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| author | Lyude Paul <lyude@redhat.com> | 2020-04-03 22:03:25 +0200 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2020-04-06 21:55:44 +0200 |
| commit | 61272e47c18cd05c0c5e5a4a2bee736bf37d765d (patch) | |
| tree | 511a3a1134ceb2cd9aab2d0b45b461cea095c141 /include/drm | |
| parent | drm/dp_mst: Fix NULL deref in drm_dp_get_one_sb_msg() (diff) | |
| download | linux-61272e47c18cd05c0c5e5a4a2bee736bf37d765d.tar.xz linux-61272e47c18cd05c0c5e5a4a2bee736bf37d765d.zip | |
drm/dp_mst: Don't drop NAKs for down responses
It looks like that when we introduced the ability to handle multiple
down requests at once, we accidentally started dropping NAK replies -
causing sideband messages which got NAK'd to seemingly timeout and cause
all sorts of weirdness.
So, fix this by making sure we don't return from
drm_dp_mst_handle_down_rep() early, but instead treat NAKs like any
other message.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: fbc821c4a506 ("drm/mst: Support simultaneous down replies")
Cc: Wayne Lin <Wayne.Lin@amd.com>
Cc: Wayne Lin <waynelin@amd.com>
Cc: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200403200325.885628-1-lyude@redhat.com
Reviewed-by: Sean Paul <sean@poorly.run>
Diffstat (limited to 'include/drm')
0 files changed, 0 insertions, 0 deletions