From 77fcfe1477764b3e071756c12cb06c679752af7e Mon Sep 17 00:00:00 2001
From: Candice Li <candice.li@amd.com>
Date: Tue, 27 Jul 2021 20:40:18 +0800
Subject: drm/amd/amdgpu: remove redundant host to psp cmd buf allocations
Git-commit: 4fb930715468442360f9d8740a65592bfbeb9c24
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 227 +++++++-----------------
1 file changed, 66 insertions(+), 161 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 1da46cf22518..f341d51fbaa2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -251,6 +251,12 @@ static int psp_sw_init(void *handle)
struct psp_runtime_boot_cfg_entry boot_cfg_entry;
struct psp_memory_training_context *mem_training_ctx = &psp->mem_train_ctx;
+ psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+ if (!psp->cmd) {
+ DRM_ERROR("Failed to allocate memory to command buffer!\n");
+ ret = -ENOMEM;
+ }
+
if (!amdgpu_sriov_vf(adev)) {
ret = psp_init_microcode(psp);
if (ret) {
@@ -313,25 +319,30 @@ static int psp_sw_init(void *handle)
static int psp_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ struct psp_context *psp = &adev->psp;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
- psp_memory_training_fini(&adev->psp);
- if (adev->psp.sos_fw) {
- release_firmware(adev->psp.sos_fw);
- adev->psp.sos_fw = NULL;
+ psp_memory_training_fini(psp);
+ if (psp->sos_fw) {
+ release_firmware(psp->sos_fw);
+ psp->sos_fw = NULL;
}
- if (adev->psp.asd_fw) {
- release_firmware(adev->psp.asd_fw);
- adev->psp.asd_fw = NULL;
+ if (psp->asd_fw) {
+ release_firmware(psp->asd_fw);
+ psp->asd_fw = NULL;
}
- if (adev->psp.ta_fw) {
- release_firmware(adev->psp.ta_fw);
- adev->psp.ta_fw = NULL;
+ if (psp->ta_fw) {
+ release_firmware(psp->ta_fw);
+ psp->ta_fw = NULL;
}
if (adev->asic_type == CHIP_NAVI10 ||
adev->asic_type == CHIP_SIENNA_CICHLID)
psp_sysfs_fini(adev);
+ kfree(cmd);
+ cmd = NULL;
+
return 0;
}
@@ -489,6 +500,8 @@ static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
uint32_t size = amdgpu_bo_size(tmr_bo);
uint64_t tmr_pa = amdgpu_gmc_vram_pa(adev, tmr_bo);
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
if (amdgpu_sriov_vf(psp->adev))
cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
else
@@ -504,6 +517,8 @@ static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
static void psp_prep_load_toc_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint64_t pri_buf_mc, uint32_t size)
{
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
cmd->cmd_id = GFX_CMD_ID_LOAD_TOC;
cmd->cmd.cmd_load_toc.toc_phy_addr_lo = lower_32_bits(pri_buf_mc);
cmd->cmd.cmd_load_toc.toc_phy_addr_hi = upper_32_bits(pri_buf_mc);
@@ -515,11 +530,8 @@ static int psp_load_toc(struct psp_context *psp,
uint32_t *tmr_size)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
/* Copy toc to psp firmware private buffer */
psp_copy_fw(psp, psp->toc.start_addr, psp->toc.size_bytes);
@@ -529,7 +541,7 @@ static int psp_load_toc(struct psp_context *psp,
psp->fence_buf_mc_addr);
if (!ret)
*tmr_size = psp->cmd_buf_mem->resp.tmr_size;
- kfree(cmd);
+
return ret;
}
@@ -586,7 +598,7 @@ static bool psp_skip_tmr(struct psp_context *psp)
static int psp_tmr_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/* For Navi12 and CHIP_SIENNA_CICHLID SRIOV, do not set up TMR.
* Already set up by host driver.
@@ -594,10 +606,6 @@ static int psp_tmr_load(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev) && psp_skip_tmr(psp))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr, psp->tmr_bo);
DRM_INFO("reserve 0x%lx from 0x%llx for PSP TMR\n",
amdgpu_bo_size(psp->tmr_bo), psp->tmr_mc_addr);
@@ -605,14 +613,14 @@ static int psp_tmr_load(struct psp_context *psp)
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
static void psp_prep_tmr_unload_cmd_buf(struct psp_context *psp,
- struct psp_gfx_cmd_resp *cmd)
+ struct psp_gfx_cmd_resp *cmd)
{
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
if (amdgpu_sriov_vf(psp->adev))
cmd->cmd_id = GFX_CMD_ID_DESTROY_VMR;
else
@@ -622,11 +630,7 @@ static void psp_prep_tmr_unload_cmd_buf(struct psp_context *psp,
static int psp_tmr_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
-
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
psp_prep_tmr_unload_cmd_buf(psp, cmd);
DRM_INFO("free PSP TMR buffer\n");
@@ -634,8 +638,6 @@ static int psp_tmr_unload(struct psp_context *psp)
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
@@ -660,7 +662,9 @@ int psp_get_fw_attestation_records_addr(struct psp_context *psp,
uint64_t *output_ptr)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
+
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
if (!output_ptr)
return -EINVAL;
@@ -668,10 +672,6 @@ int psp_get_fw_attestation_records_addr(struct psp_context *psp,
if (amdgpu_sriov_vf(psp->adev))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
cmd->cmd_id = GFX_CMD_ID_GET_FW_ATTESTATION;
ret = psp_cmd_submit_buf(psp, NULL, cmd,
@@ -682,8 +682,6 @@ int psp_get_fw_attestation_records_addr(struct psp_context *psp,
((uint64_t)cmd->resp.uresp.fwar_db_info.fwar_db_addr_hi << 32);
}
- kfree(cmd);
-
return ret;
}
@@ -733,14 +731,14 @@ static int psp_rl_load(struct amdgpu_device *adev)
struct psp_context *psp = &adev->psp;
struct psp_gfx_cmd_resp *cmd = psp->cmd;
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
if (!is_psp_fw_valid(psp->rl))
return 0;
memset(psp->fw_pri_buf, 0, PSP_1_MEG);
memcpy(psp->fw_pri_buf, psp->rl.start_addr, psp->rl.size_bytes);
- memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
-
cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(psp->fw_pri_mc_addr);
cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(psp->fw_pri_mc_addr);
@@ -753,6 +751,8 @@ static int psp_rl_load(struct amdgpu_device *adev)
static void psp_prep_asd_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint64_t asd_mc, uint32_t size)
{
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
cmd->cmd_id = GFX_CMD_ID_LOAD_ASD;
cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(asd_mc);
cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(asd_mc);
@@ -766,7 +766,7 @@ static void psp_prep_asd_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
static int psp_asd_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/* If PSP version doesn't match ASD version, asd loading will be failed.
* add workaround to bypass it for sriov now.
@@ -775,10 +775,6 @@ static int psp_asd_load(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev) || !psp->asd_ucode_size)
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_copy_fw(psp, psp->asd_start_addr, psp->asd_ucode_size);
psp_prep_asd_load_cmd_buf(cmd, psp->fw_pri_mc_addr,
@@ -791,14 +787,14 @@ static int psp_asd_load(struct psp_context *psp)
psp->asd_context.session_id = cmd->resp.session_id;
}
- kfree(cmd);
-
return ret;
}
static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t session_id)
{
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
cmd->cmd.cmd_unload_ta.session_id = session_id;
}
@@ -806,7 +802,7 @@ static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
static int psp_asd_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
if (amdgpu_sriov_vf(psp->adev))
return 0;
@@ -814,10 +810,6 @@ static int psp_asd_unload(struct psp_context *psp)
if (!psp->asd_context.asd_initialized)
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_prep_ta_unload_cmd_buf(cmd, psp->asd_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd,
@@ -825,14 +817,14 @@ static int psp_asd_unload(struct psp_context *psp)
if (!ret)
psp->asd_context.asd_initialized = false;
- kfree(cmd);
-
return ret;
}
static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t id, uint32_t value)
{
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
cmd->cmd_id = GFX_CMD_ID_PROG_REG;
cmd->cmd.cmd_setup_reg_prog.reg_value = value;
cmd->cmd.cmd_setup_reg_prog.reg_id = id;
@@ -841,22 +833,17 @@ static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
int psp_reg_program(struct psp_context *psp, enum psp_reg_prog_id reg,
uint32_t value)
{
- struct psp_gfx_cmd_resp *cmd = NULL;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
int ret = 0;
if (reg >= PSP_REG_LAST)
return -EINVAL;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_prep_reg_prog_cmd_buf(cmd, reg, value);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
if (ret)
DRM_ERROR("PSP failed to program reg id %d", reg);
- kfree(cmd);
return ret;
}
@@ -866,6 +853,8 @@ static void psp_prep_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint64_t ta_shared_mc,
uint32_t ta_shared_size)
{
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
cmd->cmd_id = GFX_CMD_ID_LOAD_TA;
cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(ta_bin_mc);
cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(ta_bin_mc);
@@ -897,6 +886,8 @@ static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t ta_cmd_id,
uint32_t session_id)
{
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD;
cmd->cmd.cmd_invoke_cmd.session_id = session_id;
cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
@@ -907,35 +898,25 @@ static int psp_ta_invoke(struct psp_context *psp,
uint32_t session_id)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
-
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
psp_prep_ta_invoke_cmd_buf(cmd, ta_cmd_id, session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
static int psp_xgmi_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/*
* TODO: bypass the loading in sriov for now
*/
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_copy_fw(psp, psp->ta_xgmi_start_addr, psp->ta_xgmi_ucode_size);
psp_prep_ta_load_cmd_buf(cmd,
@@ -952,15 +933,13 @@ static int psp_xgmi_load(struct psp_context *psp)
psp->xgmi_context.session_id = cmd->resp.session_id;
}
- kfree(cmd);
-
return ret;
}
static int psp_xgmi_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
struct amdgpu_device *adev = psp->adev;
/* XGMI TA unload currently is not supported on Arcturus/Aldebaran A+A */
@@ -972,17 +951,11 @@ static int psp_xgmi_unload(struct psp_context *psp)
* TODO: bypass the unloading in sriov for now
*/
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_prep_ta_unload_cmd_buf(cmd, psp->xgmi_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
@@ -1202,7 +1175,7 @@ static int psp_ras_init_shared_buf(struct psp_context *psp)
static int psp_ras_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
struct ta_ras_shared_memory *ras_cmd;
/*
@@ -1211,10 +1184,6 @@ static int psp_ras_load(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_copy_fw(psp, psp->ta_ras_start_addr, psp->ta_ras_ucode_size);
ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
@@ -1245,15 +1214,13 @@ static int psp_ras_load(struct psp_context *psp)
if (ret || ras_cmd->ras_status)
amdgpu_ras_fini(psp->adev);
- kfree(cmd);
-
return ret;
}
static int psp_ras_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/*
* TODO: bypass the unloading in sriov for now
@@ -1261,17 +1228,11 @@ static int psp_ras_unload(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_prep_ta_unload_cmd_buf(cmd, psp->ras.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
@@ -1512,7 +1473,7 @@ static int psp_hdcp_init_shared_buf(struct psp_context *psp)
static int psp_hdcp_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/*
* TODO: bypass the loading in sriov for now
@@ -1520,10 +1481,6 @@ static int psp_hdcp_load(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_copy_fw(psp, psp->ta_hdcp_start_addr,
psp->ta_hdcp_ucode_size);
@@ -1541,8 +1498,6 @@ static int psp_hdcp_load(struct psp_context *psp)
mutex_init(&psp->hdcp_context.mutex);
}
- kfree(cmd);
-
return ret;
}
static int psp_hdcp_initialize(struct psp_context *psp)
@@ -1577,7 +1532,7 @@ static int psp_hdcp_initialize(struct psp_context *psp)
static int psp_hdcp_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/*
* TODO: bypass the unloading in sriov for now
@@ -1585,16 +1540,10 @@ static int psp_hdcp_unload(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_prep_ta_unload_cmd_buf(cmd, psp->hdcp_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
@@ -1663,7 +1612,7 @@ static int psp_dtm_init_shared_buf(struct psp_context *psp)
static int psp_dtm_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/*
* TODO: bypass the loading in sriov for now
@@ -1671,10 +1620,6 @@ static int psp_dtm_load(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_copy_fw(psp, psp->ta_dtm_start_addr, psp->ta_dtm_ucode_size);
psp_prep_ta_load_cmd_buf(cmd,
@@ -1691,8 +1636,6 @@ static int psp_dtm_load(struct psp_context *psp)
mutex_init(&psp->dtm_context.mutex);
}
- kfree(cmd);
-
return ret;
}
@@ -1728,7 +1671,7 @@ static int psp_dtm_initialize(struct psp_context *psp)
static int psp_dtm_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
/*
* TODO: bypass the unloading in sriov for now
@@ -1736,16 +1679,10 @@ static int psp_dtm_unload(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
-
psp_prep_ta_unload_cmd_buf(cmd, psp->dtm_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
@@ -1814,11 +1751,7 @@ static int psp_rap_init_shared_buf(struct psp_context *psp)
static int psp_rap_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
-
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
psp_copy_fw(psp, psp->ta_rap_start_addr, psp->ta_rap_ucode_size);
@@ -1836,26 +1769,18 @@ static int psp_rap_load(struct psp_context *psp)
mutex_init(&psp->rap_context.mutex);
}
- kfree(cmd);
-
return ret;
}
static int psp_rap_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
-
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
psp_prep_ta_unload_cmd_buf(cmd, psp->rap_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
@@ -1980,11 +1905,7 @@ static int psp_securedisplay_init_shared_buf(struct psp_context *psp)
static int psp_securedisplay_load(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
-
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
memset(psp->fw_pri_buf, 0, PSP_1_MEG);
memcpy(psp->fw_pri_buf, psp->ta_securedisplay_start_addr, psp->ta_securedisplay_ucode_size);
@@ -2005,25 +1926,18 @@ static int psp_securedisplay_load(struct psp_context *psp)
mutex_init(&psp->securedisplay_context.mutex);
failed:
- kfree(cmd);
return ret;
}
static int psp_securedisplay_unload(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
-
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
psp_prep_ta_unload_cmd_buf(cmd, psp->securedisplay_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
- kfree(cmd);
-
return ret;
}
@@ -2577,10 +2491,6 @@ static int psp_load_fw(struct amdgpu_device *adev)
goto skip_memalloc;
}
- psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!psp->cmd)
- return -ENOMEM;
-
if (amdgpu_sriov_vf(adev)) {
ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
AMDGPU_GEM_DOMAIN_VRAM,
@@ -2734,9 +2644,6 @@ static int psp_hw_fini(void *handle)
amdgpu_bo_free_kernel(&psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
(void **)&psp->cmd_buf_mem);
- kfree(psp->cmd);
- psp->cmd = NULL;
-
return 0;
}
@@ -2900,17 +2807,15 @@ int psp_gpu_reset(struct amdgpu_device *adev)
int psp_rlc_autoload_start(struct psp_context *psp)
{
int ret;
- struct psp_gfx_cmd_resp *cmd;
+ struct psp_gfx_cmd_resp *cmd = psp->cmd;
- cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
- if (!cmd)
- return -ENOMEM;
+ memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
cmd->cmd_id = GFX_CMD_ID_AUTOLOAD_RLC;
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
- kfree(cmd);
+
return ret;
}
--
2.38.1