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drm/amdgpu: Add PSP spatial parition interface 

Add PSP ring command interface for spatial partitioning.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2023-03-10 15:38:19 +05:30 committed by Alex Deucher
parent b6b85c8b43
commit ba08e9cb6f
3 changed files with 32 additions and 0 deletions
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21
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View File

@ -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;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
View File

@ -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);

9
drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
View File

@ -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