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authorLikun Gao <Likun.Gao@amd.com>2026-02-26 08:11:27 +0300
committerAlex Deucher <alexander.deucher@amd.com>2026-03-11 20:58:08 +0300
commit57f765a7ef090c31a60b3e9b75236bb652c41dba (patch)
tree554cfe53555e4c2d028f6a0ca6cecac4c8a24cdb
parentc52b6c3709258760bd0950a75e02195811203da1 (diff)
downloadlinux-57f765a7ef090c31a60b3e9b75236bb652c41dba.tar.xz
drm/amdgpu: change sdma doorbell size for soc v1
Change SDMA doorbel size to 14 per SDMA engine. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc_v1_0.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c b/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
index 90a69ef41c4b..0c7759b82fa6 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
@@ -57,7 +57,7 @@ static void soc_v1_0_doorbell_index_init(struct amdgpu_device *adev)
adev->doorbell_index.userqueue_end = AMDGPU_SOC_V1_0_DOORBELL_USERQUEUE_END;
adev->doorbell_index.xcc_doorbell_range = AMDGPU_SOC_V1_0_DOORBELL_XCC_RANGE;
- adev->doorbell_index.sdma_doorbell_range = 20;
+ adev->doorbell_index.sdma_doorbell_range = 14;
for (i = 0; i < adev->sdma.num_instances; i++)
adev->doorbell_index.sdma_engine[i] =
AMDGPU_SOC_V1_0_DOORBELL_sDMA_ENGINE_START +