drm/amdkfd: Remove initialization of cp_hqd_ib_control on CIK

The initialization is not necessary. amd-kfd-staging and ROCm
releases have worked without it for two years.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
index 2bc49c6..06eaa21 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
@@ -79,10 +79,6 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
        m->cp_mqd_base_addr_lo        = lower_32_bits(addr);
        m->cp_mqd_base_addr_hi        = upper_32_bits(addr);
 
-       m->cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE | IB_ATC_EN;
-       /* Although WinKFD writes this, I suspect it should not be necessary */
-       m->cp_hqd_ib_control = IB_ATC_EN | DEFAULT_MIN_IB_AVAIL_SIZE;
-
        m->cp_hqd_quantum = QUANTUM_EN | QUANTUM_SCALE_1MS |
                                QUANTUM_DURATION(10);