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drm/radeon/kms: evergreen & ni reset SPI block on CP resume

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For some reason SPI block is in broken state after module
unloading. This lead to broken rendering after reloading
module. Fix this by reseting SPI block in CP resume function

Signed-off-by: Jerome Glisse <jglisse@redhat.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jerome Glisse 2011-08-24 20:00:17 +00:00 committed by Dave Airlie
parent 6380c50921
commit a49a50dad4
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/radeon/evergreen.c
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@ -1357,6 +1357,7 @@ int evergreen_cp_resume(struct radeon_device *rdev)
SOFT_RESET_PA |
SOFT_RESET_SH |
SOFT_RESET_VGT |
SOFT_RESET_SPI |
SOFT_RESET_SX));
RREG32(GRBM_SOFT_RESET);
mdelay(15);

1
drivers/gpu/drm/radeon/ni.c
View File

@ -1159,6 +1159,7 @@ int cayman_cp_resume(struct radeon_device *rdev)
SOFT_RESET_PA |
SOFT_RESET_SH |
SOFT_RESET_VGT |
SOFT_RESET_SPI |
SOFT_RESET_SX));
RREG32(GRBM_SOFT_RESET);
mdelay(15);