[PATCH 03/13] drm/amdgpu: correct VCN V5_0_2 doorbell range_size
<[email protected]> Sun, 9 Aug 2026 23:36:34 -0400
| Newsgroups | org.freedesktop.lists.amd-gfx |
|---|---|
| Message-ID | <[email protected]> |
From: Sonny Jiang <[email protected]> Each VCN 5.0.2 instance has 1 VCN ring and 10 JPEG rings, requiring 11 consecutive doorbells. Increase the NBIO doorbell range size from 8 to 11 to cover the full ring set. Signed-off-by: Sonny Jiang <[email protected]> Reviewed-by: Boyuan Zhang <[email protected]> --- drivers/gpu/drm/amd/amdgpu/nbio_v6_3_2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_3_2.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_3_2.c index 5e8f466f23ad..d249011b2cf7 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_3_2.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_3_2.c @@ -266,7 +266,7 @@ static void nbio_v6_3_2_vcn_doorbell_range(struct amdgpu_device *adev, doorbell_range = REG_SET_FIELD(doorbell_range, GDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL, S2A_DOORBELL_PORT2_RANGE_SIZE, - 8); + 11); doorbell_range = REG_SET_FIELD(doorbell_range, GDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL, S2A_DOORBELL_PORT2_AWADDR_31_28_VALUE, -- 2.43.0