From: Rodrigo Vivi Date: Wed, 19 Nov 2014 15:37:00 +0000 (-0800) Subject: drm/i915: PSR VLV/CHV: Introduce setup, enable and disable functions X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~75^2~43^2~122 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2bbc343de8ea463af9da810b6e5e32dbd636b44;p=pandora-kernel.git drm/i915: PSR VLV/CHV: Introduce setup, enable and disable functions The biggest difference from HSW/BDW PSR here is that VLV enable_source function enables PSR but let it in Inactive state. So it might be called on early stage along with setup and enable_sink ones. v2: Rebase over intel_psr.c; Remove docs from static functions; Merge vlv_psr_active_on_pipe; Timeout for psr transition is 250us; Remove SRC_TRASMITTER_STATE; v3: Rebase after is_psr_enabled function got removed; Get SRC_TRANSMITTER_STATE back to be on the safe side since default for panels is to require link training on exit when main link off; As pointed out by Durgadoss msecs_to_jiffies used on wait_for only uses int, so let's use 1 instead. Althought the 1/4 of this is needed for the transition let's use 1 for simplicity; Cc: Durgadoss R Signed-off-by: Rodrigo Vivi Reviewed-by: Durgadoss R Signed-off-by: Daniel Vetter --- Reading git-diff-tree failed