commit: a49a50dad48586d42ebac1a6730c3a3cd5603421 From: Jerome Glisse <jgli...@redhat.com> Date: Wed, 24 Aug 2011 20:00:17 +0000 Subject: [PATCH] drm/radeon/kms: evergreen & ni reset SPI block on CP resume
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 <jgli...@redhat.com Reviewed-by: Alex Deucher <alexander.deuc...@amd.com> Cc: sta...@kernel.org Signed-off-by: Dave Airlie <airl...@redhat.com> --- drivers/gpu/drm/radeon/evergreen.c | 1 + drivers/gpu/drm/radeon/ni.c | 1 + 2 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index fb5fa08..d8d71a3 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 44c4750..a2e00fa 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -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); _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable