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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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2024-10-15drm/amdgpu: Place NPS mode request on unloadLijo Lazar1-0/+1
If a user has requested NPS mode switch, place the request through PSP during unload of the driver. For devices which are part of a hive, all requests are placed together. If one of them fails, revert back to the current NPS mode. Signed-off-by: Lijo Lazar <[email protected]> Signed-off-by: Rajneesh Bhardwaj <[email protected]> Reviewed-by: Feifei Xu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-10-01drm/amd: Taint the kernel when enabling overdriveMario Limonciello1-0/+6
Some distributions have been patching amdgpu to enable overdrive by default which may compromise stability. Furthermore when bug reports are brought upstream it's not obvious that the system has been tampered with. When overdrive is enabled taint the kernel and leave a critical message in the logs for users so that it's obvious in a bug report it's been tampered with. Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Mario Limonciello <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-09-26drm/amdgpu: Drop delayed reset work handlerLijo Lazar1-80/+0
Drop delayed reset work handler as it is no longer used. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Feifei Xu <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Acked-by: Rajneesh Bhardwaj <[email protected]> Tested-by: Rajneesh Bhardwaj <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-09-26drm/amdgpu: Use init level for pending_reset flagLijo Lazar1-1/+0
Drop pending_reset flag in gmc block. Instead use init level to determine which type of init is preferred - in this case MINIMAL. Signed-off-by: Lijo Lazar <[email protected]> Acked-by: Rajneesh Bhardwaj <[email protected]> Tested-by: Rajneesh Bhardwaj <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-09-26drm/amdgpu: bump driver version for cleared VRAMAlex Deucher1-1/+2
Driver now clears VRAM on allocation. Bump the driver version so mesa knows when it will get cleared vram by default. Reviewed-by: Marek Olšák <[email protected]> Reviewed-by: Rajneesh Bhardwaj <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected] # 6.11.x
2024-09-06drm/amdgpu: Surface svm_default_granularity, a RW module parameterRamesh Errabolu1-0/+17
Enables users to update SVM's default granularity, used in buffer migration and handling of recoverable page faults. Param value is set in terms of log(numPages(buffer)), e.g. 9 for a 2 MIB buffer Signed-off-by: Ramesh Errabolu <[email protected]> Reviewed-by: Philip Yang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-08-29drm/amdgpu: add experimental resets debug flagAlex Deucher1-0/+6
Add this flag to enable experimental resets for testing before they are fully validated. Reviewed-and-tested-by: Jiadong Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-08-13drm/amdgpu: Do not set struct drm_driver.lastcloseThomas Zimmermann1-2/+0
Remove the implementation of struct drm_driver.lastclose. The hook was only necessary before in-kernel DRM clients existed, but is now obsolete. The code in amdgpu_driver_lastclose_kms() is performed by drm_lastclose(). v2: - update commit message Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-07-15drm/amd: Bump KMS_DRIVER_MINOR versionAurabindo Pillai1-1/+2
Increase the KMS minor version to indicate GFX12 DCC support since this contains a major change in how DCC is managed across IPs like GFX, DCN etc. This will be used mainly by userspace like Mesa to figure out DCC support on GFX12 hardware. v2: fix version number (Alex) Signed-off-by: Aurabindo Pillai <[email protected]> Acked-by: Alex Deucher <[email protected]> Reviewed-by: Marek Olšák <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-27Revert "drm/amd/amdgpu: add module parameter for jpeg"Kenneth Feng1-4/+0
This reverts commit d3620eeae82cccf8316e6754f8ddb52473e2e5ea. Revert this due to a final solution: commit ed3165d660d8 ("drm/amdgpu/jpeg5: reprogram doorbell setting after power up for each playback") Signed-off-by: Kenneth Feng <[email protected]> Reviewed-by: Sonny Jiang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-21Merge tag 'drm-misc-next-2024-05-30' of ↵Dave Airlie1-3/+3
https://gitlab.freedesktop.org/drm/misc/kernel into drm-next drm-misc-next for 6.11: UAPI Changes: - Deprecate DRM date and return a 0 date in DRM_IOCTL_VERSION Core Changes: - connector: Create a set of helpers to help with HDMI support - fbdev: Create memory manager optimized fbdev emulation - panic: Allow to select fonts, improve drm_fb_dma_get_scanout_buffer Driver Changes: - Remove driver owner assignments - Allow more drivers to compile with COMPILE_TEST - Conversions to drm_edid - ivpu: hardware scheduler support, profiling support, improvements to the platform support layer - mgag200: general reworks and improvements - nouveau: Add NVreg_RegistryDwords command line option - rockchip: Conversion to the hdmi helpers - sun4i: Conversion to the hdmi helpers - vc4: Conversion to the hdmi helpers - v3d: Perf counters improvements - zynqmp: IRQ and debugfs improvements - bridge: - Remove redundant checks on bridge->encoder - 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 - New panels: Lincoln Tech Sol LCD185-101CT, Microtips Technology 13-101HIEBCAF0-C, Microtips Technology MF-103HIEB0GA0, BOE nv110wum-l60, IVO t109nw41 Signed-off-by: Dave Airlie <[email protected]> From: Maxime Ripard <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/20240530-hilarious-flat-magpie-5fa186@houat
2024-05-17drm/amd/amdgpu: add module parameter for jpegKenneth Feng1-0/+4
add module parameter for jpeg. this is a temporary workaround for jpeg unit test fail on vcn 5.0 now. will be removed later. Signed-off-by: Kenneth Feng <[email protected]> Reviewed-by: Sonny Jiang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-17drm/amdgpu: switch default mes to uni mesLikun Gao1-2/+2
Switch the default mes to uni mes for gfx v12. V2: remove uni_mes set for gfx v11. Signed-off-by: Likun Gao <[email protected]> Reviewed-by: Jack Xiao <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-17drm/amdgpu: add debug flag to enable RAS ACAYang Wang1-0/+6
Use debug_mask=0x10 (BIT.4) param to help enable RAS ACA. (RAS ACA is disabled by default.) Signed-off-by: Yang Wang <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-13drm/amdgpu/umsch: add support to capture fw debug logSaleemkhan Jamadar1-0/+8
Added support to capture unsch fw debug logs in debugfs. To enable set amdgpu_umschfw_log =1 in boot args. v1 - rename variable to umsch_mm_fwlog (Veera) Signed-off-by: Saleemkhan Jamadar <[email protected]> Reviewed-by: Veerabadhran Gopalakrishnan <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-02drm/amdgpu: add module parameter 'amdgpu_uni_mes'Jack Xiao1-0/+10
Add module parameter 'amdgpu_uni_mes' to enable/disable unified mes fw support. Signed-off-by: Jack Xiao <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-02drm/fbdev-generic: Convert to fbdev-ttmThomas Zimmermann1-3/+3
Only TTM-based drivers use fbdev-generic. Rename it to fbdev-ttm and change the symbol infix from _generic_ to _ttm_. Link the source file into TTM helpers, so that it is only build if TTM-based drivers have been selected. Select DRM_TTM_HELPER for loongson. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Javier Martinez Canillas <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2024-04-23drm/amdgpu: Support setting reset_method at runtimeStanley.Yang1-1/+1
In order to support more test cases, support user change reset_method at runtime. Signed-off-by: Stanley.Yang <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-18drm/amdgpu: Skip the coredump collection on reset during driver reloadAhmad Rehman1-0/+1
In passthrough environment, the driver triggers the mode-1 reset on reload. The reset causes the core dump collection which is delayed task and prevents driver from unloading until it is completed. Since we do not need to collect data on "reset on reload" case, we can skip core dump collection. v2: Use the same flag to avoid calling amdgpu_reset_reg_dumps as well. Signed-off-by: Ahmad Rehman <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-09drm/amdgpu: Add support for BAMACO mode checkingMa Jun1-2/+4
Optimize the code to add support for BAMACO mode checking Signed-off-by: Ma Jun <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-09drm/amdgpu : Add mes_log_enable to control mes log featureshaoyunl1-0/+10
The MES log might slow down the performance for extra step of log the data, disable it by default and introduce a parameter can enable it when necessary Signed-off-by: shaoyunl <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-20drm/amdgpu: Init zone device and drm client after mode-1 reset on reloadAhmad Rehman1-1/+4
In passthrough environment, when amdgpu is reloaded after unload, mode-1 is triggered after initializing the necessary IPs, That init does not include KFD, and KFD init waits until the reset is completed. KFD init is called in the reset handler, but in this case, the zone device and drm client is not initialized, causing app to create kernel panic. v2: Removing the init KFD condition from amdgpu_amdkfd_drm_client_create. As the previous version has the potential of creating DRM client twice. v3: v2 patch results in SDMA engine hung as DRM open causes VM clear to SDMA before SDMA init. Adding the condition to in drm client creation, on top of v1, to guard against drm client creation call multiple times. Signed-off-by: Ahmad Rehman <[email protected]> Reviewed-by: Felix Kuehling <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-04drm/amdgpu: Use rpm_mode flag instead of checking it again for rpmMa Jun1-12/+12
Because the rpm_mode flag is already set when the driver is initialized, we use it directly for runtime suspend/resume instead of checking it again Signed-off-by: Ma Jun <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-29drm/amdgpu: remove misleading amdgpu_pmops_runtime_idle() commentBjorn Helgaas1-2/+1
After 4020c2280233 ("drm/amdgpu: don't runtime suspend if there are displays attached (v3)"), "ret" is unconditionally set later before being used, so there's point in initializing it and the associated comment is no longer meaningful. Remove the comment and the unnecessary initialization. Signed-off-by: Bjorn Helgaas <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-29Revert "drm/amd: Remove freesync video mode amdgpu parameter"Alex Deucher1-0/+27
This reverts commit e94e787e37b99645e7c02d20d0a1ba0f8a18a82a. This conflicts with how compositors want to handle VRR. Now that compositors actually handle VRR, we probably don't need freesync video. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2985 Acked-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-12drm/amdgpu: respect the abmlevel module parameter value if it is setHamza Mahfooz1-5/+6
Currently, if the abmlevel module parameter is set, it is possible for user space to override the ABM level at some point after boot. However, that is undesirable because it means that we aren't respecting the user's wishes with regard to the level that they want to use. So, prevent user space from changing the ABM level if the module parameter is set to a non-auto value. Tested-by: Mario Limonciello <[email protected]> Reviewed-by: Mario Limonciello <[email protected]> Signed-off-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-12drm/amdgpu: make damage clips support configurableHamza Mahfooz1-0/+13
We have observed that there are quite a number of PSR-SU panels on the market that are unable to keep up with what user space throws at them, resulting in hangs and random black screens. So, make damage clips support configurable and disable it by default for PSR-SU displays. Cc: [email protected] Reviewed-by: Mario Limonciello <[email protected]> Signed-off-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-07drm/amdgpu: skip to program GFXDEC registers for suspend abortPrike Liang1-0/+2
In the suspend abort cases, the gfx power rail doesn't turn off so some GFXDEC registers/CSB can't reset to default value and at this moment reinitialize GFXDEC/CSB will result in an unexpected error. So let skip those program sequence for the suspend abort case. Signed-off-by: Prike Liang <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-07drm/amdgpu: fix typo in parameter descriptionAlex Deucher1-1/+1
Missing space. Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-29drm/amdgpu: move the drm client creation behind drm device registrationLe Ma1-0/+4
This patch is to eliminate interrupt warning below: "[drm] Fence fallback timer expired on ring sdma0.0". An early vm pt clearing job is sent to SDMA ahead of interrupt enabled. And re-locating the drm client creation following after drm_dev_register looks like a more proper flow. v2: wrap the drm client creation Fixes: 1819200166ce ("drm/amdkfd: Export DMABufs from KFD using GEM handles") Signed-off-by: Le Ma <[email protected]> Reviewed-by: Felix Kuehling <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-18drm/amdgpu: revert "Adjust removal control flow for smu v13_0_2"Christian König1-32/+0
Calling amdgpu_device_ip_resume_phase1() during shutdown leaves the HW in an active state and is an unbalanced use of the IP callbacks. Using the IP callbacks like this can lead to memory leaks, double free and imbalanced reference counters. Leaving the HW in an active state can lead to DMA accesses to memory now freed by the driver. Both is a complete no-go for driver unload so completely revert the workaround for now. This reverts commit f5c7e7797060255dbc8160734ccc5ad6183c5e04. Signed-off-by: Christian König <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-15drm/amdgpu: Clean up errors in amdgpu_drv.cchenxuebing1-2/+2
Fix the following errors reported by checkpatch: ERROR: do not initialise globals to 0 Signed-off-by: chenxuebing <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-15drm/amdgpu: move debug options init prior to amdgpu device initLe Ma1-2/+2
To bring debug options into effect in early initialization phase Signed-off-by: Le Ma <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-15drm/amdgpu: add debug flag to place fw bo on vram for frontdoor loadingLe Ma1-0/+6
Use debug_mask=0x8 param to help isolating data path issues on new systems in early phase. v2: rename the flag for explicitness (lijo) Signed-off-by: Le Ma <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-15Revert "drm/amdgpu: add param to specify fw bo location for front-door loading"Le Ma1-5/+0
This reverts commit c572abffe9f50c8ba33060865449313b3f588c35. Will use debug module param instead of independent module param. Signed-off-by: Le Ma <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-05drm/amdgpu: add param to specify fw bo location for front-door loadingLe Ma1-0/+5
This param can help isolating data path issues on new systems in early phase. Signed-off-by: Le Ma <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-12-13drm/amdgpu: Enable tunneling on high-priority compute queuesFriedrich Vock1-1/+2
This improves latency if the GPU is already busy with other work. This is useful for VR compositors that submit highly latency-sensitive compositing work on high-priority compute queues while the GPU is busy rendering the next frame. Userspace merge request: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26462 v2: bump driver version (Alex) Reviewed-by: Marek Olšák <[email protected]> Signed-off-by: Friedrich Vock <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-12-13drm/amd/pm: setup the framework to support Wifi RFI mitigation featureEvan Quan1-0/+17
With WBRF feature supported, as a driver responding to the frequencies, amdgpu driver is able to do shadow pstate switching to mitigate possible interference(between its (G-)DDR memory clocks and local radio module frequency bands used by Wifi 6/6e/7). -- v1->v2: - update the prompt for feature support(Lijo) v8->v9: - update parameter document for smu_wbrf_event_handler(Simon) v9->v10: v10->v11: - correct the logics for wbrf range sorting(Lijo) v13: - Fix the format issue (IIpo Jarvinen) Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Mario Limonciello <[email protected]> Signed-off-by: Ma Jun <[email protected]> Signed-off-by: Ma Jun <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-11-29drm/amd: Enable PCIe PME from D3Mario Limonciello1-0/+2
When dGPU is put into BOCO it may be in D3cold but still able send PME on display hotplug event. For this to work it must be enabled as wake source from D3. When runpm is enabled use pci_wake_from_d3() to mark wakeup as enabled by default. Cc: [email protected] # 6.1+ Signed-off-by: Mario Limonciello <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-11-17drm/amdgpu: add a module parameter to control the AGP apertureAlex Deucher1-0/+10
Add a module parameter to control the AGP aperture. The AGP aperture is an aperture in the GPU's internal address space which provides direct non-paged access to the platform address space. This access is non-snooped so only uncached memory can be accessed. Add a knob so that we can toggle this for debugging. Fixes: 67318cb84341 ("drm/amdgpu/gmc11: set gart placement GC11") Acked-by: Christian König <[email protected]> Reviewed-by: Mario Limonciello <[email protected]> Tested-by: Mario Limonciello <[email protected]> # PHX & Navi33 Signed-off-by: Alex Deucher <[email protected]>
2023-11-03drm/amdgpu: Optimize the asic type fix codeMa Jun1-9/+26
Use a new struct array to define the asic information which asic type needs to be fixed. Signed-off-by: Ma Jun <[email protected]> Reviewed-by: Kenneth Feng <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-10-13drm/amd: Evict resources during PM ops prepare() callbackMario Limonciello1-3/+7
Linux PM core has a prepare() callback run before suspend. If the system is under high memory pressure, the resources may need to be evicted into swap instead. If the storage backing for swap is offlined during the suspend() step then such a call may fail. So move this step into prepare() to move evict majority of resources and update all non-pmops callers to call the same callback. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2362 Reviewed-by: Christian König <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Mario Limonciello <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-10-09drm/amdgpu: update ib start and size alignmentBoyuan Zhang1-1/+2
Update IB starting address alignment and size alignment with correct values for decode and encode IPs. Decode IB starting address alignment: 256 bytes Decode IB size alignment: 64 bytes Encode IB starting address alignment: 256 bytes Encode IB size alignment: 4 bytes Also bump amdgpu driver version for this update. Signed-off-by: Boyuan Zhang <[email protected]> Reviewed-by: Christian König <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-10-05drm/amdgpu: add new INFO ioctl query for the last GPU page faultAlex Deucher1-1/+2
Add a interface to query the last GPU page fault for the process. Useful for debugging context lost errors. v2: split vmhub representation between kernel and userspace v3: add locking when fetching fault info in INFO IOCTL Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238 libdrm MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238 Cc: [email protected] Reviewed-by: Christian König <[email protected]> Acked-by: Guchun Chen <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-09-20drm/amd: Add a module parameter for seamless bootMario Limonciello1-0/+8
The module parameter can be used to test more easily enabling seamless boot support on additional ASICs. Reviewed-by: Harry Wentland <[email protected]> Signed-off-by: Mario Limonciello <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-09-20drm/amdgpu: Use function for IP version checkLijo Lazar1-1/+1
Use an inline function for version check. Gives more flexibility to handle any format changes. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-09-11drm/amdgpu: Create an option to disable soft recoveryAndré Almeida1-0/+7
Create a module option to disable soft recoveries on amdgpu, making every recovery go through the device reset path. This option makes easier to force device resets for testing and debugging purposes. Signed-off-by: André Almeida <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-09-11drm/amdgpu: Merge debug module parametersAndré Almeida1-20/+36
Merge all developer debug options available as separated module parameters in one, making it obvious that are for developers. Drop the obsolete module options in favor of the new ones. Signed-off-by: André Almeida <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-08-31drm/amdgpu: add amdgpu_umsch_mm module parameterLang Yu1-0/+10
Enable Multi Media User Mode Scheduler (0 = disabled (default), 1 = enabled). Signed-off-by: Lang Yu <[email protected]> Acked-by: Leo Liu <[email protected]> Reviewed-by: Veerabadhran Gopalakrishnan <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2023-08-15drm/amdgpu: expand runpm parameterAlex Deucher1-17/+20
Allow the user to specify -2 as auto enabled with displays. By default we don't enter runtime suspend when there are displays attached because it does not work well in some desktop environments due to the driver sending hotplug events on resume in case any new displays were attached while the GPU was powered down. Some users still want this functionality though, so this lets you enable it. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2428 Reviewed-by: Guchun Chen <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
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