drm/amdgpu/psp: add helper function to invoke xgmi ta per ta cmd_id (ca6e1e59) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

+36 −0

Original line number	Diff line number	Diff line
		@@ -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 −0

Original line number	Diff line number	Diff line
		@@ -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