Since this commit:
commit 55f083c33feb7231c7574a64cd01b0477715a370
Author: Ben Skeggs <bskeggs at redhat.com>
Date: Tue May 20 10:18:03 2014 +1000
drm/nouveau/disp/dp: maintain link in response to hpd signal
a few bits of code have been dead.
This was noticed by Coverity Scan.
Signed-off-by: Brian Norris <computersforpeace at gmail.com>
Cc: Ben Skeggs <bskeggs at redhat.com>
---
Compile tested only
drivers/gpu/drm/nouveau/core/engine/disp/dport.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/dport.c
b/drivers/gpu/drm/nouveau/core/engine/disp/dport.c
index 5a5b59b21130..0f6fbe020c41 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/dport.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/dport.c
@@ -331,7 +331,6 @@ nouveau_dp_train(struct work_struct *w)
struct dp_state _dp = {
.outp = outp,
}, *dp = &_dp;
- u32 datarate = 0;
int ret;
/* bring capabilities within encoder limits */
@@ -345,20 +344,13 @@ nouveau_dp_train(struct work_struct *w)
outp->dpcd[1] = outp->base.info.dpconf.link_bw;
dp->pc2 = outp->dpcd[2] & DPCD_RC02_TPS3_SUPPORTED;
- /* restrict link config to the lowest required rate, if requested */
- if (datarate) {
- datarate = (datarate / 8) * 10; /* 8B/10B coding overhead */
- while (cfg[1].rate >= datarate)
- cfg++;
- }
- cfg--;
-
/* disable link interrupt handling during link training */
nouveau_event_put(outp->irq);
/* enable down-spreading and execute pre-train script from vbios */
dp_link_train_init(dp, outp->dpcd[3] & 0x01);
+ cfg--;
while (ret = -EIO, (++cfg)->rate) {
/* select next configuration supported by encoder and sink */
while (cfg->nr > (outp->dpcd[2] & DPCD_RC02_MAX_LANE_COUNT) ||
--
1.7.9.5
