[PATCH 2/3] drm/amdgpu/soc21: add initial GC 11.5.0 soc21 support

Alex Deucher alexander.deucher at amd.com
Wed Aug 16 21:47:53 UTC 2023


From: Prike Liang <Prike.Liang at amd.com>

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

Signed-off-by: Prike Liang <Prike.Liang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/soc21.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 40d23738ee4e..a920bcb9f5b3 100644
--- 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;
-- 
2.41.0



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