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drm/amdgpu/psp: add helper function to invoke xgmi ta per ta cmd_id

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psp_xgmi_invoke is the helper function to issue ta cmd to firmware

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2018-09-28 15:01:57 +08:00 committed by Alex Deucher
parent 4de5f0055a
commit ca6e1e59a2
2 changed files with 39 additions and 0 deletions
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36
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View file

@ -369,6 +369,42 @@ static int psp_xgmi_unload(struct psp_context *psp)
return ret;
}
static void psp_prep_xgmi_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t ta_cmd_id,
uint32_t xgmi_session_id)
{
cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD;
cmd->cmd.cmd_invoke_cmd.session_id = xgmi_session_id;
cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
/* Note: cmd_invoke_cmd.buf is not used for now */
}
int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
{
int ret;
struct psp_gfx_cmd_resp *cmd;
/*
* TODO: bypass the loading in sriov for now
*/
if (amdgpu_sriov_vf(psp->adev))
return 0;
cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
if (!cmd)
return -ENOMEM;
psp_prep_xgmi_ta_invoke_cmd_buf(cmd, ta_cmd_id,
psp->xgmi_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd,
psp->fence_buf_mc_addr);
kfree(cmd);
return ret;
}
static int psp_hw_start(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;

3
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
View file

@ -27,6 +27,7 @@
#include "amdgpu.h"
#include "psp_gfx_if.h"
#include "ta_xgmi_if.h"
#define PSP_FENCE_BUFFER_SIZE 0x1000
#define PSP_CMD_BUFFER_SIZE 0x1000
@ -218,6 +219,8 @@ extern int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
extern const struct amdgpu_ip_block_version psp_v10_0_ip_block;
int psp_gpu_reset(struct amdgpu_device *adev);
int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
extern const struct amdgpu_ip_block_version psp_v11_0_ip_block;
#endif