aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c
index 361c064ba44c..16702aecf0df 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c
@@ -74,7 +74,7 @@ struct mdp5_smp {
spinlock_t state_lock;
mdp5_smp_state_t state; /* to track smp allocation amongst pipes: */
- struct mdp5_client_smp_state client_state[CID_MAX];
+ struct mdp5_client_smp_state client_state[MAX_CLIENTS];
};
static inline
@@ -85,27 +85,31 @@ struct mdp5_kms *get_kms(struct mdp5_smp *smp)
return to_mdp5_kms(to_mdp_kms(priv->kms));
}
-static inline enum mdp5_client_id pipe2client(enum mdp5_pipe pipe, int plane)
+static inline u32 pipe2client(enum mdp5_pipe pipe, int plane)
{
- WARN_ON(plane >= pipe2nclients(pipe));
- switch (pipe) {
- case SSPP_VIG0: return CID_VIG0_Y + plane;
- case SSPP_VIG1: return CID_VIG1_Y + plane;
- case SSPP_VIG2: return CID_VIG2_Y + plane;
- case SSPP_RGB0: return CID_RGB0;
- case SSPP_RGB1: return CID_RGB1;
- case SSPP_RGB2: return CID_RGB2;
- case SSPP_DMA0: return CID_DMA0_Y + plane;
- case SSPP_DMA1: return CID_DMA1_Y + plane;
- case SSPP_VIG3: return CID_VIG3_Y + plane;
- case SSPP_RGB3: return CID_RGB3;
- default: return CID_UNUSED;
- }
+#define CID_UNUSED 0
+
+ if (WARN_ON(plane >= pipe2nclients(pipe)))
+ return CID_UNUSED;
+
+ /*
+ * Note on SMP clients:
+ * For ViG pipes, fetch Y/Cr/Cb-components clients are always
+ * consecutive, and in that order.
+ *
+ * e.g.:
+ * if mdp5_cfg->smp.clients[SSPP_VIG0] = N,
+ * Y plane's client ID is N
+ * Cr plane's client ID is N + 1
+ * Cb plane's client ID is N + 2
+ */
+
+ return mdp5_cfg->smp.clients[pipe] + plane;
}
/* step #1: update # of blocks pending for the client: */
static int smp_request_block(struct mdp5_smp *smp,
- enum mdp5_client_id cid, int nblks)
+ u32 cid, int nblks)
{
struct mdp5_kms *mdp5_kms = get_kms(smp);
const struct mdp5_cfg_hw *hw_cfg;
@@ -227,7 +231,7 @@ void mdp5_smp_release(struct mdp5_smp *smp, enum mdp5_pipe pipe)
}
static void update_smp_state(struct mdp5_smp *smp,
- enum mdp5_client_id cid, mdp5_smp_state_t *assigned)
+ u32 cid, mdp5_smp_state_t *assigned)
{
struct mdp5_kms *mdp5_kms = get_kms(smp);
int cnt = smp->blk_cnt;
@@ -267,7 +271,7 @@ void mdp5_smp_configure(struct mdp5_smp *smp, enum mdp5_pipe pipe)
int i;
for (i = 0; i < pipe2nclients(pipe); i++) {
- enum mdp5_client_id cid = pipe2client(pipe, i);
+ u32 cid = pipe2client(pipe, i);
struct mdp5_client_smp_state *ps = &smp->client_state[cid];
bitmap_or(assigned, ps->inuse, ps->pending, cnt);
@@ -283,7 +287,7 @@ void mdp5_smp_commit(struct mdp5_smp *smp, enum mdp5_pipe pipe)
int i;
for (i = 0; i < pipe2nclients(pipe); i++) {
- enum mdp5_client_id cid = pipe2client(pipe, i);
+ u32 cid = pipe2client(pipe, i);
struct mdp5_client_smp_state *ps = &smp->client_state[cid];
/*