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(parent: 75104fa) | patch
drm/radeon: properly handle mc_stop/mc_resume on evergreen+ (v2)
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 15 Aug 2012 21:18:42 +0000 (17:18 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 20 Sep 2012 17:10:33 +0000 (13:10 -0400)
commit62444b7462a2b98bc78d68736c03a7c4e66ba7e2
tree818b15a0c9503e39210967c1d7adc021c5cfe53atree | snapshot
parent75104fa4f98cdac5e97be5cb59463d49eb08da85commit | diff
drm/radeon: properly handle mc_stop/mc_resume on evergreen+ (v2)

- Stop the displays from accessing the FB
- Block CPU access
- Turn off MC client access

This should fix issues some users have seen, especially
with UEFI, when changing the MC FB location that result
in hangs or display corruption.

v2: fix crtc enabled check noticed by Luca Tettamanti

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/evergreen.c diff | blob | history
drivers/gpu/drm/radeon/evergreen_reg.h diff | blob | history
drivers/gpu/drm/radeon/evergreend.h diff | blob | history
drivers/gpu/drm/radeon/radeon_asic.h diff | blob | history
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