
@@ -4565,8 +4566,11 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
 	/* init the pipes */
 	mutex_lock(&rdev->srbm_mutex);
 
-	for (i = 0; i < rdev->mec.num_pipe; ++i) {
-		cik_srbm_select(rdev, 0, i, 0, 0);
+	for (i = 0; i < (rdev->mec.num_pipe * rdev->mec.num_mec); ++i) {
+		int me = (i < 4) ? 1 : 2;
+		int pipe = (i < 4) ? i : (i - 4);
+
+		cik_srbm_select(rdev, me, pipe, 0, 0);
 
 		eop_gpu_addr = rdev->mec.hpd_eop_gpu_addr + (i * MEC_HPD_SIZE * 2) ;
 		/* write the EOP addr */
@@ -4583,6 +4587,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
 		WREG32(CP_HPD_EOP_CONTROL, tmp);
 
 	}
+	cik_srbm_select(rdev, 0, 0, 0, 0);
 	mutex_unlock(&rdev->srbm_mutex);
 
 	/* init the queues.  Just two for now. */