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drm/radeon: properly lock disp in mc_stop/resume for evergreen+

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Need to wait for the new addresses to take affect before
re-enabling the MC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher
2013-04-10 09:58:42 -04:00
parent 2f86e2ede3
commit 968c01664c
2 changed files with 45 additions and 4 deletions
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2
drivers/gpu/drm/radeon/evergreen_reg.h
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@@ -226,6 +226,8 @@
#define EVERGREEN_CRTC_STATUS_HV_COUNT 0x6ea0
#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
#define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4
#define EVERGREEN_MASTER_UPDATE_LOCK 0x6ef4
#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
#define EVERGREEN_DC_GPIO_HPD_MASK 0x64b0
#define EVERGREEN_DC_GPIO_HPD_A 0x64b4