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drm/xe/pm: Add vram_d3cold_threshold for d3cold capable device

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Do not register vram_d3cold_threshold device sysfs universally
for each gfx device, only register sysfs and set the threshold
value for d3cold capable devices.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/all/20230802070449.2426563-1-anshuman.gupta@intel.com/
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Anshuman Gupta 2023-08-02 12:34:49 +05:30 committed by Rodrigo Vivi
parent c7e4a611f3
commit 3d4b0bfcd9
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/xe/xe_pm.c
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@ -154,8 +154,11 @@ void xe_pm_init(struct xe_device *xe)
drmm_mutex_init(&xe->drm, &xe->d3cold.lock);
xe->d3cold.capable = xe_pm_pci_d3cold_capable(pdev);
xe_device_sysfs_init(xe);
xe_pm_set_vram_threshold(xe, DEFAULT_VRAM_THRESHOLD);
if (xe->d3cold.capable) {
xe_device_sysfs_init(xe);
xe_pm_set_vram_threshold(xe, DEFAULT_VRAM_THRESHOLD);
}
xe_pm_runtime_init(xe);
}