Commit ba08e9cb authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Add PSP spatial parition interface 



Add PSP ring command interface for spatial partitioning.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b6b85c8b

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

+21 −0
Original line number Diff line number Diff line
@@ -991,6 +991,27 @@ static int psp_rl_load(struct amdgpu_device *adev) 
	return ret;

}



int psp_spatial_partition(struct psp_context *psp, int mode)

{

	struct psp_gfx_cmd_resp *cmd;

	int ret;



	if (amdgpu_sriov_vf(psp->adev))

		return 0;



	cmd = acquire_psp_cmd_buf(psp);



	cmd->cmd_id = GFX_CMD_ID_SRIOV_SPATIAL_PART;

	cmd->cmd.cmd_spatial_part.mode = mode;



	dev_info(psp->adev->dev, "Requesting %d paritions through PSP", mode);

	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);



	release_psp_cmd_buf(psp);



	return ret;

}



static int psp_asd_initialize(struct psp_context *psp)

{

	int ret;

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

+2 −0
Original line number Diff line number Diff line
@@ -519,6 +519,8 @@ int psp_load_fw_list(struct psp_context *psp, 
		     struct amdgpu_firmware_info **ucode_list, int ucode_count);

void psp_copy_fw(struct psp_context *psp, uint8_t *start_addr, uint32_t bin_size);



int psp_spatial_partition(struct psp_context *psp, int mode);



int is_psp_fw_valid(struct psp_bin_desc bin);



int amdgpu_psp_sysfs_init(struct amdgpu_device *adev);

drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h

+9 −0
Original line number Diff line number Diff line
@@ -102,6 +102,7 @@ enum psp_gfx_cmd_id 
    GFX_CMD_ID_LOAD_TOC           = 0x00000020,   /* Load TOC and obtain TMR size */

    GFX_CMD_ID_AUTOLOAD_RLC       = 0x00000021,   /* Indicates all graphics fw loaded, start RLC autoload */

    GFX_CMD_ID_BOOT_CFG           = 0x00000022,   /* Boot Config */

    GFX_CMD_ID_SRIOV_SPATIAL_PART = 0x00000027,   /* Configure spatial partitioning mode */

};



/* PSP boot config sub-commands */
@@ -338,6 +339,13 @@ struct psp_gfx_cmd_boot_cfg 
    uint32_t                        boot_config_valid;    /* dynamic boot configuration valid bits bitmask */

};



struct psp_gfx_cmd_sriov_spatial_part {

	uint32_t mode;

	uint32_t override_ips;

	uint32_t override_xcds_avail;

	uint32_t override_this_aid;

};



/* All GFX ring buffer commands. */

union psp_gfx_commands

{
@@ -351,6 +359,7 @@ union psp_gfx_commands 
    struct psp_gfx_cmd_setup_tmr        cmd_setup_vmr;

    struct psp_gfx_cmd_load_toc         cmd_load_toc;

    struct psp_gfx_cmd_boot_cfg         boot_cfg;

    struct psp_gfx_cmd_sriov_spatial_part cmd_spatial_part;

};



struct psp_gfx_uresp_reserved