aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 25d2f3e757f1..a18a8c91d52b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -118,21 +118,25 @@ int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
static int
psp_cmd_submit_buf(struct psp_context *psp,
struct amdgpu_firmware_info *ucode,
- struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr,
- int index)
+ struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr)
{
int ret;
+ int index;
memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
memcpy(psp->cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
+ index = atomic_inc_return(&psp->fence_value);
ret = psp_cmd_submit(psp, ucode, psp->cmd_buf_mc_addr,
fence_mc_addr, index);
+ if (ret) {
+ atomic_dec(&psp->fence_value);
+ return ret;
+ }
- while (*((unsigned int *)psp->fence_buf) != index) {
+ while (*((unsigned int *)psp->fence_buf) != index)
msleep(1);
- }
/* the status field must be 0 after FW is loaded */
if (ucode && psp->cmd_buf_mem->resp.status) {
@@ -191,7 +195,7 @@ static int psp_tmr_load(struct psp_context *psp)
PSP_TMR_SIZE, psp->tmr_mc_addr);
ret = psp_cmd_submit_buf(psp, NULL, cmd,
- psp->fence_buf_mc_addr, 1);
+ psp->fence_buf_mc_addr);
if (ret)
goto failed;
@@ -258,7 +262,7 @@ static int psp_asd_load(struct psp_context *psp)
psp->asd_ucode_size, PSP_ASD_SHARED_MEM_SIZE);
ret = psp_cmd_submit_buf(psp, NULL, cmd,
- psp->fence_buf_mc_addr, 2);
+ psp->fence_buf_mc_addr);
kfree(cmd);
@@ -321,7 +325,7 @@ static int psp_np_fw_load(struct psp_context *psp)
return ret;
ret = psp_cmd_submit_buf(psp, ucode, psp->cmd,
- psp->fence_buf_mc_addr, i + 3);
+ psp->fence_buf_mc_addr);
if (ret)
return ret;