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authorBjorn Helgaas <bhelgaas@google.com>2017-05-09 18:10:18 +0300
committerBjorn Helgaas <bhelgaas@google.com>2017-06-30 19:15:07 +0300
commit5938628c51a711ae2169d68b2e3a4f7d93d4dbea (patch)
tree4f589124ed7e85574fb993d4ac5e3dc1db03d971 /drivers/ssb/scan.c
parentee76380c1e751605fcb0ee1aa3632bcf6fd0bf08 (diff)
downloadlinux-5938628c51a711ae2169d68b2e3a4f7d93d4dbea.tar.xz
drm/radeon: make MacBook Pro d3_delay quirk more generic
The PCI Power Management Spec, r1.2, sec 5.6.1, requires a 10 millisecond delay when powering on a device, i.e., transitioning from state D3hot to D0. Apparently some devices require more time, and d1f9809ed131 ("drm/radeon: add quirk for d3 delay during switcheroo poweron for apple macbooks") added an additional delay for the Radeon device in a MacBook Pro. 4807c5a8a0c8 ("drm/radeon: add a PX quirk list") made the affected device more explicit. Add a generic PCI quirk to increase the d3_delay. This means we will use the additional delay for *all* wakeups from D3, not just those initiated by radeon_switcheroo_set_state(). Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andreas Boll <andreas.boll.dev@gmail.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> CC: Maarten Lankhorst <maarten.lankhorst@canonical.com>
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