From f5cfef98f736f9aa42e9ad41e67b5abd96b77835 Mon Sep 17 00:00:00 2001 From: Huang Rui Date: Tue, 21 Mar 2017 18:02:04 +0800 Subject: [PATCH] drm/amdgpu: split psp asd function Rework in order to properly support suspend. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 45 ++++++++++++++++----------------- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 5 +++- 2 files changed, 26 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index ed9c04b..ea56160 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -206,48 +206,43 @@ static void psp_prep_asd_cmd_buf(struct psp_gfx_cmd_resp *cmd, cmd->cmd.cmd_load_ta.cmd_buf_len = shared_size; } +static int psp_asd_init(struct psp_context *psp) +{ + int ret; + + /* + * Allocate 16k memory aligned to 4k from Frame Buffer (local + * physical) for shared ASD <-> Driver + */ + ret = amdgpu_bo_create_kernel(psp->adev, PSP_ASD_SHARED_MEM_SIZE, + PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, + &psp->asd_shared_bo, + &psp->asd_shared_mc_addr, + &psp->asd_shared_buf); + + return ret; +} + static int psp_asd_load(struct psp_context *psp) { int ret; - struct amdgpu_bo *asd_shared_bo; - uint64_t asd_shared_mc_addr; - void *asd_shared_buf; struct psp_gfx_cmd_resp *cmd; cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); if (!cmd) return -ENOMEM; - /* - * Allocate 16k memory aligned to 4k from Frame Buffer (local - * physical) for shared ASD <-> Driver - */ - ret = amdgpu_bo_create_kernel(psp->adev, PSP_ASD_SHARED_MEM_SIZE, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_VRAM, - &asd_shared_bo, &asd_shared_mc_addr, &asd_shared_buf); - if (ret) - goto failed; - memset(psp->fw_pri_buf, 0, PSP_1_MEG); memcpy(psp->fw_pri_buf, psp->asd_start_addr, psp->asd_ucode_size); - psp_prep_asd_cmd_buf(cmd, psp->fw_pri_mc_addr, asd_shared_mc_addr, + psp_prep_asd_cmd_buf(cmd, psp->fw_pri_mc_addr, psp->asd_shared_mc_addr, psp->asd_ucode_size, PSP_ASD_SHARED_MEM_SIZE); ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr, 2); - if (ret) - goto failed_mem; - amdgpu_bo_free_kernel(&asd_shared_bo, &asd_shared_mc_addr, &asd_shared_buf); kfree(cmd); - return 0; - -failed_mem: - amdgpu_bo_free_kernel(&asd_shared_bo, &asd_shared_mc_addr, &asd_shared_buf); -failed: - kfree(cmd); return ret; } @@ -301,6 +296,10 @@ static int psp_load_fw(struct amdgpu_device *adev) if (ret) goto failed_mem; + ret = psp_asd_init(psp); + if (ret) + goto failed_mem; + ret = psp_asd_load(psp); if (ret) goto failed_mem; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 125a5dc..1f1f057 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -90,12 +90,15 @@ struct psp_context uint64_t tmr_mc_addr; void *tmr_buf; - /* asd firmware */ + /* asd firmware and buffer */ const struct firmware *asd_fw; uint32_t asd_fw_version; uint32_t asd_feature_version; uint32_t asd_ucode_size; uint8_t *asd_start_addr; + struct amdgpu_bo *asd_shared_bo; + uint64_t asd_shared_mc_addr; + void *asd_shared_buf; /* fence buffer */ struct amdgpu_bo *fence_buf_bo; -- 2.7.4