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drm/amd/display: Enable DM for DCN 4.2.1

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[Why & How]
Add DM IP block to amdgpu_discovery

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Matthew Stewart <Matthew.Stewart2@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Matthew Stewart 2026-05-18 21:14:20 -04:00 committed by Alex Deucher
parent 14b7d1291d
commit c2630fdd65
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
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@ -2399,6 +2399,7 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev)
case IP_VERSION(3, 6, 0):
case IP_VERSION(4, 1, 0):
case IP_VERSION(4, 2, 0):
case IP_VERSION(4, 2, 1):
/* TODO: Fix IP version. DC code expects version 4.0.1 */
if (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(4, 1, 0))
adev->ip_versions[DCE_HWIP][0] = IP_VERSION(4, 0, 1);