@@ -4473,33 +4473,31 @@ static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr,
*/
int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr)
{
+ int count = 0, ret;
u8 status;
- int ret;
- int count = 0;
do {
- ret = drm_dp_dpcd_readb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status);
-
+ ret = drm_dp_dpcd_readb(mgr->aux,
+ DP_PAYLOAD_TABLE_UPDATE_STATUS,
+ &status);
if (ret < 0) {
- DRM_DEBUG_KMS("failed to read payload table status %d\n", ret);
- goto fail;
+ DRM_DEBUG_KMS("failed to read payload table status %d\n",
+ ret);
+ return ret;
}
if (status & DP_PAYLOAD_ACT_HANDLED)
break;
count++;
udelay(100);
-
} while (count < 30);
if (!(status & DP_PAYLOAD_ACT_HANDLED)) {
- DRM_DEBUG_KMS("failed to get ACT bit %d after %d retries\n", status, count);
- ret = -EINVAL;
- goto fail;
+ DRM_DEBUG_KMS("failed to get ACT bit %d after %d retries\n",
+ status, count);
+ return -EINVAL;
}
return 0;
-fail:
- return ret;
}
EXPORT_SYMBOL(drm_dp_check_act_status);
Just add a bit more line wrapping, get rid of some extraneous whitespace, remove an unneeded goto label, and move around some variable declarations. No functional changes here. Signed-off-by: Lyude Paul <lyude@redhat.com> [this isn't a fix, but it's needed for the fix that comes after this] Fixes: ad7f8a1f9ced ("drm/helper: add Displayport multi-stream helper (v0.6)") Cc: Sean Paul <sean@poorly.run> Cc: <stable@vger.kernel.org> # v3.17+ --- drivers/gpu/drm/drm_dp_mst_topology.c | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-)