From: Tom St Denis Date: Tue, 4 Apr 2017 13:39:16 +0000 (-0400) Subject: drm/amd/amdgpu: clean up gfx_v8_0_kiq_init_register() X-Git-Tag: v4.12-rc1~86^2~16^2~28 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=0ac642c5b541f4812e28156abfd0f2a1454cd773;p=uclinux-h8%2Flinux.git drm/amd/amdgpu: clean up gfx_v8_0_kiq_init_register() Swap read/write pattern for WREG32_FIELD() Signed-off-by: Tom St Denis Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index e1d36f6e8e67..8860dd5c965d 100644 --- 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; }