From 38615caea76e7fba3841a9e870b216b2d062bfb1 Mon Sep 17 00:00:00 2001
From: Lang Yu <Lang.Yu@amd.com>
Date: Thu, 20 Jan 2022 14:01:29 +0800
Subject: drm/amdgpu: enable amdgpu_dc module parameter
Git-commit: 6a6c2ab687c8eabaec4a55a4f13eb5ee68181403
Patch-mainline: v5.18-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
It doesn't work under IP discovery mode. Make it work!
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Alex Deucher <aleander.deucher@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 | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index e6a26b554254..8dd15a7b8dcc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -846,8 +846,14 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev)
{
if (adev->enable_virtual_display || amdgpu_sriov_vf(adev)) {
amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
+ return 0;
+ }
+
+ if (!amdgpu_device_has_dc_support(adev))
+ return 0;
+
#if defined(CONFIG_DRM_AMD_DC)
- } else if (adev->ip_versions[DCE_HWIP][0]) {
+ if (adev->ip_versions[DCE_HWIP][0]) {
switch (adev->ip_versions[DCE_HWIP][0]) {
case IP_VERSION(1, 0, 0):
case IP_VERSION(1, 0, 1):
@@ -882,8 +888,8 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev)
adev->ip_versions[DCI_HWIP][0]);
return -EINVAL;
}
-#endif
}
+#endif
return 0;
}
--
2.38.1