32 struct mdp5_kms *get_kms(struct mdp5_smp *smp)  in get_kms()  argument
34 	struct msm_drm_private *priv = smp->dev->dev_private;  in get_kms()
47 	 * Note on SMP clients:  in pipe2client()
52 	 * if mdp5_cfg->smp.clients[SSPP_VIG0] = N,  in pipe2client()
58 	return mdp5_cfg->smp.clients[pipe] + plane;  in pipe2client()
62 static int smp_request_block(struct mdp5_smp *smp,  in smp_request_block()  argument
67 	int i, avail, cnt = smp->blk_cnt;  in smp_request_block()
73 	reserved = smp->reserved[cid];  in smp_request_block()
82 		DRM_DEV_ERROR(smp->dev->dev, "out of blks (req=%d > avail=%d)\n",  in smp_request_block()
96 static void set_fifo_thresholds(struct mdp5_smp *smp,  in set_fifo_thresholds()  argument
99 	u32 smp_entries_per_blk = smp->blk_size / (128 / BITS_PER_BYTE);  in set_fifo_thresholds()
102 	/* 1/4 of SMP pool that is being fetched */  in set_fifo_thresholds()
105 	smp->pipe_reqprio_fifo_wm0[pipe] = val * 1;  in set_fifo_thresholds()
106 	smp->pipe_reqprio_fifo_wm1[pipe] = val * 2;  in set_fifo_thresholds()
107 	smp->pipe_reqprio_fifo_wm2[pipe] = val * 3;  in set_fifo_thresholds()
112  * then the width used to calculate SMP block requirements is the post-
113  * decimated width.  Ie. SMP buffering sits downstream of decimation (which
116 uint32_t mdp5_smp_calculate(struct mdp5_smp *smp,  in mdp5_smp_calculate()  argument
121 	struct mdp5_kms *mdp5_kms = get_kms(smp);  in mdp5_smp_calculate()
134 	 * them together, writes to SMP using a single client.  in mdp5_smp_calculate()
152 		n = DIV_ROUND_UP(fetch_stride * nlines, smp->blk_size);  in mdp5_smp_calculate()
164 int mdp5_smp_assign(struct mdp5_smp *smp, struct mdp5_smp_state *state,  in mdp5_smp_assign()  argument
167 	struct mdp5_kms *mdp5_kms = get_kms(smp);  in mdp5_smp_assign()
178 		DBG("%s[%d]: request %d SMP blocks", pipe2name(pipe), i, n);  in mdp5_smp_assign()
179 		ret = smp_request_block(smp, state, cid, n);  in mdp5_smp_assign()
181 			DRM_DEV_ERROR(dev->dev, "Cannot allocate %d SMP blocks: %d\n",  in mdp5_smp_assign()
194 /* Release SMP blocks for all clients of the pipe */
195 void mdp5_smp_release(struct mdp5_smp *smp, struct mdp5_smp_state *state,  in mdp5_smp_release()  argument
199 	int cnt = smp->blk_cnt;  in mdp5_smp_release()
218 static unsigned update_smp_state(struct mdp5_smp *smp,  in update_smp_state()  argument
221 	int cnt = smp->blk_cnt;  in update_smp_state()
229 		val = smp->alloc_w[idx];  in update_smp_state()
246 		smp->alloc_w[idx] = val;  in update_smp_state()
247 		smp->alloc_r[idx] = val;  in update_smp_state()
255 static void write_smp_alloc_regs(struct mdp5_smp *smp)  in write_smp_alloc_regs()  argument
257 	struct mdp5_kms *mdp5_kms = get_kms(smp);  in write_smp_alloc_regs()
260 	num_regs = smp->blk_cnt / 3 + 1;  in write_smp_alloc_regs()
264 			   smp->alloc_w[i]);  in write_smp_alloc_regs()
266 			   smp->alloc_r[i]);  in write_smp_alloc_regs()
270 static void write_smp_fifo_regs(struct mdp5_smp *smp)  in write_smp_fifo_regs()  argument
272 	struct mdp5_kms *mdp5_kms = get_kms(smp);  in write_smp_fifo_regs()
280 			   smp->pipe_reqprio_fifo_wm0[pipe]);  in write_smp_fifo_regs()
282 			   smp->pipe_reqprio_fifo_wm1[pipe]);  in write_smp_fifo_regs()
284 			   smp->pipe_reqprio_fifo_wm2[pipe]);  in write_smp_fifo_regs()
288 void mdp5_smp_prepare_commit(struct mdp5_smp *smp, struct mdp5_smp_state *state)  in mdp5_smp_prepare_commit()  argument
299 			nblks += update_smp_state(smp, cid, cs);  in mdp5_smp_prepare_commit()
305 		set_fifo_thresholds(smp, pipe, nblks);  in mdp5_smp_prepare_commit()
308 	write_smp_alloc_regs(smp);  in mdp5_smp_prepare_commit()
309 	write_smp_fifo_regs(smp);  in mdp5_smp_prepare_commit()
314 void mdp5_smp_complete_commit(struct mdp5_smp *smp, struct mdp5_smp_state *state)  in mdp5_smp_complete_commit()  argument
320 		set_fifo_thresholds(smp, pipe, 0);  in mdp5_smp_complete_commit()
323 	write_smp_fifo_regs(smp);  in mdp5_smp_complete_commit()
328 void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p)  in mdp5_smp_dump()  argument
330 	struct mdp5_kms *mdp5_kms = get_kms(smp);  in mdp5_smp_dump()
346 	state = &global_state->smp;  in mdp5_smp_dump()
355 			int inuse = bitmap_weight(cs, smp->blk_cnt);  in mdp5_smp_dump()
365 	drm_printf(p, "TOTAL:\t%d\t(of %d)\n", total, smp->blk_cnt);  in mdp5_smp_dump()
366 	drm_printf(p, "AVAIL:\t%d\n", smp->blk_cnt -  in mdp5_smp_dump()
367 			bitmap_weight(state->state, smp->blk_cnt));  in mdp5_smp_dump()
373 void mdp5_smp_destroy(struct mdp5_smp *smp)  in mdp5_smp_destroy()  argument
375 	kfree(smp);  in mdp5_smp_destroy()
382 	struct mdp5_smp *smp = NULL;  in mdp5_smp_init()  local
385 	smp = kzalloc(sizeof(*smp), GFP_KERNEL);  in mdp5_smp_init()
386 	if (unlikely(!smp)) {  in mdp5_smp_init()
391 	smp->dev = mdp5_kms->dev;  in mdp5_smp_init()
392 	smp->blk_cnt = cfg->mmb_count;  in mdp5_smp_init()
393 	smp->blk_size = cfg->mmb_size;  in mdp5_smp_init()
396 	state = &global_state->smp;  in mdp5_smp_init()
399 	bitmap_copy(state->state, cfg->reserved_state, smp->blk_cnt);  in mdp5_smp_init()
400 	memcpy(smp->reserved, cfg->reserved, sizeof(smp->reserved));  in mdp5_smp_init()
402 	return smp;  in mdp5_smp_init()
404 	if (smp)  in mdp5_smp_init()
405 		mdp5_smp_destroy(smp);  in mdp5_smp_init()