drm/amdgpu/sriov: Remove clear vf fw support

PSP clear_vf_fw feature is outdated and has been removed.
Remove the related functions.
Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -417,26 +417,6 @@ static int psp_tmr_init(struct psp_context *psp)
 	return ret;
 }
 
-static int psp_clear_vf_fw(struct psp_context *psp)
-{
-	int ret;
-	struct psp_gfx_cmd_resp *cmd;
-
-	if (!amdgpu_sriov_vf(psp->adev) || psp->adev->asic_type != CHIP_NAVI12)
-		return 0;
-
-	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
-	if (!cmd)
-		return -ENOMEM;
-
-	cmd->cmd_id = GFX_CMD_ID_CLEAR_VF_FW;
-
-	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
-	kfree(cmd);
-
-	return ret;
-}
-
 static bool psp_skip_tmr(struct psp_context *psp)
 {
 	switch (psp->adev->asic_type) {
@@ -1925,12 +1905,6 @@ static int psp_hw_start(struct psp_context *psp)
 		return ret;
 	}
 
-	ret = psp_clear_vf_fw(psp);
-	if (ret) {
-		DRM_ERROR("PSP clear vf fw!\n");
-		return ret;
-	}
-
 	ret = psp_boot_config_set(adev);
 	if (ret) {
 		DRM_WARN("PSP set boot config@\n");
@@ -2439,7 +2413,6 @@ static int psp_hw_fini(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	struct psp_context *psp = &adev->psp;
-	int ret;
 
 	if (psp->adev->psp.ta_fw) {
 		psp_ras_terminate(psp);
@@ -2450,11 +2423,6 @@ static int psp_hw_fini(void *handle)
 	}
 
 	psp_asd_unload(psp);
-	ret = psp_clear_vf_fw(psp);
-	if (ret) {
-		DRM_ERROR("PSP clear vf fw!\n");
-		return ret;
-	}
 
 	psp_tmr_terminate(psp);
 	psp_ring_destroy(psp, PSP_RING_TYPE__KM);

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

@@ -97,7 +97,6 @@ enum psp_gfx_cmd_id
     GFX_CMD_ID_SETUP_VMR          = 0x00000009,   /* setup VMR region */
     GFX_CMD_ID_DESTROY_VMR        = 0x0000000A,   /* destroy VMR region */
     GFX_CMD_ID_PROG_REG           = 0x0000000B,   /* program regs */
-    GFX_CMD_ID_CLEAR_VF_FW        = 0x0000000D,   /* Clear VF FW, to be used on VF shutdown. */
     GFX_CMD_ID_GET_FW_ATTESTATION = 0x0000000F,   /* Query GPUVA of the Fw Attestation DB */
     /* IDs upto 0x1F are reserved for older programs (Raven, Vega 10/12/20) */
     GFX_CMD_ID_LOAD_TOC           = 0x00000020,   /* Load TOC and obtain TMR size */