From 3671563d593e56d951774aab13c3dd33c535f181 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 29 Mar 2022 18:04:15 -0400
Subject: drm/amdgpu/discovery: handle UMC harvesting in IP discovery
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Git-commit: 478d338bb0ca49f4974436f6e005d3816dcba115
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Check the harvesting table to determing if any UMC blocks have
been harvested.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 233e03f5f072..c16239e47141 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -436,7 +436,8 @@ static void amdgpu_discovery_read_harvest_bit_per_ip(struct amdgpu_device *adev,
}
static void amdgpu_discovery_read_from_harvest_table(struct amdgpu_device *adev,
- uint32_t *vcn_harvest_count)
+ uint32_t *vcn_harvest_count,
+ uint32_t *umc_harvest_count)
{
struct binary_header *bhdr;
struct harvest_table *harvest_info;
@@ -460,6 +461,9 @@ static void amdgpu_discovery_read_from_harvest_table(struct amdgpu_device *adev,
case DMU_HWID:
adev->harvest_ip_mask |= AMD_HARVEST_IP_DMU_MASK;
break;
+ case UMC_HWID:
+ (*umc_harvest_count)++;
+ break;
default:
break;
}
@@ -1126,6 +1130,7 @@ int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id, int n
void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
{
int vcn_harvest_count = 0;
+ int umc_harvest_count = 0;
/*
* Harvest table does not fit Navi1x and legacy GPUs,
@@ -1144,7 +1149,8 @@ void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
&vcn_harvest_count);
} else {
amdgpu_discovery_read_from_harvest_table(adev,
- &vcn_harvest_count);
+ &vcn_harvest_count,
+ &umc_harvest_count);
}
amdgpu_discovery_harvest_config_quirk(adev);
@@ -1153,6 +1159,10 @@ void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
adev->harvest_ip_mask |= AMD_HARVEST_IP_VCN_MASK;
adev->harvest_ip_mask |= AMD_HARVEST_IP_JPEG_MASK;
}
+
+ if (umc_harvest_count < adev->gmc.num_umc) {
+ adev->gmc.num_umc -= umc_harvest_count;
+ }
}
union gc_info {
--
2.38.1