From: Dave Airlie <airlied@redhat.com>
Date: Mon, 15 Feb 2010 05:24:48 +0000 (+1000)
Subject: drm/radeon/kms: make sure retry count increases.
X-Git-Tag: firefly_0821_release~9833^2~3127^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e803e8b2628f3e9a42f45c5b7bb1f9821b08352c;p=firefly-linux-kernel-4.4.55.git
drm/radeon/kms: make sure retry count increases.
In testing I've never seen it go past 1 retry anyways but better
safe than sorry.
Reported by Droste on irc.
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index b32eeea5bb8b..99915a682d59 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -350,7 +350,7 @@ retry:
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
if (args.ucReplyStatus && !args.ucDataOutLen) {
- if (args.ucReplyStatus == 0x20 && retry_count < 10)
+ if (args.ucReplyStatus == 0x20 && retry_count++ < 10)
goto retry;
DRM_DEBUG("failed to get auxch %02x%02x %02x %02x 0x%02x %02x after %d retries\n",
req_bytes[1], req_bytes[0], req_bytes[2], req_bytes[3],