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authorLijo Lazar <[email protected]>2023-10-10 12:49:25 +0530
committerAlex Deucher <[email protected]>2023-10-13 11:02:43 -0400
commitd4a02673b3f06502ed6fa61bb6d9afeb31b668a2 (patch)
tree003c8623dd4b9edd8d61dbbeec177fdbc574dddc
parent84ccdccce89ea610bb39d88d3f7c00212c455a35 (diff)
drm/amdgpu: Read PSPv13 OS version from register
PSP OS updates the version information in register. On APUs with PSPv13, PSP OS will already be loaded with SBIOS. Hence use the version register instead of using information in driver binary header. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Yang Wang <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/psp_v13_0.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
index b7bc00d4c696..573046702861 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
@@ -263,6 +263,12 @@ static int psp_v13_0_bootloader_load_ras_drv(struct psp_context *psp)
return psp_v13_0_bootloader_load_component(psp, &psp->ras_drv, PSP_BL__LOAD_RASDRV);
}
+static inline void psp_v13_0_init_sos_version(struct psp_context *psp)
+{
+ struct amdgpu_device *adev = psp->adev;
+
+ psp->sos.fw_version = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_58);
+}
static int psp_v13_0_bootloader_load_sos(struct psp_context *psp)
{
@@ -273,8 +279,10 @@ static int psp_v13_0_bootloader_load_sos(struct psp_context *psp)
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
- if (psp_v13_0_is_sos_alive(psp))
+ if (psp_v13_0_is_sos_alive(psp)) {
+ psp_v13_0_init_sos_version(psp);
return 0;
+ }
ret = psp_v13_0_wait_for_bootloader(psp);
if (ret)
@@ -298,6 +306,9 @@ static int psp_v13_0_bootloader_load_sos(struct psp_context *psp)
RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81),
0, true);
+ if (!ret)
+ psp_v13_0_init_sos_version(psp);
+
return ret;
}