drm/amdgpu/soc21: add initial GC 11.5.0 soc21 support

Disable clock gating and power gating on the early bring up phase.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 40d2373..a920bcb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -688,6 +688,12 @@ static int soc21_common_early_init(void *handle)
                adev->external_rev_id = adev->rev_id + 0x80;
                break;
 
+
+       case IP_VERSION(11, 5, 0):
+               adev->cg_flags = 0;
+               adev->pg_flags = 0;
+               adev->external_rev_id = adev->rev_id + 0x1;
+               break;
        default:
                /* FIXME: not supported yet */
                return -EINVAL;