Re: [PATCH] drm/amdgpu/discovery: Enable DM for DCN42

[Alex Deucher]

On Wed, Feb 18, 2026 at 11:29 AM <roman...@amd.com> wrote:
>
> From: Roman Li <roman...@amd.com>
>
> Add DM ipblock for 4.2.0 DCE_HWIP
>
> Signed-off-by: Roman Li <roman...@amd.com>

Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> index fc8c1f36be58..2f032a7d8e82 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> @@ -2301,6 +2301,7 @@ static int 
> amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev)
>                 case IP_VERSION(3, 5, 1):
>                 case IP_VERSION(3, 6, 0):
>                 case IP_VERSION(4, 1, 0):
> +               case IP_VERSION(4, 2, 0):
>                         /* 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);
> --
> 2.34.1
>