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drm/amdgpu: print VCN instance dump for valid instance

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VCN dump is dependent on power state of the ip. Dump is
valid if VCN was powered up at the time of ip dump.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sunil Khatri 2024-07-26 15:09:59 +05:30 committed by Alex Deucher
parent 0e4b858285
commit 076362d931
1 changed files with 18 additions and 10 deletions
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28
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
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@ -2329,7 +2329,7 @@ static void vcn_v3_0_print_ip_state(void *handle, struct drm_printer *p)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i, j;
uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_3_0);
uint32_t inst_off;
uint32_t inst_off, is_powered;
if (!adev->vcn.ip_dump)
return;
@ -2342,11 +2342,17 @@ static void vcn_v3_0_print_ip_state(void *handle, struct drm_printer *p)
}
inst_off = i * reg_count;
drm_printf(p, "\nActive Instance:VCN%d\n", i);
is_powered = (adev->vcn.ip_dump[inst_off] &
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
for (j = 0; j < reg_count; j++)
drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_3_0[j].reg_name,
adev->vcn.ip_dump[inst_off + j]);
if (is_powered) {
drm_printf(p, "\nActive Instance:VCN%d\n", i);
for (j = 0; j < reg_count; j++)
drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_3_0[j].reg_name,
adev->vcn.ip_dump[inst_off + j]);
} else {
drm_printf(p, "\nInactive Instance:VCN%d\n", i);
}
}
}
@ -2354,7 +2360,7 @@ static void vcn_v3_0_dump_ip_state(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i, j;
bool reg_safe;
bool is_powered;
uint32_t inst_off;
uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_3_0);
@ -2366,11 +2372,13 @@ static void vcn_v3_0_dump_ip_state(void *handle)
continue;
inst_off = i * reg_count;
reg_safe = (RREG32_SOC15(VCN, i, mmUVD_POWER_STATUS) &
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
/* mmUVD_POWER_STATUS is always readable and is first element of the array */
adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, mmUVD_POWER_STATUS);
is_powered = (adev->vcn.ip_dump[inst_off] &
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
if (reg_safe)
for (j = 0; j < reg_count; j++)
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_3_0[j], i));
}