[AMD Official Use Only - General]
-----Original Message-----
From: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Sent: Tuesday, January 2, 2024 11:45 AM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Zhou1, Tao <Tao.Zhou1@xxxxxxx>; Yang, Stanley <Stanley.Yang@xxxxxxx>; Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>; Chai, Thomas <YiPeng.Chai@xxxxxxx>; Li, Candice <Candice.Li@xxxxxxx>
Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Lazar, Lijo <Lijo.Lazar@xxxxxxx>; Ma, Le <Le.Ma@xxxxxxx>
Subject: [PATCH 2/3] drm/amdgpu: Query ras capablity from psp
Instead of traditional atomfirmware interfaces for RAS capability, host driver can query ras capability from psp starting from psp v13_0_6.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 13 +++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 2 ++ drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 26 +++++++++++++++++++++++++
3 files changed, 41 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 94b536e3cada..8a3847d3041f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2125,6 +2125,19 @@ int amdgpu_psp_wait_for_bootloader(struct amdgpu_device *adev)
return ret;
}
+bool amdgpu_psp_get_ras_capability(struct psp_context *psp) {
+ bool ret;
+
+ if (psp->funcs &&
+ psp->funcs->get_ras_capability) {
+ ret = psp->funcs->get_ras_capability(psp);
+ return ret;
[kevin]:
This variable 'ret' seems to have no other purpose, can we remove it and return directly ?
Best Regards,
Kevin
+ } else {
+ return false;
+ }
+}
+
static int psp_hw_start(struct psp_context *psp) {
struct amdgpu_device *adev = psp->adev; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 09d1f8f72a9c..652b0a01854a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -134,6 +134,7 @@ struct psp_funcs {
int (*update_spirom)(struct psp_context *psp, uint64_t fw_pri_mc_addr);
int (*vbflash_stat)(struct psp_context *psp);
int (*fatal_error_recovery_quirk)(struct psp_context *psp);
+ bool (*get_ras_capability)(struct psp_context *psp);
};
struct ta_funcs {
@@ -537,4 +538,5 @@ int psp_spatial_partition(struct psp_context *psp, int mode); int is_psp_fw_valid(struct psp_bin_desc bin);
int amdgpu_psp_wait_for_bootloader(struct amdgpu_device *adev);
+bool amdgpu_psp_get_ras_capability(struct psp_context *psp);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
index 676bec2cc157..722b6066ce07 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
@@ -27,6 +27,7 @@
#include "amdgpu_ucode.h"
#include "soc15_common.h"
#include "psp_v13_0.h"
+#include "amdgpu_ras.h"
#include "mp/mp_13_0_2_offset.h"
#include "mp/mp_13_0_2_sh_mask.h"
@@ -770,6 +771,30 @@ static int psp_v13_0_fatal_error_recovery_quirk(struct psp_context *psp)
return 0;
}
+static bool psp_v13_0_get_ras_capability(struct psp_context *psp) {
+ struct amdgpu_device *adev = psp->adev;
+ struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+ u32 reg_data;
+
+ /* query ras cap should be done from host side */
+ if (amdgpu_sriov_vf(adev))
+ return false;
+
+ if (!con)
+ return false;
+
+ if ((amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6)) &&
+ (!(adev->flags & AMD_IS_APU))) {
+ reg_data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_127);
+ adev->ras_hw_enabled = (reg_data & GENMASK_ULL(23, 0));
+ con->poison_supported = ((reg_data & GENMASK_ULL(24, 24)) >> 24) ? true : false;
+ return true;
+ } else {
+ return false;
+ }
+}
+
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,
@@ -792,6 +817,7 @@ static const struct psp_funcs psp_v13_0_funcs = {
.update_spirom = psp_v13_0_update_spirom,
.vbflash_stat = psp_v13_0_vbflash_status,
.fatal_error_recovery_quirk = psp_v13_0_fatal_error_recovery_quirk,
+ .get_ras_capability = psp_v13_0_get_ras_capability,
};
void psp_v13_0_set_psp_funcs(struct psp_context *psp)
--
2.17.1
