We want to make sure we control all the information being passed down to SMP block. Having access to the cfg pointer here may create bad things in the future.
Signed-off-by: Stephane Viau sviau@codeaurora.org --- drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h | 2 +- drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h index efb918d..a6facaf 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h @@ -61,7 +61,7 @@ struct mdp5_smp_block { int mmb_size; /* MMB: size in bytes */ uint32_t clients[MAX_CLIENTS]; /* SMP port allocation /pipe */ mdp5_smp_state_t reserved_state;/* SMP MMBs statically allocated */ - int reserved[MAX_CLIENTS]; /* # of MMBs allocated per client */ + uint8_t reserved[MAX_CLIENTS]; /* # of MMBs allocated per client */ };
#define MDP5_INTF_NUM_MAX 5 diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c index 563cca9..6f425c2 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c @@ -90,7 +90,7 @@ struct mdp5_smp { struct drm_device *dev;
- const struct mdp5_smp_block *cfg; + uint8_t reserved[MAX_CLIENTS]; /* fixed MMBs allocation per client */
int blk_cnt; int blk_size; @@ -141,10 +141,10 @@ static int smp_request_block(struct mdp5_smp *smp, struct mdp5_kms *mdp5_kms = get_kms(smp); struct mdp5_client_smp_state *ps = &smp->client_state[cid]; int i, ret, avail, cur_nblks, cnt = smp->blk_cnt; - int reserved; + uint8_t reserved; unsigned long flags;
- reserved = smp->cfg->reserved[cid]; + reserved = smp->reserved[cid];
spin_lock_irqsave(&smp->state_lock, flags);
@@ -405,12 +405,12 @@ struct mdp5_smp *mdp5_smp_init(struct drm_device *dev, const struct mdp5_smp_blo }
smp->dev = dev; - smp->cfg = cfg; smp->blk_cnt = cfg->mmb_count; smp->blk_size = cfg->mmb_size;
/* statically tied MMBs cannot be re-allocated: */ bitmap_copy(smp->state, cfg->reserved_state, smp->blk_cnt); + memcpy(smp->reserved, cfg->reserved, sizeof(smp->reserved)); spin_lock_init(&smp->state_lock);
return smp;