From 2b0c3aee2172451e9f982b25f3fdf59a1b687dc3 Mon Sep 17 00:00:00 2001 From: Huang Rui Date: Wed, 22 Mar 2017 10:16:05 +0800 Subject: [PATCH] drm/amdgpu: use private memory to store psp firmware data 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 | 28 +++++---------- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 1 - drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 48 +++++-------------------- 3 files changed, 16 insertions(+), 61 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index f70ab550934c..ed9c04b7a286 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -209,9 +209,9 @@ static void psp_prep_asd_cmd_buf(struct psp_gfx_cmd_resp *cmd, static int psp_asd_load(struct psp_context *psp) { int ret; - struct amdgpu_bo *asd_bo, *asd_shared_bo; - uint64_t asd_mc_addr, asd_shared_mc_addr; - void *asd_buf, *asd_shared_buf; + 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); @@ -224,38 +224,26 @@ static int psp_asd_load(struct psp_context *psp) */ 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_buf); + &asd_shared_bo, &asd_shared_mc_addr, &asd_shared_buf); if (ret) goto failed; - /* - * Allocate 256k memory aligned to 4k from Frame Buffer (local - * physical) for ASD firmware - */ - ret = amdgpu_bo_create_kernel(psp->adev, PSP_ASD_BIN_SIZE, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_VRAM, - &asd_bo, &asd_mc_addr, &asd_buf); - if (ret) - goto failed_mem; + memset(psp->fw_pri_buf, 0, PSP_1_MEG); + memcpy(psp->fw_pri_buf, psp->asd_start_addr, psp->asd_ucode_size); - memcpy(asd_buf, psp->asd_start_addr, psp->asd_ucode_size); - - psp_prep_asd_cmd_buf(cmd, asd_mc_addr, asd_shared_mc_addr, + psp_prep_asd_cmd_buf(cmd, psp->fw_pri_mc_addr, 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_mem1; + goto failed_mem; - amdgpu_bo_free_kernel(&asd_bo, &asd_mc_addr, &asd_buf); amdgpu_bo_free_kernel(&asd_shared_bo, &asd_shared_mc_addr, &asd_shared_buf); kfree(cmd); return 0; -failed_mem1: - amdgpu_bo_free_kernel(&asd_bo, &asd_mc_addr, &asd_buf); failed_mem: amdgpu_bo_free_kernel(&asd_shared_bo, &asd_shared_mc_addr, &asd_shared_buf); failed: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index b309b6a62c65..125a5dc0c0e1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -30,7 +30,6 @@ #define PSP_FENCE_BUFFER_SIZE 0x1000 #define PSP_CMD_BUFFER_SIZE 0x1000 -#define PSP_ASD_BIN_SIZE 0x40000 #define PSP_ASD_SHARED_MEM_SIZE 0x4000 #define PSP_1_MEG 0x100000 diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index c3588d1c7cb0..aae6b6540161 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -166,11 +166,8 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) { int ret; uint32_t psp_gfxdrv_command_reg = 0; - struct amdgpu_bo *psp_sysdrv; - void *psp_sysdrv_virt = NULL; - uint64_t psp_sysdrv_mem; struct amdgpu_device *adev = psp->adev; - uint32_t size, sol_reg; + uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. @@ -185,27 +182,14 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) if (ret) return ret; - /* - * Create a 1 meg GART memory to store the psp sys driver - * binary with a 1 meg aligned address - */ - size = (psp->sys_bin_size + (PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)) & - (~(PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)); - - ret = amdgpu_bo_create_kernel(adev, size, PSP_BOOTLOADER_1_MEG_ALIGNMENT, - AMDGPU_GEM_DOMAIN_GTT, - &psp_sysdrv, - &psp_sysdrv_mem, - &psp_sysdrv_virt); - if (ret) - return ret; + memset(psp->fw_pri_buf, 0, PSP_1_MEG); /* Copy PSP System Driver binary to memory */ - memcpy(psp_sysdrv_virt, psp->sys_start_addr, psp->sys_bin_size); + memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size); /* Provide the sys driver to bootrom */ WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_36), - (uint32_t)(psp_sysdrv_mem >> 20)); + (uint32_t)(psp->fw_pri_mc_addr >> 20)); psp_gfxdrv_command_reg = 1 << 16; WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), psp_gfxdrv_command_reg); @@ -216,8 +200,6 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 0x80000000, 0x80000000, false); - amdgpu_bo_free_kernel(&psp_sysdrv, &psp_sysdrv_mem, &psp_sysdrv_virt); - return ret; } @@ -225,11 +207,8 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp) { int ret; unsigned int psp_gfxdrv_command_reg = 0; - struct amdgpu_bo *psp_sos; - void *psp_sos_virt = NULL; - uint64_t psp_sos_mem; struct amdgpu_device *adev = psp->adev; - uint32_t size, sol_reg; + uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. @@ -244,23 +223,14 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp) if (ret) return ret; - size = (psp->sos_bin_size + (PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)) & - (~((uint64_t)PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)); - - ret = amdgpu_bo_create_kernel(adev, size, PSP_BOOTLOADER_1_MEG_ALIGNMENT, - AMDGPU_GEM_DOMAIN_GTT, - &psp_sos, - &psp_sos_mem, - &psp_sos_virt); - if (ret) - return ret; + memset(psp->fw_pri_buf, 0, PSP_1_MEG); /* Copy Secure OS binary to PSP memory */ - memcpy(psp_sos_virt, psp->sos_start_addr, psp->sos_bin_size); + memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size); /* Provide the PSP secure OS to bootrom */ WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_36), - (uint32_t)(psp_sos_mem >> 20)); + (uint32_t)(psp->fw_pri_mc_addr >> 20)); psp_gfxdrv_command_reg = 2 << 16; WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), psp_gfxdrv_command_reg); @@ -273,8 +243,6 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp) 0, true); #endif - amdgpu_bo_free_kernel(&psp_sos, &psp_sos_mem, &psp_sos_virt); - return ret; } -- 2.39.5