[PATCH 3/8] drm/amdgpu/vcn: Register dump cleanup in VCN4_0_0
Sathishkumar S
sathishkumar.sundararaju at amd.com
Fri Jul 18 13:45:39 UTC 2025
Use generic vcn devcoredump helper functions for VCN4_0_0
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju at amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 79 ++-------------------------
1 file changed, 5 insertions(+), 74 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index f642a06a77b5..a490c697fa53 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -183,7 +183,6 @@ static int vcn_v4_0_sw_init(struct amdgpu_ip_block *ip_block)
struct amdgpu_ring *ring;
struct amdgpu_device *adev = ip_block->adev;
int i, r;
- uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0);
uint32_t *ptr;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
@@ -255,14 +254,9 @@ static int vcn_v4_0_sw_init(struct amdgpu_ip_block *ip_block)
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;
- }
+ r = amdgpu_vcn_reg_dump_init(adev, vcn_reg_list_4_0, ARRAY_SIZE(vcn_reg_list_4_0));
+ if (r)
+ return r;
r = amdgpu_vcn_sysfs_reset_mask_init(adev);
if (r)
@@ -315,8 +309,6 @@ static int vcn_v4_0_sw_fini(struct amdgpu_ip_block *ip_block)
return r;
}
- kfree(adev->vcn.ip_dump);
-
return 0;
}
@@ -2249,67 +2241,6 @@ static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev)
}
}
-static void vcn_v4_0_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p)
-{
- struct amdgpu_device *adev = ip_block->adev;
- int i, j;
- uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_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_4_0[j].reg_name,
- adev->vcn.ip_dump[inst_off + j]);
- } else {
- drm_printf(p, "\nInactive Instance:VCN%d\n", i);
- }
- }
-}
-
-static void vcn_v4_0_dump_ip_state(struct amdgpu_ip_block *ip_block)
-{
- struct amdgpu_device *adev = ip_block->adev;
- 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,
@@ -2323,8 +2254,8 @@ static const struct amd_ip_funcs vcn_v4_0_ip_funcs = {
.wait_for_idle = vcn_v4_0_wait_for_idle,
.set_clockgating_state = vcn_v4_0_set_clockgating_state,
.set_powergating_state = vcn_set_powergating_state,
- .dump_ip_state = vcn_v4_0_dump_ip_state,
- .print_ip_state = vcn_v4_0_print_ip_state,
+ .dump_ip_state = amdgpu_vcn_dump_ip_state,
+ .print_ip_state = amdgpu_vcn_print_ip_state,
};
const struct amdgpu_ip_block_version vcn_v4_0_ip_block = {
--
2.48.1
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