From 34c3a82b5aa7ddbc26f0d4d7ecec7720d73faed1 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 28 Jul 2017 19:04:21 -0400 Subject: [PATCH] drm/amdgpu/sdma4: drop allocation of poll_mem_offs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We already allocate this as part of the ring structure, use that instead. Cc: Frank Min Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 - drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 45 ++++++-------------------- 2 files changed, 9 insertions(+), 37 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 87afe8785bb2..d492ff79c296 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1149,7 +1149,6 @@ struct amdgpu_sdma_instance { struct amdgpu_ring ring; bool burst_nop; - uint32_t poll_mem_offs; }; struct amdgpu_sdma { diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 587bf508c794..85b856182bc9 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -287,8 +287,6 @@ static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring) */ static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring) { - int i; - u32 offset; struct amdgpu_device *adev = ring->adev; DRM_DEBUG("Setting write pointer\n"); @@ -306,16 +304,6 @@ static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring) WRITE_ONCE(*wb, (ring->wptr << 2)); DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", ring->doorbell_index, ring->wptr << 2); - - if (amdgpu_sriov_vf(adev)) { - for (i = 0; i < adev->sdma.num_instances; i++) { - if (&adev->sdma.instance[i].ring == ring) { - offset = adev->sdma.instance[i].poll_mem_offs; - atomic64_set((atomic64_t *)&adev->wb.wb[offset], - (ring->wptr << 2)); - } - } - } WDOORBELL64(ring->doorbell_index, ring->wptr << 2); } else { int me = (ring == &ring->adev->sdma.instance[0].ring) ? 0 : 1; @@ -586,12 +574,13 @@ static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable) static int sdma_v4_0_gfx_resume(struct amdgpu_device *adev) { struct amdgpu_ring *ring; - u32 rb_cntl, ib_cntl, wptr_poll_addr_lo, wptr_poll_addr_hi, wptr_poll_cntl; + u32 rb_cntl, ib_cntl, wptr_poll_cntl; u32 rb_bufsz; - u32 wb_offset, poll_offset; + u32 wb_offset; u32 doorbell; u32 doorbell_offset; u32 temp; + u64 wptr_gpu_addr; int i, r; for (i = 0; i < adev->sdma.num_instances; i++) { @@ -702,17 +691,14 @@ static int sdma_v4_0_gfx_resume(struct amdgpu_device *adev) amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size); if (amdgpu_sriov_vf(adev)) { - poll_offset = adev->sdma.instance[i].poll_mem_offs * 4; - + wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4); wptr_poll_cntl = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); - wptr_poll_addr_lo = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO)); - wptr_poll_addr_lo = REG_SET_FIELD(wptr_poll_addr_lo, SDMA0_GFX_RB_WPTR_POLL_ADDR_LO, ADDR, - lower_32_bits(adev->wb.gpu_addr + poll_offset) >> 2); - wptr_poll_addr_hi = upper_32_bits(adev->wb.gpu_addr + poll_offset); wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, SDMA0_GFX_RB_WPTR_POLL_CNTL, F32_POLL_ENABLE, 1); - WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO), wptr_poll_addr_lo); - WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI), wptr_poll_addr_hi); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO), + lower_32_bits(wptr_gpu_addr)); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI), + upper_32_bits(wptr_gpu_addr)); WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL), wptr_poll_cntl); } } @@ -1275,15 +1261,6 @@ static int sdma_v4_0_sw_init(void *handle) (i == 0) ? AMDGPU_SDMA_IRQ_TRAP0 : AMDGPU_SDMA_IRQ_TRAP1); - - if (amdgpu_sriov_vf(adev)) { - r = amdgpu_wb_get_64bit(adev, - &adev->sdma.instance[i].poll_mem_offs); - if (r) { - dev_err(adev->dev, "(%d) failed to allocate SDMA poll mem wb.\n", r); - return r; - } - } if (r) return r; } @@ -1296,13 +1273,9 @@ static int sdma_v4_0_sw_fini(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; int i; - for (i = 0; i < adev->sdma.num_instances; i++) { + for (i = 0; i < adev->sdma.num_instances; i++) amdgpu_ring_fini(&adev->sdma.instance[i].ring); - if (amdgpu_sriov_vf(adev)) - amdgpu_wb_free_64bit(adev, - adev->sdma.instance[i].poll_mem_offs); - } return 0; } -- 2.20.1