From: Jerome Glisse Date: Wed, 24 Aug 2011 20:00:17 +0000 (+0000) Subject: drm/radeon/kms: evergreen & ni reset SPI block on CP resume X-Git-Tag: firefly_0821_release~7541^2~2821 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5297aef4dd2d5b7f17fe515a0a455bf969bb19a9;p=firefly-linux-kernel-4.4.55.git drm/radeon/kms: evergreen & ni reset SPI block on CP resume commit a49a50dad48586d42ebac1a6730c3a3cd5603421 upstream. 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 Reviewed-by: Alex Deucher Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 15bd0477a3e8..49f801b90d22 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -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); diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 559dbd412906..aa6f87aca13f 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1158,6 +1158,7 @@ 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);