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drm/msm/mdp5: remove the cfg pointer from SMP struct

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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>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Stephane Viau 2015-09-15 08:41:44 -04:00 committed by Rob Clark
parent e01b1bfd88
commit 60fb49ca52
2 changed files with 5 additions and 5 deletions
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2
drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h
View File

@ -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

8
drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c
View File

@ -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;