On 2018-06-17 04:52 AM, Stefan Agner wrote: > Explicitly use the first uvd instance to avoid a build error when > using clang 6: > drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:1148:52: error: expected ')' > container_of(work, struct amdgpu_device, uvd.inst->idle_work.work); > ^ > drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:1148:3: note: to match this '(' > container_of(work, struct amdgpu_device, uvd.inst->idle_work.work); > ^ > ./include/linux/kernel.h:967:21: note: expanded from macro 'container_of' > ((type *)(__mptr - offsetof(type, member))); }) > ^ > ./include/linux/stddef.h:17:32: note: expanded from macro 'offsetof' > ^ > ./include/linux/compiler-gcc.h:170:20: note: expanded from macro > '__compiler_offsetof' > __builtin_offsetof(a, b) > ^ > drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:1147:24: error: initializing > 'struct amdgpu_device *' with an expression of incompatible type 'void' > struct amdgpu_device *adev = > ^ > 2 errors generated. > > Fixes: 10dd74eac4db ("drm/amdgpu/vg20:Restruct uvd.inst to support multiple instances") > Cc: James Zhu <James.Zhu at amd.com> > Signed-off-by: Stefan Agner <stefan at agner.ch> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c > index bcf68f80bbf0..6666a5888c44 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c > @@ -1145,7 +1145,7 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, > static void amdgpu_uvd_idle_work_handler(struct work_struct *work) > { > struct amdgpu_device *adev = > - container_of(work, struct amdgpu_device, uvd.inst->idle_work.work); > + container_of(work, struct amdgpu_device, uvd.inst[0].idle_work.work); Hi Alex, If all instances share one idle work from hardware view currently and in the future , should we move struct delayed_work idle_work from struct amdgpu_uvd_inst to struct amdgpu_uvd? James > unsigned fences = 0, i, j; > > for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {