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2024-07-20drm/panic: Add missing static inline to drm_panic_is_enabled()Jocelyn Falempe2-1/+3
This breaks build if DRM_PANIC is not enabled. Also add the missing include drm_crtc_internal.h in drm_panic.c Fixes: 9f774c42a908 ("drm/panic: Add drm_panic_is_enabled()") Signed-off-by: Jocelyn Falempe <[email protected]> Reviewed-by: Michal Wajdeczko <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-5/+4
Pull virtio updates from Michael Tsirkin: "Several new features here: - Virtio find vqs API has been reworked (required to fix the scalability issue we have with adminq, which I hope to merge later in the cycle) - vDPA driver for Marvell OCTEON - virtio fs performance improvement - mlx5 migration speedups Fixes, cleanups all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (56 commits) virtio: rename virtio_find_vqs_info() to virtio_find_vqs() virtio: remove unused virtio_find_vqs() and virtio_find_vqs_ctx() helpers virtio: convert the rest virtio_find_vqs() users to virtio_find_vqs_info() virtio_balloon: convert to use virtio_find_vqs_info() virtiofs: convert to use virtio_find_vqs_info() scsi: virtio_scsi: convert to use virtio_find_vqs_info() virtio_net: convert to use virtio_find_vqs_info() virtio_crypto: convert to use virtio_find_vqs_info() virtio_console: convert to use virtio_find_vqs_info() virtio_blk: convert to use virtio_find_vqs_info() virtio: rename find_vqs_info() op to find_vqs() virtio: remove the original find_vqs() op virtio: call virtio_find_vqs_info() from virtio_find_single_vq() directly virtio: convert find_vqs() op implementations to find_vqs_info() virtio_pci: convert vp_*find_vqs() ops to find_vqs_info() virtio: introduce virtio_queue_info struct and find_vqs_info() config op virtio: make virtio_find_single_vq() call virtio_find_vqs() virtio: make virtio_find_vqs() call virtio_find_vqs_ctx() caif_virtio: use virtio_find_single_vq() for single virtqueue finding vdpa/mlx5: Don't enable non-active VQs in .set_vq_ready() ...
2024-07-19Merge tag 'iommu-updates-v6.11' of ↵Linus Torvalds1-2/+5
git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux Pull iommu updates from Will Deacon: "Core: - Support for the "ats-supported" device-tree property - Removal of the 'ops' field from 'struct iommu_fwspec' - Introduction of iommu_paging_domain_alloc() and partial conversion of existing users - Introduce 'struct iommu_attach_handle' and provide corresponding IOMMU interfaces which will be used by the IOMMUFD subsystem - Remove stale documentation - Add missing MODULE_DESCRIPTION() macro - Misc cleanups Allwinner Sun50i: - Ensure bypass mode is disabled on H616 SoCs - Ensure page-tables are allocated below 4GiB for the 32-bit page-table walker - Add new device-tree compatible strings AMD Vi: - Use try_cmpxchg64() instead of cmpxchg64() when updating pte Arm SMMUv2: - Print much more useful information on context faults - Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n - Add new Qualcomm device-tree bindings Arm SMMUv3: - Support for hardware update of access/dirty bits and reporting via IOMMUFD - More driver rework from Jason, this time updating the PASID/SVA support to prepare for full IOMMUFD support - Add missing MODULE_DESCRIPTION() macro - Minor fixes and cleanups NVIDIA Tegra: - Fix for benign fwspec initialisation issue exposed by rework on the core branch Intel VT-d: - Use try_cmpxchg64() instead of cmpxchg64() when updating pte - Use READ_ONCE() to read volatile descriptor status - Remove support for handling Execute-Requested requests - Avoid calling iommu_domain_alloc() - Minor fixes and refactoring Qualcomm MSM: - Updates to the device-tree bindings" * tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (72 commits) iommu/tegra-smmu: Pass correct fwnode to iommu_fwspec_init() iommu/vt-d: Fix identity map bounds in si_domain_init() iommu: Move IOMMU_DIRTY_NO_CLEAR define dt-bindings: iommu: Convert msm,iommu-v0 to yaml iommu/vt-d: Fix aligned pages in calculate_psi_aligned_address() iommu/vt-d: Limit max address mask to MAX_AGAW_PFN_WIDTH docs: iommu: Remove outdated Documentation/userspace-api/iommu.rst arm64: dts: fvp: Enable PCIe ATS for Base RevC FVP iommu/of: Support ats-supported device-tree property dt-bindings: PCI: generic: Add ats-supported property iommu: Remove iommu_fwspec ops OF: Simplify of_iommu_configure() ACPI: Retire acpi_iommu_fwspec_ops() iommu: Resolve fwspec ops automatically iommu/mediatek-v1: Clean up redundant fwspec checks RDMA/usnic: Use iommu_paging_domain_alloc() wifi: ath11k: Use iommu_paging_domain_alloc() wifi: ath10k: Use iommu_paging_domain_alloc() drm/msm: Use iommu_paging_domain_alloc() vhost-vdpa: Use iommu_paging_domain_alloc() ...
2024-07-19drm/stm: add COMMON_CLK dependencyArnd Bergmann1-0/+1
The added lvds driver and a change in the dsi driver resulted in failed builds when COMMON_CLK is disabled: x86_64-linux-ld: drivers/gpu/drm/stm/dw_mipi_dsi-stm.o: in function `dw_mipi_dsi_stm_remove': dw_mipi_dsi-stm.c:(.text+0x51e): undefined reference to `clk_hw_unregister' x86_64-linux-ld: drivers/gpu/drm/stm/lvds.o: in function `lvds_remove': lvds.c:(.text+0xe3): undefined reference to `of_clk_del_provider' x86_64-linux-ld: lvds.c:(.text+0xec): undefined reference to `clk_hw_unregister' x86_64-linux-ld: drivers/gpu/drm/stm/lvds.o: in function `lvds_pll_config': lvds.c:(.text+0xb5d): undefined reference to `clk_hw_get_rate' x86_64-linux-ld: drivers/gpu/drm/stm/lvds.o: in function `lvds_probe': lvds.c:(.text+0x1476): undefined reference to `clk_hw_register' x86_64-linux-ld: lvds.c:(.text+0x148b): undefined reference to `of_clk_hw_simple_get' x86_64-linux-ld: lvds.c:(.text+0x1493): undefined reference to `of_clk_add_hw_provider' x86_64-linux-ld: lvds.c:(.text+0x1535): undefined reference to `clk_hw_unregister' Add this as a dependency for the stm driver itself, since it will be required in practice anyway. Fixes: 185f99b61442 ("drm/stm: dsi: expose DSI PHY internal clock") Fixes: aca1cbc1c986 ("drm/stm: lvds: add new STM32 LVDS Display Interface Transmitter driver") Signed-off-by: Arnd Bergmann <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Raphael Gallais-Pou <[email protected]>
2024-07-19drm/panic: Remove build time dependency with FRAMEBUFFER_CONSOLEJocelyn Falempe1-1/+1
Now that fbcon has the skip_panic option, there is no more conflicts between drm_panic and fbcon. Remove the build time dependency, so they can be both enabled. Signed-off-by: Jocelyn Falempe <[email protected]> Reviewed-by: Javier Martinez Canillas <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/fb-helper: Set skip_panic if the drm driver supports drm panicJocelyn Falempe1-0/+2
fb_info->skip_panic flag prevents fbcon from writing to the framebuffer during a kernel panic. So set it when the drm driver implements drm panic, to avoid overwriting the panic screen. Signed-off-by: Jocelyn Falempe <[email protected]> Reviewed-by: Javier Martinez Canillas <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/panic: Add drm_panic_is_enabled()Jocelyn Falempe2-0/+27
It allows to check if the drm device supports drm_panic. Prepare the work to have better integration with fbcon and vtconsole. Signed-off-by: Jocelyn Falempe <[email protected]> Reviewed-by: Javier Martinez Canillas <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/stm: ltdc: remove reload interruptYannick Fertre1-10/+6
The reload interrupt is not used by the driver. To avoid unnecessary calls of the interrupt routine, don't enable it. Solve small typo and add mask to simplify the driver. Signed-off-by: Yannick Fertre <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Raphael Gallais-Pou <[email protected]>
2024-07-19drm/stm: ltdc: add mask for lxcr registerYannick Fertre1-4/+4
The purpose of this mask is to simplify writing to the lxcr register and not to forget any fields. Signed-off-by: Yannick Fertre <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Raphael Gallais-Pou <[email protected]>
2024-07-19drm/stm: ltdc: reset plane transparency after plane disableYannick Fertre1-0/+3
The plane's opacity should be reseted while the plane is disabled. It prevents from seeing a possible global or layer background color set earlier. Signed-off-by: Yannick Fertre <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Raphael Gallais-Pou <[email protected]>
2024-07-19drm/mgag200: Implement struct drm_crtc_funcs.get_vblank_timestampThomas Zimmermann2-2/+33
Implement struct drm_crtc_funcs.get_vblank_timestamp with the DRM helper drm_crtc_vblank_helper_get_vblank_timestamp() with its helper get_scanout_position. Read the scanout position from the MGAREG_VCOUNT register. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Jocelyn Falempe <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/mgag200: Add vblank supportThomas Zimmermann12-2/+143
There's no VBLANK interrupt on Matrox chipsets. The workaround that is being used here and in other free Matrox drivers is to program <linecomp> to the value of <vblkstr> and enable the VLINE interrupt. This triggers an interrupt at the time when VBLANK begins. VLINE uses separate registers for enabling and clearing pending interrupts. No extra synchronization between irq handler and the rest of the driver is required. v6: - clear VLINE status bit before registering IRQ (Jocelyn) v5: - disable all interrupts before registering IRQ (Jocelyn) - don't read from ICLEAR (Jocelyn) v4: - recreate patch on latest upstream - use devm_request_irq() for managed cleanup - fail if vblanking cannot be initialized - rename register constants (Sam, Emil) - clear interrupt before registering handler (Ville) - move <linecomp> programming into separate commit - set <linecomp> to <vblkstr> - fix typo in commit message v3: - set <linecomp> to <vdisplay> + 1 to trigger at VBLANK - expand comment on linecomp v2: - only signal vblank on CRTC 0 - use constants for registers and fields - set VLINECLR before enabling interrupt - test against STATUS and IEN in irq handler - coding-style fixes Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Jocelyn Falempe <[email protected]> Acked-by: Gerd Hoffmann <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Tested-by: Jocelyn Falempe <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/xe/vf: Fix register value lookupMichal Wajdeczko1-1/+1
We should use the number of actual entries stored in the runtime register buffer, not the maximum number of entries that this buffer can hold, otherwise bsearch() may fail and we may miss the data and wrongly report unexpected access to some registers. Fixes: 4edadc41a3a4 ("drm/xe/vf: Use register values obtained from the PF") Signed-off-by: Michal Wajdeczko <[email protected]> Cc: Piotr Piórkowski <[email protected]> Cc: Matt Roper <[email protected]> Reviewed-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/mgag200: Add dedicted variable for <linecomp> fieldThomas Zimmermann1-4/+7
Replace the line-compare value of <vdispend> with a dedicated variable <linecomp>. Improves readability and prepares for vblank support. Signed-off-by: Thomas Zimmermann <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/mgag200: Add dedicated variables for blanking fieldsThomas Zimmermann1-13/+16
Represent fields for horizontal and vertical blanking with <hblkstr>, <hblkend>, <vblkstr> and <vblkend>. Aligns the code with the Matrox programming manuals. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Jocelyn Falempe <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/mgag200: Use adjusted mode values for CRTCsThomas Zimmermann1-8/+8
Use the values with the crtc_ prefix from struct drm_display_mode to program hardware. The DRM core adjusted these values to the requirements of CRTC hardware. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Jocelyn Falempe <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/mgag200: Align register field names with documentationThomas Zimmermann1-27/+27
In mgag200_set_mode_regs(), align variable names with the field names given in the Matrox programming manuals. Makes the code and docs grep- able. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Jocelyn Falempe <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/mgag200: Use hexadecimal register indecesThomas Zimmermann1-25/+25
In mgag200_set_mode_regs(), use hexadecimal indices for accessing registers. Aligns the code with the register indices in the Matrox programming manuals. Also convert to lower-case hexadecimal values. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Jocelyn Falempe <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/xe: Fix use after free when client stats are capturedUmesh Nerlige Ramappa3-9/+13
xe_file_close triggers an asynchronous queue cleanup and then frees up the xef object. Since queue cleanup flushes all pending jobs and the KMD stores client usage stats into the xef object after jobs are flushed, we see a use-after-free for the xef object. Resolve this by taking a reference to xef from xe_exec_queue. While at it, revert an earlier change that contained a partial work around for this issue. v2: - Take a ref to xef even for the VM bind queue (Matt) - Squash patches relevant to that fix and work around (Lucas) v3: Fix typo (Lucas) Fixes: ce62827bc294 ("drm/xe: Do not access xe file when updating exec queue run_ticks") Fixes: 6109f24f87d7 ("drm/xe: Add helper to accumulate exec queue runtime") Closes: https://gitlab.freedesktop.org/drm/xe/kernel/issues/1908 Signed-off-by: Umesh Nerlige Ramappa <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Reviewed-by: Lucas De Marchi <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Lucas De Marchi <[email protected]>
2024-07-19drm/xe: Take a ref to xe file when user creates a VMUmesh Nerlige Ramappa1-1/+5
Take a reference to xef when user creates the VM and put the reference when user destroys the VM. Signed-off-by: Umesh Nerlige Ramappa <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Reviewed-by: Lucas De Marchi <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Lucas De Marchi <[email protected]>
2024-07-19drm/xe: Add ref counting for xe_fileUmesh Nerlige Ramappa3-2/+37
Add ref counting for xe_file. v2: - Add kernel doc for exported functions (Matt) - Instead of xe_file_destroy, export the get/put helpers (Lucas) v3: Fixup the kernel-doc format and description (Matt, Lucas) Signed-off-by: Umesh Nerlige Ramappa <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Lucas De Marchi <[email protected]>
2024-07-19drm/xe: Move part of xe_file cleanup to a helperUmesh Nerlige Ramappa1-11/+18
In order to make xe_file ref counted, move destruction of xe_file members to a helper. v2: Move xe_vm_close_and_put back into xe_file_close (Matt) Signed-off-by: Umesh Nerlige Ramappa <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Reviewed-by: Lucas De Marchi <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Lucas De Marchi <[email protected]>
2024-07-19drm/ast: Fix black screen after resumeJammy Huang1-0/+5
Suspend will disable pcie device. Thus, resume should do full hw initialization again. Add some APIs to ast_drm_thaw() before ast_post_gpu() to fix the issue. v2: - fix function-call arguments Fixes: 5b71707dd13c ("drm/ast: Enable and unlock device access early during init") Reported-by: Cary Garrett <[email protected]> Closes: https://lore.kernel.org/dri-devel/[email protected]/ Cc: Thomas Zimmermann <[email protected]> Cc: Jocelyn Falempe <[email protected]> Cc: Dave Airlie <[email protected]> Cc: [email protected] Cc: <[email protected]> # v6.6+ Signed-off-by: Jammy Huang <[email protected]> Reviewed-by: Thomas Zimmermann <[email protected]> Signed-off-by: Thomas Zimmermann <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-19drm/bridge: analogix: remove unused struct 'bridge_init'Dr. David Alan Gilbert1-5/+0
commit 6a1688ae8794 ("drm/bridge: ptn3460: Convert to I2C driver model") has dropped all the users of the struct bridge_init from the exynos_dp_core, while retaining unused structure definition. Later on the driver was reworked and the definition migrated to the analogix_dp driver. Remove unused struct bridge_init definition. Signed-off-by: Dr. David Alan Gilbert <[email protected]> Reviewed-by: Dmitry Baryshkov <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Dmitry Baryshkov <[email protected]>
2024-07-18drm/xe/uapi: Expose SIMD16 EU mask in topology queryLucas De Marchi3-6/+36
PVC, Xe2 and later platforms have 16-wide EUs. We were implicitly reporting for PVC the number of 16-wide EUs without giving userspace any hint that they were different than for other platforms. Xe2 and later also have 16-wide, but in those cases the reported number would correspond to the 8-wide count. To avoid confusion and make sure the right number is used by userspace depending on the platform, add a new item to the topology query and drop the one that is not available. The new mask reported for both PVC and Xe2 should now match the numbers reported via hwconfig. v2: Use a different topo item with EU type in its name to report the new mask instead of adding the type itself as the item (Matt Roper) Reviewed-by: Matt Roper <[email protected]> Acked-by: José Roberto de Souza <[email protected]> Acked-by: Mateusz Jablonski <[email protected]> Acked-by: Wenbin Lu <[email protected]> Acked-by: Effie Yu <[email protected]> Acked-by: Rodrigo Vivi <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Lucas De Marchi <[email protected]>
2024-07-18drm/i915/guc: Extend w/a 14019159160John Harrison2-9/+10
There is a new part to an existing workaround, so enable that piece as well. v2: Extend even further. v3: Drop DG2 as there are CI failures still to resolve. Also re-order the parameters to a function to reduce excessive line wrapping. Signed-off-by: John Harrison <[email protected]> Reviewed-by: Vinay Belgaumkar <[email protected]> Signed-off-by: Daniele Ceraolo Spurio <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-18drm/i915/arl: Enable Wa_14019159160 for ARLJohn Harrison2-2/+2
The context switch out workaround also applies to ARL. Signed-off-by: John Harrison <[email protected]> Reviewed-by: Vinay Belgaumkar <[email protected]> Signed-off-by: Daniele Ceraolo Spurio <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-18drm/xe: Remove unused xe_sync_entry_waitMatthew Brost2-9/+0
xe_sync_entry_wait is no longer used, remove it. Signed-off-by: Matthew Brost <[email protected]> Reviewed-by: Thomas Hellström <[email protected]> Reviewed-by: Nirmoy Das <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-18drm/xe: Validate user fence during creationMatthew Brost1-4/+8
Fail invalid addresses during user fence creation. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Signed-off-by: Matthew Brost <[email protected]> Reviewed-by: Thomas Hellström <[email protected]> Reviewed-by: Nirmoy Das <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-18Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds1617-29613/+386972
Pull drm updates from Dave Airlie: "There's a lot of stuff in here, amd, i915 and xe have new platform work, lots of core rework around EDID handling, some new COMPILE_TEST options, maintainer changes and a lots of other stuff. Summary: core: - deprecate DRM data and return 0 date - connector: Create a set of helpers to help with HDMI support - Remove driver owner assignments - Allow more drivers to compile with COMPILE_TEST - Conversions to drm_edid - Sprinkle MODULE_DESCRIPTIONS everywhere they are missing - Remove drm_mm_replace_node - print: Add a drm prefix to warn level messages too, remove ___drm_dbg, consolidate prefix handling - New monochrome TV mode variant ttm: - improve number of page faults on some platforms - fix test builds under PREEMPT_RT - more test coverage ci: - Require a more recent version of mesa - improve farm setup and test generation dma-buf: - warn if reserving 0 fence slots - internal API heap enhancements fbdev: - Create memory manager optimized fbdev emulation panic: - Allow to select fonts - improve drm_fb_dma_get_scanout_buffer - Allow to dump kmsg to the screen bridge: - Remove redundant checks on bridge->encoder - Remove drm_bridge_chain_mode_fixup - bridge-connector: Plumb in the new HDMI helper - analogix_dp: Various improvements, handle AUX transfers timeout - samsung-dsim: Fix timings calculation - tc358767: Plenty of small fixes, fix no connector attach, fix clocks - sii902x: state validation improvements panels: - Switch panels from register table initialization to proper code - Now that the panel code tracks the panel state, remove every ad-hoc implementation in the panel drivers - More cleanup of prepare / enable state tracking in drivers - edp: Drop legacy panel compatibles - simple-bridge: Switch to devm_drm_bridge_add - New panels: Lincoln Tech Sol LCD185-101CT, Microtips Technology 13-101HIEBCAF0-C, Microtips Technology MF-103HIEB0GA0, BOE nv110wum-l60, IVO t109nw41, WL-355608-A8, PrimeView PM070WL4, Lincoln Technologies LCD197, Ortustech COM35H3P70ULC, AUO G104STN01, K&d kd101ne3-40ti amdgpu: - DCN 4.0.x support - GC 12.0 support - GMC 12.0 support - SDMA 7.0 support - MES12 support - MMHUB 4.1 support - GFX12 modifier and DCC support - lots of IP fixes/updates amdkfd: - Contiguous VRAM allocations - GC 12.0 support - SDMA 7.0 support - SR-IOV fixes - KFD GFX ALU exceptions i915: - Battlemage Xe2 HPD display enablement - Panel Replay enabling - DP AUX-less ALPM/LOBF - Enable link training failure fallback for DP MST links - CMRR (Content Match Refresh Rate) enabling - Increase ADL-S/ADL-P/DG2+ max TMDS bitrate to 6 Gbps - Enable eDP AUX based HDR backlight - Support replaying GPU hangs with captured context image - Automate CCS Mode setting during engine resets - lots of refactoring - Support replaying GPU hangs with captured context image - Increase FLR timeout from 3s to 9s - Enable w/a 16021333562 for DG2, MTL and ARL [guc] xe: - update MAINATINERS - New uapi adding OA functionality to Xe - expose l3 bank mask - fix display detect on ADL-N - runtime PM Fixes - Fix silent backmerge issues - More prep for SR-IOV - HWmon additions - per client usage info - Rework GPU page fault handling - Drop EXEC_QUEUE_FLAG_BANNED - Add BMG PCI IDs - Scheduler fixes and improvements - Rename xe_exec_queue::compute to xe_exec_queue::lr - Use ttm_uncached for BO with NEEDS_UC flag - Rename xe perf layer as xe observation layer - lots of refactoring radeon: - Backlight workaround for iMac - Silence UBSAN flex array warnings msm: - Validate registers XML description against schema in CI - core/dpu: SM7150 support - mdp5: Add support for MSM8937 - gpu: Add param for userspace to know if raytracing is supported - gpu: X185 support (aka gpu in X1 laptop chips) - gpu: a505 support ivpu: - hardware scheduler support - profiling support - improvements to the platform support layer - firmware handling improvements - clocks/power mgmt improvements - scheduler/logging improvements habanalabs: - Gradual sleep in polling memory macro - Reduce Gaudi2 MSI-X interrupt count to 128 - Add Gaudi2-D revision support - Add timestamp to CPLD info - Gaudi2: Assume hard-reset by firmware upon MC SEI severe error - Align Gaudi2 interrupt names - Check for errors after preboot is ready - Change habanalabs maintainer and git repo path mgag200: - refactoring and improvements - Add BMC output - enable polling nouveau: - add registry command line v3d: - perf counters improvements zynqmp: - irq and debugfs improvements atmel-hlcdc: - Support XLCDC in sam9x7 mipi-dbi: - Remove mipi_dbi_machine_little_endian - make SPI bits per word configurable - support RGB888 - allow pixel formats to be specified in the DT sun4i: - Rework the blender setup for DE2 panfrost: - Enable MT8188 support vc4: - Monochrome TV support exynos: - fix fallback mode regression - fix memory leak - Use drm_edid_duplicate() instead of kmemdup() etnaviv: - fix i.MX8MP NPU clock gating - workaround FE register cdc issues on some cores - fix DMA sync handling for cached buffers - fix job timeout handling - keep TS enabled on MMUv2 cores for improved performance mediatek: - Convert to platform remove callback returning void- - Drop chain_mode_fixup call in mode_valid() - Fixes the errors of MediaTek display driver found by IGT - Add display support for the MT8365-EVK board - Fix bit depth overwritten for mtk_ovl_set bit_depth() - Fix possible_crtcs calculation - Fix spurious kfree() ast: - refactor mode setting code stm: - Add LVDS support - DSI PHY updates" * tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel: (2501 commits) drm/amdgpu/mes12: add missing opcode string drm/amdgpu/mes11: update opcode strings Revert "drm/amd/display: Reset freesync config before update new state" drm/omap: Restrict compile testing to PAGE_SIZE less than 64KB drm/xe: Drop trace_xe_hw_fence_free drm/xe/uapi: Rename xe perf layer as xe observation layer drm/amdgpu: remove exp hw support check for gfx12 drm/amdgpu: timely save bad pages to eeprom after gpu ras reset is completed drm/amdgpu: flush all cached ras bad pages to eeprom drm/amdgpu: select compute ME engines dynamically drm/amd/display: Allow display DCC for DCN401 drm/amdgpu: select compute ME engines dynamically drm/amdgpu/job: Replace DRM_INFO/ERROR logging drm/amdgpu: select compute ME engines dynamically drm/amd/pm: Ignore initial value in smu response register drm/amdgpu: Initialize VF partition mode drm/amd/amdgpu: fix SDMA IRQ client ID <-> req mapping MAINTAINERS: fix Xinhui's name MAINTAINERS: update powerplay and swsmu drm/qxl: Pin buffer objects for internal mappings ...
2024-07-18drm/i915: Allow NULL memory regionJonathan Cavitt1-2/+4
Prevent a NULL pointer access in intel_memory_regions_hw_probe. Fixes: 05da7d9f717b ("drm/i915/gem: Downgrade stolen lmem setup warning") Reported-by: Dan Carpenter <[email protected]> Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11704 Signed-off-by: Jonathan Cavitt <[email protected]> Reviewed-by: Nirmoy Das <[email protected]> Reviewed-by: Andi Shyti <[email protected]> Signed-off-by: Andi Shyti <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-18drm/xe: Don't suspend device upon wedgeMatthew Brost1-0/+14
When wedging a device we shouldn't be suspending device as state for debug will be lost. Also this appears to not work as the below stack trace pops upon trying to resume a wedged device: [ 304.245044] INFO: task cat:12115 blocked for more than 151 seconds. [ 304.251333] Tainted: G W 6.10.0-rc7-xe+ #3518 [ 304.257617] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 304.265459] task:cat state:D stack:13384 pid:12115 tgid:12115 ppid:3986 flags:0x00000006 [ 304.265465] Call Trace: [ 304.265467] <TASK> [ 304.265469] __schedule+0x3c4/0xdf0 [ 304.265478] schedule+0x3c/0x140 [ 304.265481] rpm_resume+0x1cc/0x740 [ 304.265484] ? __pfx_autoremove_wake_function+0x10/0x10 [ 304.265489] __pm_runtime_resume+0x49/0x80 [ 304.265494] guc_info+0x6b/0xb0 [xe] [ 304.265538] ? __pfx___drm_printfn_seq_file+0x10/0x10 [ 304.265541] ? __pfx___drm_puts_seq_file+0x10/0x10 [ 304.265545] seq_read_iter+0x111/0x4c0 [ 304.265551] seq_read+0xfc/0x140 [ 304.265556] full_proxy_read+0x58/0x80 [ 304.265560] vfs_read+0xa7/0x360 [ 304.265563] ? find_held_lock+0x2b/0x80 [ 304.265568] ksys_read+0x64/0xe0 [ 304.265571] do_syscall_64+0x68/0x140 [ 304.265575] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 304.265578] RIP: 0033:0x7f4254d14992 [ 304.265580] RSP: 002b:00007ffc558666f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 304.265583] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f4254d14992 [ 304.265584] RDX: 0000000000020000 RSI: 00007f4254ebb000 RDI: 0000000000000003 [ 304.265586] RBP: 00007f4254ebb000 R08: 00007f4254eba010 R09: 00007f4254eba010 [ 304.265587] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000022000 [ 304.265588] R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000 [ 304.265593] </TASK> [ 304.265594] Showing all locks held in the system: [ 304.265598] 1 lock held by khungtaskd/57: [ 304.265599] #0: ffffffff8273b860 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x36/0x1c0 [ 304.265607] 3 locks held by kworker/6:1/90: [ 304.265610] 1 lock held by in:imklog/547: [ 304.265611] #0: ffff88810498cd88 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x76/0xc0 [ 304.265620] 1 lock held by dmesg/1310: v2: Drop local 'err' variable (Jonathan) Fixes: 8ed9aaae39f3 ("drm/xe: Force wedged state and block GT reset upon any GPU hang") Cc: Rodrigo Vivi <[email protected]> Signed-off-by: Matthew Brost <[email protected]> Reviewed-by: Jonathan Cavitt <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 452bca0edbd0764ca0284239d5438b3edd305ab3) Signed-off-by: Rodrigo Vivi <[email protected]>
2024-07-18drm/xe: Wedge the entire deviceMatthew Brost9-13/+80
Wedge the entire device, not just GT which may have triggered the wedge. To implement this, cleanup the layering so xe_device_declare_wedged() calls into the lower layers (GT) to ensure entire device is wedged. While we are here, also signal any pending GT TLB invalidations upon wedging device. Lastly, short circuit reset wait if device is wedged. v2: - Short circuit reset wait if device is wedged (Local testing) Fixes: 8ed9aaae39f3 ("drm/xe: Force wedged state and block GT reset upon any GPU hang") Cc: Rodrigo Vivi <[email protected]> Signed-off-by: Matthew Brost <[email protected]> Reviewed-by: Jonathan Cavitt <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 7dbe8af13c189f5937e87e9fb924d5bbc49e6f71) Signed-off-by: Rodrigo Vivi <[email protected]>
2024-07-18drm/xe/pf: Limit fair VF LMEM provisioningMichal Wajdeczko1-0/+1
Due to the current design of the BO and VRAM manager, any object with XE_BO_FLAG_PINNED flag, which the PF driver uses during VF LMEM provisionining, is created with the TTM_PL_FLAG_CONTIGUOUS flag, which may cause VRAM fragmentation that prevents subsequent allocations of larger objects, like fair VF LMEM provisioning. To avoid such failures, round down fair VF LMEM provisioning size to next power of two size, to compensate what xe_ttm_vram_mgr is doing to achieve contiguous allocations. Fixes: ac6598aed1b3 ("drm/xe/pf: Add support to configure SR-IOV VFs") Signed-off-by: Michal Wajdeczko <[email protected]> Reviewed-by: Piotr Piórkowski <[email protected]> Reviewed-by: Jonathan Cavitt <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Lucas De Marchi <[email protected]> (cherry picked from commit 4c3fe5eae46b92e2fd961b19f7779608352e5368) Signed-off-by: Rodrigo Vivi <[email protected]>
2024-07-18drm/xe/exec: Fix minor bug related to xe_sync_entry_cleanupAshutosh Dixit1-7/+7
Increment num_syncs after xe_sync_entry_parse() is successful to ensure the xe_sync_entry_cleanup() logic under "err_syncs" label works correctly. v2: Use the same pattern as that in xe_vm.c (Matt Brost) Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Signed-off-by: Ashutosh Dixit <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 43a6faa6d9b5e9139758200a79fe9c8f4aaa0c8d) Signed-off-by: Rodrigo Vivi <[email protected]>
2024-07-18drm/v3d: Validate passed in drm syncobj handles in the performance extensionTvrtko Ursulin1-0/+8
If userspace provides an unknown or invalid handle anywhere in the handle array the rest of the driver will not handle that well. Fix it by checking handle was looked up successfully or otherwise fail the extension by jumping into the existing unwind. Signed-off-by: Tvrtko Ursulin <[email protected]> Fixes: bae7cb5d6800 ("drm/v3d: Create a CPU job extension for the reset performance query job") Cc: Maíra Canal <[email protected]> Cc: Iago Toral Quiroga <[email protected]> Cc: [email protected] # v6.8+ Reviewed-by: Maíra Canal <[email protected]> Signed-off-by: Maíra Canal <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit a546b7e4d73c23838d7e4d2c92882b3ca902d213) Signed-off-by: Thomas Zimmermann <[email protected]>
2024-07-18drm/v3d: Validate passed in drm syncobj handles in the timestamp extensionTvrtko Ursulin1-0/+12
If userspace provides an unknown or invalid handle anywhere in the handle array the rest of the driver will not handle that well. Fix it by checking handle was looked up successfully or otherwise fail the extension by jumping into the existing unwind. Signed-off-by: Tvrtko Ursulin <[email protected]> Fixes: 9ba0ff3e083f ("drm/v3d: Create a CPU job extension for the timestamp query job") Cc: Maíra Canal <[email protected]> Cc: Iago Toral Quiroga <[email protected]> Cc: [email protected] # v6.8+ Reviewed-by: Maíra Canal <[email protected]> Signed-off-by: Maíra Canal <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 8d1276d1b8f738c3afe1457d4dff5cc66fc848a3) Signed-off-by: Thomas Zimmermann <[email protected]>
2024-07-18drm/v3d: Fix potential memory leak in the performance extensionTvrtko Ursulin3-26/+50
If fetching of userspace memory fails during the main loop, all drm sync objs looked up until that point will be leaked because of the missing drm_syncobj_put. Fix it by exporting and using a common cleanup helper. Signed-off-by: Tvrtko Ursulin <[email protected]> Fixes: bae7cb5d6800 ("drm/v3d: Create a CPU job extension for the reset performance query job") Cc: Maíra Canal <[email protected]> Cc: Iago Toral Quiroga <[email protected]> Cc: [email protected] # v6.8+ Signed-off-by: Maíra Canal <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 484de39fa5f5b7bd0c5f2e2c5265167250ef7501) Signed-off-by: Thomas Zimmermann <[email protected]>
2024-07-18drm/v3d: Fix potential memory leak in the timestamp extensionTvrtko Ursulin3-19/+48
If fetching of userspace memory fails during the main loop, all drm sync objs looked up until that point will be leaked because of the missing drm_syncobj_put. Fix it by exporting and using a common cleanup helper. Signed-off-by: Tvrtko Ursulin <[email protected]> Fixes: 9ba0ff3e083f ("drm/v3d: Create a CPU job extension for the timestamp query job") Cc: Maíra Canal <[email protected]> Cc: Iago Toral Quiroga <[email protected]> Cc: [email protected] # v6.8+ Reviewed-by: Maíra Canal <[email protected]> Signed-off-by: Maíra Canal <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 753ce4fea62182c77e1691ab4f9022008f25b62e) Signed-off-by: Thomas Zimmermann <[email protected]>
2024-07-18drm/v3d: Prevent out of bounds access in performance query extensionsTvrtko Ursulin1-0/+6
Check that the number of perfmons userspace is passing in the copy and reset extensions is not greater than the internal kernel storage where the ids will be copied into. Signed-off-by: Tvrtko Ursulin <[email protected]> Fixes: bae7cb5d6800 ("drm/v3d: Create a CPU job extension for the reset performance query job") Cc: Maíra Canal <[email protected]> Cc: Iago Toral Quiroga <[email protected]> Cc: [email protected] # v6.8+ Reviewed-by: Iago Toral Quiroga <[email protected]> Reviewed-by: Maíra Canal <[email protected]> Signed-off-by: Maíra Canal <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit f32b5128d2c440368b5bf3a7a356823e235caabb) Signed-off-by: Thomas Zimmermann <[email protected]>
2024-07-18drm: Add might_fault to drm_modeset_lock primingDaniel Vetter1-0/+2
We already teach lockdep that dma_resv nests within drm_modeset_lock, but there's a lot more: All drm kms ioctl rely on being able to put/get_user while holding modeset locks, so we really need a might_fault in there too to complete the picture. Add it. Motivated by a syzbot report that blew up on bcachefs doing an unconditional console_lock way deep in the locking hierarchy, and lockdep only noticing the depency loop in a drm ioctl instead of much earlier. This annotation will make sure such issues have a much harder time escaping. References: https://lore.kernel.org/dri-devel/[email protected]/ Signed-off-by: Daniel Vetter <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: Thomas Zimmermann <[email protected]> Cc: Sumit Semwal <[email protected]> Cc: "Christian König" <[email protected]> Cc: [email protected] Cc: [email protected] Reviewed-by: Christian König <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-18drm/bridge-connector: Fix double free in error handling pathsCristian Ciocaltea1-6/+2
The recent switch to drmm allocation in drm_bridge_connector_init() may cause double free on bridge_connector in some of the error handling paths. Drop the explicit kfree() calls on bridge_connector. Fixes: c12907be57b1 ("drm/bridge-connector: switch to using drmm allocations") Signed-off-by: Cristian Ciocaltea <[email protected]> Reviewed-by: Dmitry Baryshkov <[email protected]> Signed-off-by: Robert Foss <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/20240711-bridge-connector-fix-dbl-free-v1-1-d558b2d0eb93@collabora.com
2024-07-18drm/bridge: Silence error messages upon probe deferralAlexander Stein1-2/+7
When -EPROBE_DEFER is returned do not raise an error, but silently return this error instead. Fixes error like this: [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/mipi-dsi@30a00000 to encoder None-34: -517 [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/mipi-dsi@30a00000 to encoder None-34: -517 Signed-off-by: Alexander Stein <[email protected]> Reviewed-by: Robert Foss <[email protected]> Signed-off-by: Robert Foss <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-18drm/xe/pm: Add trace for pm functionsNirmoy Das2-0/+60
Add trace for xe pm function for better debuggability. v2: Fix indentation and add trace for xe_pm_runtime_get_ioctl Cc: Matthew Brost <[email protected]> Cc: Rodrigo Vivi <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Nirmoy Das <[email protected]>
2024-07-18drm/xe/fbdev: Limit the usage of stolen for LNL+Uma Shankar3-1/+12
As per recommendation in the workarounds: WA_22019338487 There is an issue with accessing Stolen memory pages due a hardware limitation. Limit the usage of stolen memory for fbdev for LNL+. Don't use BIOS FB from stolen on LNL+ and assign the same from system memory. v2: Corrected the WA Number, limited WA to LNL and Adopted XE_WA framework as suggested by Lucas and Matt. v3: Introduced the waxxx_display to implement display side of WA changes on Lunarlake. Used xe_root_mmio_gt and avoid the for loop (Suggested by Lucas) v4: Fixed some nits (Luca) Reviewed-by: Lucas De Marchi <[email protected]> Signed-off-by: Uma Shankar <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-17drm/xe/xe2: Do not run xe_bo_test for xe2+ dgfxAkshata Jahagirdar1-0/+6
In xe2+ dgfx, we don't need to handle the copying of ccs metadata during migration. This test validates the ccs data post clear and copy during evict/restore operation. Thus, we can skip this test on xe2+ dgfx. Signed-off-by: Akshata Jahagirdar <[email protected]> Reviewed-by: Himal Prasad Ghimiray <[email protected]> Signed-off-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/57d9df82ad02e53c9b0d2a7d40bb27acce57b927.1721250309.git.akshata.jahagirdar@intel.com
2024-07-17drm/xe/migrate: Add kunit to test migration functionality for BMGAkshata Jahagirdar1-1/+119
This part of kunit verifies that - main data is decompressed and ccs data is clear post bo eviction. - main data is raw copied and ccs data is clear post bo restore. v2: Added missing bo_put()/bo_unlock() (Matt Auld) Signed-off-by: Akshata Jahagirdar <[email protected]> Reviewed-by: Himal Prasad Ghimiray <[email protected]> Signed-off-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/1d36d4377c566508e42b3fb80d3fe4a588fd00ca.1721250309.git.akshata.jahagirdar@intel.com
2024-07-17drm/xe/xe_migrate: Handle migration logic for xe2+ dgfxAkshata Jahagirdar1-8/+11
During eviction (vram->sysmem), we use compressed -> uncompressed mapping. During restore (sysmem->vram), we need to use mapping from uncompressed -> uncompressed. Handle logic for selecting the compressed identity map for eviction, and selecting uncompressed map for restore operations. v2: Move check of xe_migrate_ccs_emit() before calling xe_migrate_ccs_copy(). (Nirmoy) Signed-off-by: Akshata Jahagirdar <[email protected]> Reviewed-by: Matthew Auld <[email protected]> Reviewed-by: Himal Prasad Ghimiray <[email protected]> Signed-off-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/79b3a016e686a662ae68c32b5fc7f0f2ac8043e9.1721250309.git.akshata.jahagirdar@intel.com
2024-07-17drm/xe/xe2: Introduce identity map for compressed pat for vramAkshata Jahagirdar2-24/+66
Xe2+ has unified compression (exactly one compression mode/format), where compression is now controlled via PAT at PTE level. This simplifies KMD operations, as it can now decompress freely without concern for the buffer's original compression format—unlike DG2, which had multiple compression formats and thus required copying the raw CCS state during VRAM eviction. In addition mixed VRAM and system memory buffers were not supported with compression enabled. On Xe2 dGPU compression is still only supported with VRAM, however we can now support compression with VRAM and system memory buffers, with GPU access being seamless underneath. So long as when doing VRAM -> system memory the KMD uses compressed -> uncompressed, to decompress it. This also allows CPU access to such buffers, assuming that userspace first decompress the corresponding pages being accessed. If the pages are already in system memory then KMD would have already decompressed them. When restoring such buffers with sysmem -> VRAM the KMD can't easily know which pages were originally compressed, so we always use uncompressed -> uncompressed here. With this it also means we can drop all the raw CCS handling on such platforms (including needing to allocate extra CCS storage). In order to support this we now need to have two different identity mappings for compressed and uncompressed VRAM. In this patch, we set up the additional identity map for the VRAM with compressed pat_index. We then select the appropriate mapping during migration/clear. During eviction (vram->sysmem), we use the mapping from compressed -> uncompressed. During restore (sysmem->vram), we need the mapping from uncompressed -> uncompressed. Therefore, we need to have two different mappings for compressed and uncompressed vram. We set up an additional identity map for the vram with compressed pat_index. We then select the appropriate mapping during migration/clear. v2: Formatting nits, Updated code to match recent changes in xe_migrate_prepare_vm(). (Matt) v3: Move identity map loop to a helper function. (Matt Brost) v4: Split helper function in different patch, and add asserts and nits. (Matt Brost) v5: Convert the 2 bool arguments of pte_update_size to flags argument (Matt Brost) v6: Formatting nits (Matt Brost) Signed-off-by: Akshata Jahagirdar <[email protected]> Reviewed-by: Himal Prasad Ghimiray <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Signed-off-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/b00db5c7267e54260cb6183ba24b15c1e6ae52a3.1721250309.git.akshata.jahagirdar@intel.com
2024-07-17drm/xe/migrate: Add helper function to program identity mapAkshata Jahagirdar1-40/+48
Add an helper function to program identity map. v2: Formatting nits Signed-off-by: Akshata Jahagirdar <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Signed-off-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/91dc05f05bd33076fb9a9f74f8495b48d2abff53.1721250309.git.akshata.jahagirdar@intel.com
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