During fbdev probe, the xe driver allocates and pins a framebuffer
BO (via xe_bo_create_pin_map_novm() → xe_ggtt_insert_bo()).
Without a runtime PM reference, xe_pm_runtime_get_noresume() warns about
missing outer PM protection as below:
xe 0000:03:00.0: [drm] Missing outer runtime PM protection
Acquire a runtime PM reference before framebuffer allocation to ensure
xe_ggtt_insert_bo() executes under active runtime PM context.
Changes in v2:
- Update commit message to add Fixes tag (Jani Nikula)
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/6350
Fixes: 44e694958b ("drm/xe/display: Implement display support")
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20251111135403.3415947-1-dibin.moolakadan.subrahmanian@intel.com
(cherry picked from commit 37fc7b7b3a)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Expose color pipeline and add ability to program it.
v2: Set bit to enable multisegmented lut
v3: s/drm_color_lut_32/drm_color_lut32 (Simon)
v4: - Fix dsb programming
- Remove multi-segment LUT, they will be added in later patches
- Add pipeline only to TGL+
- Code Refactor
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-16-uma.shankar@intel.com
Add helpers to program the 3D LUT registers and arm them.
LUT_3D_READY in LUT_3D_CLT is cleared off by the HW once
the LUT buffer is loaded into it's internal working RAM.
So by the time we try to load/commit new values, we expect
it to be cleared off. If not, log an error and return
without writing new values. Do it only when writing with MMIO.
There is no way to read register within DSB execution.
v2:
- Add information regarding LUT_3D_READY to commit message (Jani)
- Log error instead of a drm_warn and return without committing changes
if 3DLUT HW is not ready to accept new values.
- Refactor intel_color_crtc_has_3dlut()
Also remove Gen10 check (Suraj)
v3:
- Addressed review comments (Suraj)
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-15-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Extract the LUT and program plane post csc registers.
v2: Add DSB support
v3: Add support for single segment 1D LUT
v4:
- s/drm_color_lut_32/drm_color_lut32 (Simon)
- Move declaration to beginning of the function (Suraj)
- Remove multisegmented code, add it later
- Remove dead code for SDR planes, add it later
v5:
- Fix iterator issues
v6: Removed redundant variable (Suraj)
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-13-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add callback to program Pre-CSC LUT for TGL and beyond
v2: Add DSB support
v3: Add support for single segment 1D LUT color op
v4:
- s/drm_color_lut_32/drm_color_lut32/ (Simon)
- Change commit message (Suraj)
- Improve comments (Suraj)
- Remove multisegmented programming, to be added later
- Remove dead code for SDR planes, add when needed
BSpec: 50411, 50412, 50413, 50414
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-12-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add framework that will help in loading LUT to Pre/Post CSC color
blocks.
v2: Add dsb support
v3: Align enum names
v4: Propagate change in lut data to crtc_state
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-11-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add callback for setting CTM block in platforms D12 and beyond
v2:
- Add dsb support
- Pass plane_state as we are now doing a uapi to hw state copy
- Add support for 3x4 matrix
v3:
- Add relevant header file
- Fix typo (Suraj)
- Add callback to TGL+ (Suraj)
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-8-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
When int_bits == 0, we lose the sign bit when we do the range check
and apply the mask.
Fix this by ensuring a minimum of one integer bit, which guarantees space
for the sign bit in fully fractional representations (e.g. S0.12)
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-7-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add framework to program CSC. It enables copying of matrix from UAPI
to intel plane state. Also add helper functions which will eventually
program values to hardware.
Add a crtc state variable to track plane color change.
v2:
- Add crtc_state->plane_color_changed
- Improve comments (Suraj)
- s/intel_plane_*_color/intel_plane_color_* (Suraj)
v3:
- align parameters with open braces (Suraj)
- Improve commit message (Suraj)
v4:
- Re-arrange variable declaration (Suraj)
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-6-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add a color pipeline with three colorops in the sequence
1D LUT - 3x4 CTM - 1D LUT
This pipeline can be used to do any color space conversion or HDR
tone mapping
v2: Change namespace to drm_plane_colorop*
v3: Use simpler/pre-existing colorops for first iteration
v4:
- s/*_tf_*/*_color_* (Jani)
- Refactor to separate files (Jani)
- Add missing space in comment (Suraj)
- Consolidate patch that adds/attaches pipeline property
v5:
- Limit MAX_COLOR_PIPELINES to 2.(Suraj)
Increase it as and when we add more pipelines.
- Remove redundant initialization code (Suraj)
v6:
- Use drm_plane_create_color_pipeline_property() (Arun)
Now MAX_COLOR_PIPELINES is 1
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-5-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add intel colorop create helper
v2:
- Make function names consistent (Jani)
- Remove redundant code related to colorop state
- Refactor code to separate files
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-4-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add data structure to store intel specific details of colorop
v2:
- Remove dead code
- Convert macro to function (Jani)
- Remove colorop state as it is not being used
- Refactor to separate file
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-3-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add macros to identify intel specific color blocks. It will help
in mapping drm_color_ops to intel color HW blocks
v2:- Prefix enums with INTEL_* (Jani, Suraj)
- Remove unnecessary comments (Jani)
- Commit message improvements (Suraj)
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-2-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The Makefile logic for building xe_sriov_vfio.o was added incorrectly,
as setting CONFIG_XE_VFIO_PCI=m means it doesn't get included into a
built-in xe driver:
ERROR: modpost: "xe_sriov_vfio_stop_copy_enter" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_stop_copy_exit" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_suspend_device" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_wait_flr_done" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_error" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_resume_data_enter" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_resume_device" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_resume_data_exit" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_data_write" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
ERROR: modpost: "xe_sriov_vfio_migration_supported" [drivers/vfio/pci/xe/xe-vfio-pci.ko] undefined!
WARNING: modpost: suppressed 3 unresolved symbol warnings because there were too many)
Check for CONFIG_XE_VFIO_PCI being enabled in the Makefile to decide whether to
include the object instead.
Fixes: bd45d46ffc ("drm/xe/pf: Export helpers for VFIO")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patch.msgid.link/20251204094154.1029357-1-arnd@kernel.org
(cherry picked from commit ef7de33544)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Skipping power ungate exposed some scenarios that will fail
like below:
```
amdgpu: Register(0) [regVPEC_QUEUE_RESET_REQ] failed to reach value 0x00000000 != 0x00000001n
amdgpu 0000:c1:00.0: amdgpu: VPE queue reset failed
...
amdgpu: [drm] *ERROR* wait_for_completion_timeout timeout!
```
The underlying s2idle issue that prompted this commit is going to
be fixed in BIOS.
This reverts commit 2a6c826cfe.
Fixes: 2a6c826cfe ("drm/amd: Skip power ungate during suspend for VPE")
Cc: stable@vger.kernel.org
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reported-by: Konstantin <answer2019@yandex.ru>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220812
Reported-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use common definitions for the fault bits in the IH sourc
data for the gmc9-12 memory hub faults
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We need to call amdgpu_vm_handle_fault() on page fault
on all gfx9 and newer parts to properly update the
page tables, not just for recoverable page faults.
Cc: stable@vger.kernel.org
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We need to call amdgpu_vm_handle_fault() on page fault
on all gfx9 and newer parts to properly update the
page tables, not just for recoverable page faults.
Cc: stable@vger.kernel.org
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mfd_add_hotplug_devices() assigns child platform devices with
PLATFORM_DEVID_AUTO, but the ACP machine drivers expect the platform
device names to never change. Use mfd_add_devices() instead and give
each cell a unique id.
Signed-off-by: Brady Norander <bradynorander@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise userspace may be fooled into believing it has a reserved VMID
when in reality it doesn't, ultimately leading to GPU hangs when SPM is
used.
Fixes: 80e709ee6e ("drm/amdgpu: add option params to enforce process isolation between graphics and compute")
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
On old GPUs, it may be an issue that handling the interrupts from
VM faults is too slow and the interrupt handler (IH) ring may
overflow, which can cause an eventual hang.
Delegate the processing of all VM faults to the soft
IRQ handler ring.
As a result, we spend much less time in the IRQ handler that
interacts with the HW IH ring, which significantly reduces the
chance of hangs/reboots.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
On old GPUs, it may be an issue that handling the interrupts from
VM faults is too slow and the interrupt handler (IH) ring may
overflow, which can cause an eventual hang.
Delegate the processing of all VM faults to the soft
IRQ handler ring.
As a result, we spend much less time in the IRQ handler that
interacts with the HW IH ring, which significantly reduces the
chance of hangs/reboots.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
On old GPUs, it may be an issue that handling the interrupts from
VM faults is too slow and the interrupt handler (IH) ring may
overflow, which can cause an eventual hang.
Delegate the processing of all VM faults to the soft
IRQ handler ring.
As a result, we spend much less time in the IRQ handler that
interacts with the HW IH ring, which significantly reduces the
chance of hangs/reboots.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Call amdgpu_vm_update_fault_cache on GMC v6 similarly to how we
do in GMC v7-v8 so that VM fault info can be used later by
userspace for debugging.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register
doesn't exist on GMC v6 so we can't print the MC client as a
string like we do on GMC v7-v8. However, we still print the
mc_id from VM_CONTEXT1_PROTECTION_FAULT_STATUS.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are going to use the soft IRQ handler ring on GMC v8
to process interrupts from VM faults.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are going to use the soft IRQ handler ring on GMC v8
to process interrupts from VM faults.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are going to use the soft IRQ handler ring on GMC v8
to process interrupts from VM faults.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are going to use the soft IRQ handler ring on GMC v7 (CIK)
to process interrupts from VM faults.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are going to use the soft IRQ handler ring on GMC v6 (SI)
to process interrupts from VM faults.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fix a typo in a comment, change "enviroment" to "environment" in
drivers/gpu/drm/amd/display/dc/dml2/display_mode_core_structs.h
Fixes: e6a8a000cf ("drm/amd/display: Rename dml2 to dml2_0 folder")
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Aditya Gollamudi <adigollamudi@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[HOW]
Before enable smart power OLED, we need to call set pipe to let
DMUB get correct ABM config.
Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Ian Chen <ian.chen@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why&How]
DVI-A & VGA connectors are applicable to DCE ASICs, so move them to
dce110_hwseq.c to block audio sync on SIGNAL_TYPE_RGB for DCE ASICs.
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Users of ttm entities need to hold the gtt_window_lock before using them
to guarantee proper ordering of jobs.
Cc: stable@vger.kernel.org
Fixes: cb5cc4f573 ("drm/amdgpu: improve debug VRAM access performance using sdma")
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
UAPI Changes:
- Add support for drm colorop pipeline.
- Add COLOR PIPELINE plane property.
- Add DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE.
Cross-subsystem Changes:
- Attempt to use higher order mappings in system heap allocator.
- Always taint kernel with sw-sync.
Core Changes:
- Small fixes to drm/gem.
- Support emergency restore to drm-client.
- Allocate and release fb_info in single place.
- Rework ttm pipelined eviction fence handling.
Driver Changes:
- Support the drm color pipeline in vkms, amdgfx.
- Add NVJPG driver for tegra.
- Assorted small fixes and updates to rockchip, bridge/dw-hdmi-qp,
panthor.
- Add ASL CS5263 DP-to-HDMI simple bridge.
- Add and improve support for G LD070WX3-SL01 MIPI DSI, Samsung LTL106AL0,
Samsung LTL106AL01, Raystar RFF500F-AWH-DNN, Winstar WF70A8SYJHLNGA,
Wanchanglong w552946aaa, Samsung SOFEF00, Lenovo X13s panel.
- Add support for it66122 to it66121.
- Support mali-G1 gpu in panthor.
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Merge tag 'drm-misc-next-2025-12-01-1' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
Extra drm-misc-next for v6.19-rc1:
UAPI Changes:
- Add support for drm colorop pipeline.
- Add COLOR PIPELINE plane property.
- Add DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE.
Cross-subsystem Changes:
- Attempt to use higher order mappings in system heap allocator.
- Always taint kernel with sw-sync.
Core Changes:
- Small fixes to drm/gem.
- Support emergency restore to drm-client.
- Allocate and release fb_info in single place.
- Rework ttm pipelined eviction fence handling.
Driver Changes:
- Support the drm color pipeline in vkms, amdgfx.
- Add NVJPG driver for tegra.
- Assorted small fixes and updates to rockchip, bridge/dw-hdmi-qp,
panthor.
- Add ASL CS5263 DP-to-HDMI simple bridge.
- Add and improve support for G LD070WX3-SL01 MIPI DSI, Samsung LTL106AL0,
Samsung LTL106AL01, Raystar RFF500F-AWH-DNN, Winstar WF70A8SYJHLNGA,
Wanchanglong w552946aaa, Samsung SOFEF00, Lenovo X13s panel.
- Add support for it66122 to it66121.
- Support mali-G1 gpu in panthor.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/aa5cbd50-7676-4a59-bbed-e8428af86804@linux.intel.com
While pausing submissions, it is possible to encouner an exec queue
which is during creation, and therefore doesn't have a valid xe_lrc
struct reference.
Protect agains such situation, by checking for NULL before access.
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Fixes: c25c1010df ("drm/xe/vf: Replay GuC submission state on pause / unpause")
Signed-off-by: Tomasz Lis <tomasz.lis@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251124222853.1900800-1-tomasz.lis@intel.com
(cherry picked from commit 07cf4b864f)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
The LRC software ring tail is reset to the first unsignaled pending
job's head.
Fix the re-emission logic to begin submitting from the first unsignaled
job detected, rather than scanning all pending jobs, which can cause
imbalance.
v2:
- Include missing local changes
v3:
- s/skip_replay/restore_replay (Tomasz)
Fixes: c25c1010df ("drm/xe/vf: Replay GuC submission state on pause / unpause")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Tomasz Lis <tomasz.lis@intel.com>
Link: https://patch.msgid.link/20251121152750.240557-1-matthew.brost@intel.com
(cherry picked from commit 00937fe192)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
When the pagefault handling code was moved to a new file, an extra
drm_exec_init() was added to the VMA path. This call is unnecessary because
xe_validation_ctx_init() already performs a drm_exec_init(), resulting in a
memory leak reported by kmemleak.
Remove the redundant drm_exec_init() from the VMA pagefault handling code.
Fixes: fb544b8445 ("drm/xe: Implement xe_pagefault_queue_work")
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Stuart Summers <stuart.summers@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: intel-xe@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251120161435.3674556-1-mika.kuoppala@linux.intel.com
(cherry picked from commit 62519b77ae)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
In addition to generic VFIO PCI functionality, the driver implements
VFIO migration uAPI, allowing userspace to enable migration for Intel
Graphics SR-IOV Virtual Functions.
The driver binds to VF device and uses API exposed by Xe driver to
transfer the VF migration data under the control of PF device.
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Alex Williamson <alex@shazbot.org>
Link: https://patch.msgid.link/20251127093934.1462188-5-michal.winiarski@intel.com
Link: https://lore.kernel.org/all/20251128125322.34edbeaf.alex@shazbot.org/
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
(cherry picked from commit 2e38c50ae4)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
