Add support for logging the registers in devcoredump
buffer for vcn_v2_0.
Signed-off-by: Sunil Khatri <sunil.kha...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 34 ++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index 062651f87aa7..5c7c429f08fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -2066,6 +2066,38 @@ static int vcn_v2_0_start_sriov(struct amdgpu_device
*adev)
return vcn_v2_0_start_mmsch(adev, &adev->virt.mm_table);
}
+static void vcn_v2_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_2_0);
+ uint32_t inst_off, is_powered;
+
+ if (!adev->vcn.ip_dump)
+ return;
+
+ drm_printf(p, "num_instances:%d\n", adev->vcn.num_vcn_inst);
+ for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+ if (adev->vcn.harvest_config & (1 << i)) {
+ drm_printf(p, "\nHarvested Instance:VCN%d Skipping
dump\n", i);
+ continue;
+ }
+
+ inst_off = i * reg_count;
+ is_powered = (adev->vcn.ip_dump[inst_off] &
+ UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
+
+ 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_2_0[j].reg_name,
+ adev->vcn.ip_dump[inst_off + j]);
+ } else {
+ drm_printf(p, "\nInactive Instance:VCN%d\n", i);
+ }
+ }
+}
+
static void vcn_v2_0_dump_ip_state(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -2113,7 +2145,7 @@ static const struct amd_ip_funcs vcn_v2_0_ip_funcs = {
.set_clockgating_state = vcn_v2_0_set_clockgating_state,
.set_powergating_state = vcn_v2_0_set_powergating_state,
.dump_ip_state = vcn_v2_0_dump_ip_state,
- .print_ip_state = NULL,
+ .print_ip_state = vcn_v2_0_print_ip_state,
};
static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
--
2.34.1
