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drm/i915: Fix mbus join config lookup

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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@vger.kernel.org
Fixes: f4dc008632 ("drm/i915/adl_p: MBUS programming")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220207132700.481-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 053f2b8563)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
This commit is contained in:
Ville Syrjälä 2022-02-07 15:27:00 +02:00 • committed by Tvrtko Ursulin
parent 698bef8ff5
commit 8d9d2a723d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_pm.c
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@ -4853,7 +4853,7 @@ 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;
}