drm/i915: Disable D3Cold in s2idle and runtime pm

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s2idle and runtime pm puts the pci gfx device in D3Hot, ACPI runtime
monitors the pci tree,if it sees complete tree as D3Hot,it transitions
the device to D3Cold.But i915 do not have D3Cold support in S2idle or in
runtime pm. so disabling D3cold in above flows and its FIXME.

Added pci D3Cold enable/disable in s2idle and runtime suspend/resume
flows.

Signed-off-by: Tilak Tangudu <tilak.tangudu@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211115154054.3220476-1-tilak.tangudu@intel.com

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Tilak Tangudu 2021-11-15 21:10:54 +05:30 • committed by Rodrigo Vivi

parent d5e781a2e5

commit 1a085e2341

1 changed files with 19 additions and 0 deletions

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drivers/gpu/drm/i915/i915_drv.c

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