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VPU on MTL has hardware optimizations and does not require 10ms D0 - D3hot transition delay imposed by PCI specification (PCIe r6.0, sec 5.9.) . The delay removal is traditionally done by adding PCI ID to quirk_remove_d3hot_delay() in drivers/pci/quirks.c . But since we do not need that optimization before driver probe and we can better specify in the ivpu driver on what (future) hardware use the optimization, we do not use quirk_remove_d3hot_delay() for that. Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230403121545.2995279-1-stanislaw.gruszka@linux.intel.com |
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| habanalabs | ||
| ivpu | ||
| drm_accel.c | ||
| Kconfig | ||
| Makefile | ||