From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
The bogus loop from compute_dbuf_slices() was copied into
check_mbus_joined() as well. So this lookup is wrong as well.
Fix it.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: f4dc00863226 ("drm/i915/adl_p: MBUS programming")
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index da721aea70ff..23d4bb011fc8 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4831,7 +4831,7 @@ static bool check_mbus_joined(u8 active_pipes,
{
int i;
- for (i = 0; i < dbuf_slices[i].active_pipes; i++) {
+ for (i = 0; dbuf_slices[i].active_pipes != 0; i++) {
if (dbuf_slices[i].active_pipes == active_pipes)
return dbuf_slices[i].join_mbus;
}
--
2.34.1
