drm/atmel-hlcdc: Fix suspend/resume implementation

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The current suspend resume implementation is assuming register values are
kept when entering suspend, which is no longer the case with the
suspend-to-RAM on the sama5d2.

While at it, switch to the generic infrastructure to enter suspend mode
(drm_atomic_helper_suspend/resume()).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1488371461-22243-1-git-send-email-boris.brezillon@free-electrons.com

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This commit is contained in:

Boris Brezillon 2017-03-01 13:31:01 +01:00

parent 82c8e025b5

commit 99ed4d7eb2

3 changed files with 21 additions and 51 deletions

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33

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c

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31

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c

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8

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h

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