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drm/amdgpu: add vcn_v4_0 ip dump support

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Add support of vcn ip dump in the devcoredump
for vcn_v4_0.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sunil Khatri 2024-08-05 12:31:21 +05:30 committed by Alex Deucher
parent 8962915044
commit 9d87dac3f9
1 changed files with 79 additions and 1 deletions
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80
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
View File

@ -52,6 +52,42 @@
#define RDECODE_MSG_CREATE 0x00000000
#define RDECODE_MESSAGE_CREATE 0x00000001
static const struct amdgpu_hwip_reg_entry vcn_reg_list_4_0[] = {
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_POWER_STATUS),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_STATUS),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID2),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA0),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA1),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_CMD),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI2),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO2),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI3),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO3),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI4),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO4),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR2),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR2),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR3),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR3),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR4),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR4),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE2),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE3),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE4),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_PGFSM_CONFIG),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_PGFSM_STATUS),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_CTL),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_DATA),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_MASK),
SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_PAUSE)
};
static int amdgpu_ih_clientid_vcns[] = {
SOC15_IH_CLIENTID_VCN,
SOC15_IH_CLIENTID_VCN1
@ -137,6 +173,8 @@ static int vcn_v4_0_sw_init(void *handle)
struct amdgpu_ring *ring;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i, r;
uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0);
uint32_t *ptr;
r = amdgpu_vcn_sw_init(adev);
if (r)
@ -200,6 +238,15 @@ static int vcn_v4_0_sw_init(void *handle)
if (r)
return r;
/* Allocate memory for VCN IP Dump buffer */
ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL);
if (!ptr) {
DRM_ERROR("Failed to allocate memory for VCN IP Dump\n");
adev->vcn.ip_dump = NULL;
} else {
adev->vcn.ip_dump = ptr;
}
return 0;
}
@ -239,6 +286,8 @@ static int vcn_v4_0_sw_fini(void *handle)
r = amdgpu_vcn_sw_fini(adev);
kfree(adev->vcn.ip_dump);
return r;
}
@ -2109,6 +2158,35 @@ static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev)
}
}
static void vcn_v4_0_dump_ip_state(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i, j;
bool is_powered;
uint32_t inst_off;
uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0);
if (!adev->vcn.ip_dump)
return;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (adev->vcn.harvest_config & (1 << i))
continue;
inst_off = i * reg_count;
/* mmUVD_POWER_STATUS is always readable and is first element of the array */
adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, regUVD_POWER_STATUS);
is_powered = (adev->vcn.ip_dump[inst_off] &
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
if (is_powered)
for (j = 1; j < reg_count; j++)
adev->vcn.ip_dump[inst_off + j] =
RREG32(SOC15_REG_ENTRY_OFFSET_INST(vcn_reg_list_4_0[j],
i));
}
}
static const struct amd_ip_funcs vcn_v4_0_ip_funcs = {
.name = "vcn_v4_0",
.early_init = vcn_v4_0_early_init,
@ -2127,7 +2205,7 @@ static const struct amd_ip_funcs vcn_v4_0_ip_funcs = {
.post_soft_reset = NULL,
.set_clockgating_state = vcn_v4_0_set_clockgating_state,
.set_powergating_state = vcn_v4_0_set_powergating_state,
.dump_ip_state = NULL,
.dump_ip_state = vcn_v4_0_dump_ip_state,
.print_ip_state = NULL,
};