diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v13_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c index 10b17bd5aebe..469eed084976 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -133,12 +133,32 @@ static bool psp_v13_0_is_sos_alive(struct psp_context *psp) return sol_reg != 0x0; } -static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) +static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; + int retry_loop, ret; - int ret; - int retry_loop; + for (retry_loop = 0; retry_loop < 70; retry_loop++) { + /* Wait for bootloader to signify that is + ready having bit 31 of C2PMSG_33 set to 1 */ + ret = psp_wait_for( + psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_33), + 0x80000000, 0xffffffff, false); + + if (ret == 0) + break; + } + + if (ret) + dev_warn(adev->dev, "Bootloader wait timed out"); + + return ret; +} + +static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + int retry_loop, ret; /* Wait for bootloader to signify that it is ready having bit 31 of * C2PMSG_35 set to 1. All other bits are expected to be cleared. @@ -157,6 +177,19 @@ static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) return ret; } +static int psp_v13_0_wait_for_bootloader_steady_state(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + + if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 6)) { + psp_v13_0_wait_for_vmbx_ready(psp); + + return psp_v13_0_wait_for_bootloader(psp); + } + + return 0; +} + static int psp_v13_0_bootloader_load_component(struct psp_context *psp, struct psp_bin_desc *bin_desc, enum psp_bootloader_cmd bl_cmd) @@ -714,6 +747,7 @@ static int psp_v13_0_fatal_error_recovery_quirk(struct psp_context *psp) static const struct psp_funcs psp_v13_0_funcs = { .init_microcode = psp_v13_0_init_microcode, + .wait_for_bootloader = psp_v13_0_wait_for_bootloader_steady_state, .bootloader_load_kdb = psp_v13_0_bootloader_load_kdb, .bootloader_load_spl = psp_v13_0_bootloader_load_spl, .bootloader_load_sysdrv = psp_v13_0_bootloader_load_sysdrv, |