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drm/exynos: hdmi: fix power order issue
authorInki Dae <inki.dae@samsung.com>
Fri, 13 Jun 2014 08:44:40 +0000 (17:44 +0900)
committerInki Dae <inki.dae@samsung.com>
Tue, 24 Jun 2014 02:11:54 +0000 (11:11 +0900)
commit0b878ec7bad6cec4adcf2f2a1b8e14db1e5a5198
tree4e75157cae77ed9c995f455bebc76327c6a27f12tree | snapshot
parenta0d800ddb2172f2da92426d4d78913597ff42e77commit | diff
drm/exynos: hdmi: fix power order issue

This patch resolves page fault issue of Mixer when disabled.

The SFRs of VP and Mixer are updated by Vertical Sync of Timing
generator which is a part of HDMI so the sequence to disable TV
Subsystem should be as following:
VP -> Mixer -> HDMI

For this, this patch disables Mixer and VP (if used) prior to
disabling HDMI.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
drivers/gpu/drm/exynos/exynos_hdmi.c diff | blob | history
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