Initialize VCN RAS structure and add RAS status query function.
Signed-off-by: Tao Zhou <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 60 +++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.h | 6 +++
2 files changed, 66 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 897a5ce9c9da..b067fb63010e 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -31,6 +31,7 @@
#include "soc15_hw_ip.h"
#include "vcn_v2_0.h"
#include "mmsch_v4_0.h"
+#include "vcn_v4_0.h"
#include "vcn/vcn_4_0_0_offset.h"
#include "vcn/vcn_4_0_0_sh_mask.h"
@@ -64,6 +65,7 @@ static int vcn_v4_0_set_powergating_state(void *handle,
static int vcn_v4_0_pause_dpg_mode(struct amdgpu_device *adev,
int inst_idx, struct dpg_pause_state *new_state);
static void vcn_v4_0_unified_ring_set_wptr(struct amdgpu_ring *ring);
+static void vcn_v4_0_set_ras_funcs(struct amdgpu_device *adev);
/**
* vcn_v4_0_early_init - set function pointers
@@ -84,6 +86,7 @@ static int vcn_v4_0_early_init(void *handle)
vcn_v4_0_set_unified_ring_funcs(adev);
vcn_v4_0_set_irq_funcs(adev);
+ vcn_v4_0_set_ras_funcs(adev);
return 0;
}
@@ -2001,3 +2004,60 @@ const struct amdgpu_ip_block_version vcn_v4_0_ip_block =
.rev = 0,
.funcs = &vcn_v4_0_ip_funcs,
};
+
+static uint32_t vcn_v4_0_query_poison_by_instance(struct amdgpu_device *adev,
+ uint32_t instance, uint32_t sub_block)
+{
+ uint32_t poison_stat = 0, reg_value = 0;
+
+ switch (sub_block) {
+ case AMDGPU_VCN_V4_0_VCPU_VCODEC:
+ reg_value = RREG32_SOC15(VCN, instance,
regUVD_RAS_VCPU_VCODEC_STATUS);
+ poison_stat = REG_GET_FIELD(reg_value,
UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF);
+ break;
+ default:
+ break;
+ }
+
+ if (poison_stat)
+ dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n",
+ instance, sub_block);
+
+ return poison_stat;
+}
+
+static bool vcn_v4_0_query_ras_poison_status(struct amdgpu_device *adev)
+{
+ uint32_t inst, sub;
+ uint32_t poison_stat = 0;
+
+ for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++)
+ for (sub = 0; sub < AMDGPU_VCN_V4_0_MAX_SUB_BLOCK; sub++)
+ poison_stat +=
+ vcn_v4_0_query_poison_by_instance(adev, inst,
sub);
+
+ return !!poison_stat;
+}
+
+const struct amdgpu_ras_block_hw_ops vcn_v4_0_ras_hw_ops = {
+ .query_poison_status = vcn_v4_0_query_ras_poison_status,
+};
+
+static struct amdgpu_vcn_ras vcn_v4_0_ras = {
+ .ras_block = {
+ .hw_ops = &vcn_v4_0_ras_hw_ops,
+ },
+};
+
+static void vcn_v4_0_set_ras_funcs(struct amdgpu_device *adev)
+{
+ switch (adev->ip_versions[VCN_HWIP][0]) {
+ case IP_VERSION(4, 0, 0):
+ adev->vcn.ras = &vcn_v4_0_ras;
+ break;
+ default:
+ break;
+ }
+
+ amdgpu_vcn_set_ras_funcs(adev);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.h
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.h
index 7c5c9d91bb52..7d3d11f40f27 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.h
@@ -24,6 +24,12 @@
#ifndef __VCN_V4_0_H__
#define __VCN_V4_0_H__
+enum amdgpu_vcn_v4_0_sub_block {
+ AMDGPU_VCN_V4_0_VCPU_VCODEC = 0,
+
+ AMDGPU_VCN_V4_0_MAX_SUB_BLOCK,
+};
+
extern const struct amdgpu_ip_block_version vcn_v4_0_ip_block;
#endif /* __VCN_V4_0_H__ */
--
2.35.1
