drm/amd/amdgpu: clean up gfx_v8_0_kiq_init_register()

Swap read/write pattern for WREG32_FIELD()

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index e1d36f6..8860dd5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4817,13 +4817,10 @@ static int gfx_v8_0_kiq_init_register(struct amdgpu_ring *ring)
 {
        struct amdgpu_device *adev = ring->adev;
        struct vi_mqd *mqd = ring->mqd_ptr;
-       uint32_t tmp;
        int j;
 
        /* disable wptr polling */
-       tmp = RREG32(mmCP_PQ_WPTR_POLL_CNTL);
-       tmp = REG_SET_FIELD(tmp, CP_PQ_WPTR_POLL_CNTL, EN, 0);
-       WREG32(mmCP_PQ_WPTR_POLL_CNTL, tmp);
+       WREG32_FIELD(CP_PQ_WPTR_POLL_CNTL, EN, 0);
 
        WREG32(mmCP_HQD_EOP_BASE_ADDR, mqd->cp_hqd_eop_base_addr_lo);
        WREG32(mmCP_HQD_EOP_BASE_ADDR_HI, mqd->cp_hqd_eop_base_addr_hi);
@@ -4895,11 +4892,8 @@ static int gfx_v8_0_kiq_init_register(struct amdgpu_ring *ring)
        /* activate the queue */
        WREG32(mmCP_HQD_ACTIVE, mqd->cp_hqd_active);
 
-       if (ring->use_doorbell) {
-               tmp = RREG32(mmCP_PQ_STATUS);
-               tmp = REG_SET_FIELD(tmp, CP_PQ_STATUS, DOORBELL_ENABLE, 1);
-               WREG32(mmCP_PQ_STATUS, tmp);
-       }
+       if (ring->use_doorbell)
+               WREG32_FIELD(CP_PQ_STATUS, DOORBELL_ENABLE, 1);
 
        return 0;
 }