On Mon, 2020-04-06 at 15:23 -0400, Sean Paul wrote:
On Fri, Apr 3, 2020 at 4:08 PM Lyude Paul lyude@redhat.com wrote:
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(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 2b9ce965f044..7aaf184a2e5f 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -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",
Should we print status in base16 here?
jfyi - I realized we don't actually need to do this, because we do this in the next patch whoops. Just figured I'd point that out
Otherwise:
Reviewed-by: Sean Paul sean@poorly.run
status, count);
return -EINVAL; } return 0;
-fail:
return ret;
} EXPORT_SYMBOL(drm_dp_check_act_status);
-- 2.25.1