From: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Date: Fri, 18 Jul 2025 06:48:30 +0000 (+0530)
Subject: drm/amdgpu/vcn: Register dump cleanup in VCN4_0_0
X-Git-Tag: v6.18-rc1~134^2~19^2~189
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4e011af912fb51e1b0d12f22e6d6b883b6a700e7;p=thirdparty%2Flinux.git

drm/amdgpu/vcn: Register dump cleanup in VCN4_0_0

Use generic vcn devcoredump helper functions for VCN4_0_0

Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index e9f9cb1690348..1785786a72f8e 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -183,8 +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++) {
 		if (adev->vcn.harvest_config & (1 << i))
@@ -255,14 +253,9 @@ 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 +308,6 @@ static int vcn_v4_0_sw_fini(struct amdgpu_ip_block *ip_block)
 			return r;
 	}
 
-	kfree(adev->vcn.ip_dump);
-
 	return 0;
 }
 
@@ -2252,67 +2243,6 @@ 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,
@@ -2326,8 +2256,8 @@ 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 = {