From: Tom St Denis Date: Wed, 5 Apr 2017 12:32:13 +0000 (-0400) Subject: drm/amd/amdgpu: cleanup gfx_v9_0_init_queue() X-Git-Tag: v4.12-rc1~116^2~15^2~18 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=efe53d8a4615fd218ab379cef76af8c57e63ce1d;p=linux.git drm/amd/amdgpu: cleanup gfx_v9_0_init_queue() Introduce WREG32_FIELD15 macro for SOC15 architectures. Signed-off-by: Tom St Denis Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index c4f6211640da..6a8129949333 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1704,6 +1704,9 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v); #define WREG32_FIELD_OFFSET(reg, offset, field, val) \ WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field)) +#define WREG32_FIELD15(ip, idx, reg, field, val) \ + WREG32(SOC15_REG_OFFSET(ip, idx, mm##reg), (RREG32(SOC15_REG_OFFSET(ip, idx, mm##reg)) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field)) + /* * BIOS helpers. */ diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 4e6702d764e2..7b9aff7c2806 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3975,9 +3975,7 @@ static int gfx_v9_0_init_queue(struct amdgpu_ring *ring) ring->pipe, ring->queue, 0); /* disable wptr polling */ - tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL)); - tmp = REG_SET_FIELD(tmp, CP_PQ_WPTR_POLL_CNTL, EN, 0); - WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL), tmp); + WREG32_FIELD15(GC, 0, CP_PQ_WPTR_POLL_CNTL, EN, 0); /* write the EOP addr */ BUG_ON(ring->me != 1 || ring->pipe != 0); /* can't handle other cases eop address */ @@ -4121,11 +4119,8 @@ static int gfx_v9_0_init_queue(struct amdgpu_ring *ring) amdgpu_bo_kunmap(ring->mqd_obj); amdgpu_bo_unreserve(ring->mqd_obj); - if (use_doorbell) { - tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_STATUS)); - tmp = REG_SET_FIELD(tmp, CP_PQ_STATUS, DOORBELL_ENABLE, 1); - WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_STATUS), tmp); - } + if (use_doorbell) + WREG32_FIELD15(GC, 0, CP_PQ_STATUS, DOORBELL_ENABLE, 1); return 0; }