linux/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c, branch v6.17

drm/amdgpu: track ring state associated with a fence

2025-07-16T20:14:11Z

We need to know the wptr and sequence number associated with a fence so that we can re-emit the unprocessed state after a ring reset. Pre-allocate storage space for the ring buffer contents and add helpers to save off and re-emit the unprocessed state so that it can be re-emitted after the queue is reset. Reviewed-by: Christian König Signed-off-by: Alex Deucher

Merge tag 'amd-drm-next-6.17-2025-07-01' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

2025-07-04T00:06:29Z

amd-drm-next-6.17-2025-07-01: amdgpu: - FAMS2 fixes - OLED fixes - Misc cleanups - AUX fixes - DMCUB updates - SR-IOV hibernation support - RAS updates - DP tunneling fixes - DML2 fixes - Backlight improvements - Suspend improvements - Use scaling for non-native modes on eDP - SDMA 4.4.x fixes - PCIe DPM fixes - SDMA 5.x fixes - Cleaner shader updates for GC 9.x - Remove fence slab - ISP genpd support - Parition handling rework - SDMA FW checks for userq support - Add missing firmware declaration - Fix leak in amdgpu_ctx_mgr_entity_fini() - Freesync fix - Ring reset refactoring - Legacy dpm verbosity changes amdkfd: - GWS fix - mtype fix for ext coherent system memory - MMU notifier fix - gfx7/8 fix radeon: - CS validation support for additional GL extensions - Bump driver version for new CS validation checks From: Alex Deucher Link: https://lore.kernel.org/r/20250701194707.32905-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie

drm/amdgpu: remove job parameter from amdgpu_fence_emit()

2025-06-30T15:57:06Z

What we actually care about is the amdgpu_fence object so pass that in explicitly to avoid possible mistakes in the future. The job_run_counter handling can be safely removed at this point as we no longer support job resubmission. Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: Convert from DRM_* to dev_*

2025-06-30T15:54:55Z

Convert from generic DRM_* to dev_* calls to have device context info. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher

drm/amdgpu: remove fence slab

2025-06-24T14:00:03Z

Just use kmalloc for the fences in the rare case we need an independent fence. Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: switch job hw_fence to amdgpu_fence

2025-06-18T16:19:21Z

Use the amdgpu fence container so we can store additional data in the fence. This also fixes the start_time handling for MCBP since we were casting the fence to an amdgpu_fence and it wasn't. Fixes: 3f4c175d62d8 ("drm/amdgpu: MCBP based on DRM scheduler (v9)") Reviewed-by: Christian König Signed-off-by: Alex Deucher

treewide, timers: Rename from_timer() to timer_container_of()

2025-06-08T07:07:37Z

Move this API to the canonical timer_*() namespace. [ tglx: Redone against pre rc1 ] Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/aB2X0jCKQO56WdMt@gmail.com

treewide: Switch/rename to timer_delete[_sync]()

2025-04-05T08:30:12Z

timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree over and remove the historical wrapper inlines. Conversion was done with coccinelle plus manual fixups where necessary. Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar

drm/amdgpu: revert "take runtime pm reference when we attach a buffer" v2

2024-06-14T20:17:13Z

This reverts commit b8c415e3bf98 ("drm/amdgpu: take runtime pm reference when we attach a buffer") and commit 425285d39afd ("drm/amdgpu: add amdgpu runpm usage trace for separate funcs"). Taking a runtime pm reference for DMA-buf is actually completely unnecessary and even dangerous. The problem is that calling pm_runtime_get_sync() from the DMA-buf callbacks is illegal because we have the reservation locked here which is also taken during resume. So this would deadlock. When the buffer is in GTT it is still accessible even when the GPU is powered down and when it is in VRAM the buffer gets migrated to GTT before powering down. The only use case which would make it mandatory to keep the runtime pm reference would be if we pin the buffer into VRAM, and that's not something we currently do. v2: improve the commit message Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher CC: stable@vger.kernel.org

drm/amdgpu: Skip coredump during resets for debug

2024-06-14T20:17:12Z

Skip scheduling coredump when gpu reset is intentionally triggered through debugfs. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Reviewed-by: Christian König Signed-off-by: Alex Deucher