From 030b2cdbc47e052815afd484480d883fe232f5a5 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 4 Sep 2017 17:42:28 +0800 Subject: [PATCH 0855/4131] drm/amdgpu: fixed raven psp cmd prepare and submit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - fw_size in psp_v10_0_prep_cmd_buf is wrongly set as 0 - fixed the wrong calculation of psp_write_ptr_reg in psp_v10_0_cmd_submit Change-Id: I9b7ebc99b7c75c03fb46d16c4c49348dd551325e Signed-off-by: Evan Quan Reviewed-by: Junwei Zhang Acked-by: Christian König Reviewed-by: Huang Rui --- drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c index 86db90f..8b30c2a 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -139,15 +139,13 @@ int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cm { int ret; uint64_t fw_mem_mc_addr = ucode->mc_addr; - struct common_firmware_header *header; memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp)); - header = (struct common_firmware_header *)ucode->fw; cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW; cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr); cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr); - cmd->cmd.cmd_load_ip_fw.fw_size = le32_to_cpu(header->ucode_size_bytes); + cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size; ret = psp_v10_0_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type); if (ret) @@ -248,15 +246,20 @@ int psp_v10_0_cmd_submit(struct psp_context *psp, struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem; struct psp_ring *ring = &psp->km_ring; struct amdgpu_device *adev = psp->adev; + uint32_t ring_size_dw = ring->ring_size / 4; + uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4; /* KM (GPCOM) prepare write pointer */ psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); /* Update KM RB frame pointer to new frame */ - if ((psp_write_ptr_reg % ring->ring_size) == 0) + if ((psp_write_ptr_reg % ring_size_dw) == 0) write_frame = ring->ring_mem; else - write_frame = ring->ring_mem + (psp_write_ptr_reg / (sizeof(struct psp_gfx_rb_frame) / 4)); + write_frame = ring->ring_mem + (psp_write_ptr_reg / rb_frame_size_dw); + + /* Initialize KM RB frame */ + memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame)); /* Update KM RB frame */ write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr); @@ -266,8 +269,7 @@ int psp_v10_0_cmd_submit(struct psp_context *psp, write_frame->fence_value = index; /* Update the write Pointer in DWORDs */ - psp_write_ptr_reg += sizeof(struct psp_gfx_rb_frame) / 4; - psp_write_ptr_reg = (psp_write_ptr_reg >= ring->ring_size) ? 0 : psp_write_ptr_reg; + psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg); return 0; -- 2.7.4