[PATCH 06/36] drm/amdgpu/sdma5: init engine reset mutex

[Zhang, Jesse(Jie)]

[AMD Official Use Only - AMD Internal Distribution Only]

This patch is Reviewed-by: Jesse Zhang <Jesse.Zhang at amd.com>

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Tuesday, June 17, 2025 11:08 AM
To: amd-gfx at lists.freedesktop.org; Koenig, Christian <Christian.Koenig at amd.com>; Sundararaju, Sathishkumar <Sathishkumar.Sundararaju at amd.com>
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH 06/36] drm/amdgpu/sdma5: init engine reset mutex

Missing the mutex init.

Fixes: e56d4bf57fab ("drm/amdgpu/: drm/amdgpu: Register the new sdma function pointers for sdma_v5_0")
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
index 2d94aadc31149..37f4b5b4a098f 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -1399,6 +1399,7 @@ static int sdma_v5_0_sw_init(struct amdgpu_ip_block *ip_block)
                return r;

        for (i = 0; i < adev->sdma.num_instances; i++) {
+               mutex_init(&adev->sdma.instance[i].engine_reset_mutex);
                adev->sdma.instance[i].funcs = &sdma_v5_0_sdma_funcs;
                ring = &adev->sdma.instance[i].ring;
                ring->ring_obj = NULL;
--
2.49.0