On Thu, Feb 13, 2020 at 5:17 AM Christian König <christian.koenig@xxxxxxx> wrote: > > Am 13.02.20 um 10:54 schrieb Daniel Vetter: > > On Fri, Feb 07, 2020 at 02:50:57PM -0500, Alex Deucher wrote: > >> In order to remove the load and unload drm callbacks, > >> we need to reorder the init sequence to move all the drm > >> debugfs file handling. Do this for rings. > >> > >> Acked-by: Christian König <christian.koenig@xxxxxxx> > >> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> > >> --- > >> drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 23 ++++++++++++++++++++- > >> drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 15 +++----------- > >> drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 4 ++++ > >> 3 files changed, 29 insertions(+), 13 deletions(-) > >> > >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c > >> index df3919ef886b..7379910790c9 100644 > >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c > >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c > >> @@ -1218,7 +1218,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_ib_preempt, NULL, > >> > >> int amdgpu_debugfs_init(struct amdgpu_device *adev) > >> { > >> - int r; > >> + int r, i; > >> > >> adev->debugfs_preempt = > >> debugfs_create_file("amdgpu_preempt_ib", 0600, > >> @@ -1268,12 +1268,33 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) > >> } > >> #endif > >> > >> + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { > >> + struct amdgpu_ring *ring = adev->rings[i]; > >> + > >> + if (!ring) > >> + continue; > >> + > >> + if (amdgpu_debugfs_ring_init(adev, ring)) { > >> + DRM_ERROR("Failed to register debugfs file for rings !\n"); > >> + } > >> + } > >> + > >> return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list, > >> ARRAY_SIZE(amdgpu_debugfs_list)); > >> } > >> > >> void amdgpu_debugfs_fini(struct amdgpu_device *adev) > > btw debugfs_fini shouldn't be needed anymore, Greg KH removed this all. > > drm core removes all debugfs files recusrively for you, there should be 0 > > need for debugfs cleanup. > > Oh, yes please. Removing that was on my TODO list for an eternity as well. > > > > > Also at least my tree doesn't even have this, where does this apply to? > > I would guess amd-staging-drm-next, but it might be that Alex is waiting > for the next rebase to land. > Patches are against my drm-next branch which is based on fdo drm-next. There are a number of files which the driver creates directly rather than through drm. Alex > Christian. > > > -Daniel > > > >> { > >> + int i; > >> + > >> + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { > >> + struct amdgpu_ring *ring = adev->rings[i]; > >> + > >> + if (!ring) > >> + continue; > >> + > >> + amdgpu_debugfs_ring_fini(ring); > >> + } > >> amdgpu_ttm_debugfs_fini(adev); > >> debugfs_remove(adev->debugfs_preempt); > >> } > >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c > >> index e5c83e164d82..539be138260e 100644 > >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c > >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c > >> @@ -48,9 +48,6 @@ > >> * wptr. The GPU then starts fetching commands and executes > >> * them until the pointers are equal again. > >> */ > >> -static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, > >> - struct amdgpu_ring *ring); > >> -static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring); > >> > >> /** > >> * amdgpu_ring_alloc - allocate space on the ring buffer > >> @@ -334,10 +331,6 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, > >> for (i = 0; i < DRM_SCHED_PRIORITY_MAX; ++i) > >> atomic_set(&ring->num_jobs[i], 0); > >> > >> - if (amdgpu_debugfs_ring_init(adev, ring)) { > >> - DRM_ERROR("Failed to register debugfs file for rings !\n"); > >> - } > >> - > >> return 0; > >> } > >> > >> @@ -367,8 +360,6 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring) > >> &ring->gpu_addr, > >> (void **)&ring->ring); > >> > >> - amdgpu_debugfs_ring_fini(ring); > >> - > >> dma_fence_put(ring->vmid_wait); > >> ring->vmid_wait = NULL; > >> ring->me = 0; > >> @@ -485,8 +476,8 @@ static const struct file_operations amdgpu_debugfs_ring_fops = { > >> > >> #endif > >> > >> -static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, > >> - struct amdgpu_ring *ring) > >> +int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, > >> + struct amdgpu_ring *ring) > >> { > >> #if defined(CONFIG_DEBUG_FS) > >> struct drm_minor *minor = adev->ddev->primary; > >> @@ -507,7 +498,7 @@ static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, > >> return 0; > >> } > >> > >> -static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring) > >> +void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring) > >> { > >> #if defined(CONFIG_DEBUG_FS) > >> debugfs_remove(ring->ent); > >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h > >> index 5134d0dd6dc2..0d098dafd23c 100644 > >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h > >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h > >> @@ -329,4 +329,8 @@ static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, > >> > >> int amdgpu_ring_test_helper(struct amdgpu_ring *ring); > >> > >> +int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, > >> + struct amdgpu_ring *ring); > >> +void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring); > >> + > >> #endif > >> -- > >> 2.24.1 > >> > >> _______________________________________________ > >> dri-devel mailing list > >> dri-devel@xxxxxxxxxxxxxxxxxxxxx > >> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Fdri-devel&data=02%7C01%7Cchristian.koenig%40amd.com%7C0fa2f611ed814861bf6908d7b06abf6a%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637171844839285121&sdata=ey6I%2B8fjxpNeFT%2ByFEl3rNubbG4S%2F5hdSkRdX8%2BPJLk%3D&reserved=0 > _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx