diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c index bf551885e019..1f795af89680 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c @@ -119,9 +119,10 @@ static int smp_request_block(struct mdp5_smp *smp, spin_lock_irqsave(&smp->state_lock, flags); - nblks -= reserved; - if (reserved) + if (reserved) { + nblks = max(0, nblks - reserved); DBG("%d MMBs allocated (%d reserved)", nblks, reserved); + } avail = cnt - bitmap_weight(smp->state, cnt); if (nblks > avail) { |