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From e86be994a4d0dab0e0cd705369031d7152ba42fc Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Fri, 28 Sep 2018 15:01:57 +0800
Subject: [PATCH 0760/2940] drm/amdgpu/psp: add helper function to invoke xgmi
ta per ta cmd_id
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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 3 +++
2 files changed, 39 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index e9d100b80b65..c4dc935e2f80 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -375,6 +375,42 @@ 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;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 26f17d9fcd4c..000e12b437f0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -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
--
2.17.1
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