diff options
| author | Alex Deucher | 2010-12-21 22:05:39 +0100 |
|---|---|---|
| committer | Dave Airlie | 2011-01-04 23:31:50 +0100 |
| commit | 17db7042b7ff77a4ae8b83ab42ec8286a9715a48 (patch) | |
| tree | 0b79514c91067ce65e501dfda319b4ee5544b78d /drivers/gpu | |
| parent | Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next (diff) | |
| download | kernel-qcow2-linux-17db7042b7ff77a4ae8b83ab42ec8286a9715a48.tar.gz kernel-qcow2-linux-17db7042b7ff77a4ae8b83ab42ec8286a9715a48.tar.xz kernel-qcow2-linux-17db7042b7ff77a4ae8b83ab42ec8286a9715a48.zip | |
drm/radeon/kms: implement gpu lockup check for evergreen
Now that soft reset works, we can add this.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 1 |
2 files changed, 25 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index ec641ce64764..3ae63ceb9c33 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2085,8 +2085,30 @@ int evergreen_mc_init(struct radeon_device *rdev) bool evergreen_gpu_is_lockup(struct radeon_device *rdev) { - /* FIXME: implement for evergreen */ - return false; + u32 srbm_status; + u32 grbm_status; + u32 grbm_status_se0, grbm_status_se1; + struct r100_gpu_lockup *lockup = &rdev->config.evergreen.lockup; + int r; + + srbm_status = RREG32(SRBM_STATUS); + grbm_status = RREG32(GRBM_STATUS); + grbm_status_se0 = RREG32(GRBM_STATUS_SE0); + grbm_status_se1 = RREG32(GRBM_STATUS_SE1); + if (!(grbm_status & GUI_ACTIVE)) { + r100_gpu_lockup_update(lockup, &rdev->cp); + return false; + } + /* force CP activities */ + r = radeon_ring_lock(rdev, 2); + if (!r) { + /* PACKET2 NOP */ + radeon_ring_write(rdev, 0x80000000); + radeon_ring_write(rdev, 0x80000000); + radeon_ring_unlock_commit(rdev); + } + rdev->cp.rptr = RREG32(CP_RB_RPTR); + return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp); } static int evergreen_gpu_soft_reset(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 431d4186ddf0..d2697f8f2da8 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1031,6 +1031,7 @@ struct evergreen_asic { unsigned tiling_npipes; unsigned tiling_group_size; unsigned tile_config; + struct r100_gpu_lockup lockup; }; union radeon_asic_config { |