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Commit c10c6f04 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: APPLY: rename overlay_cache_data 



overlay_cache_data is not a suitable name for the struct. It is more of
a private data for the overlay.

Rename the struct to ovl_priv_data, and add a function,
get_ovl_priv(ovl), to get a pointer to the data.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent f6a5e087

drivers/video/omap2/dss/apply.c

+53 −46
Original line number Diff line number Diff line
@@ -54,7 +54,7 @@ 
 * +--------------------+

 */



struct overlay_cache_data {

struct ovl_priv_data {

	/* If true, cache changed, but not written to shadow registers. Set

	 * in apply(), cleared when registers written. */

	bool dirty;
@@ -90,12 +90,17 @@ struct manager_cache_data { 


static struct {

	spinlock_t lock;

	struct overlay_cache_data overlay_cache[MAX_DSS_OVERLAYS];

	struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS];

	struct manager_cache_data manager_cache[MAX_DSS_MANAGERS];



	bool irq_enabled;

} dss_cache;



static struct ovl_priv_data *get_ovl_priv(struct omap_overlay *ovl)

{

	return &dss_cache.ovl_priv_data_array[ovl->id];

}



void dss_apply_init(void)

{

	spin_lock_init(&dss_cache.lock);
@@ -177,7 +182,7 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) 
int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)

{

	unsigned long timeout = msecs_to_jiffies(500);

	struct overlay_cache_data *oc;

	struct ovl_priv_data *op;

	struct omap_dss_device *dssdev;

	u32 irq;

	int r;
@@ -196,15 +201,15 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) 


	irq = dispc_mgr_get_vsync_irq(ovl->manager->id);



	oc = &dss_cache.overlay_cache[ovl->id];

	op = get_ovl_priv(ovl);

	i = 0;

	while (1) {

		unsigned long flags;

		bool shadow_dirty, dirty;



		spin_lock_irqsave(&dss_cache.lock, flags);

		dirty = oc->dirty;

		shadow_dirty = oc->shadow_dirty;

		dirty = op->dirty;

		shadow_dirty = op->shadow_dirty;

		spin_unlock_irqrestore(&dss_cache.lock, flags);



		if (!dirty && !shadow_dirty) {
@@ -239,17 +244,17 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) 


static int dss_ovl_write_regs(struct omap_overlay *ovl)

{

	struct overlay_cache_data *c;

	struct ovl_priv_data *op;

	struct omap_overlay_info *oi;

	bool ilace, replication;

	int r;



	DSSDBGF("%d", ovl->id);



	c = &dss_cache.overlay_cache[ovl->id];

	oi = &c->info;

	op = get_ovl_priv(ovl);

	oi = &op->info;



	if (!c->enabled) {

	if (!op->enabled) {

		dispc_ovl_enable(ovl->id, 0);

		return 0;

	}
@@ -258,7 +263,7 @@ static int dss_ovl_write_regs(struct omap_overlay *ovl) 


	ilace = ovl->manager->device->type == OMAP_DISPLAY_TYPE_VENC;



	dispc_ovl_set_channel_out(ovl->id, c->channel);

	dispc_ovl_set_channel_out(ovl->id, op->channel);



	r = dispc_ovl_setup(ovl->id, oi, ilace, replication);

	if (r) {
@@ -268,7 +273,7 @@ static int dss_ovl_write_regs(struct omap_overlay *ovl) 
		return r;

	}



	dispc_ovl_set_fifo_threshold(ovl->id, c->fifo_low, c->fifo_high);

	dispc_ovl_set_fifo_threshold(ovl->id, op->fifo_low, op->fifo_high);



	dispc_ovl_enable(ovl->id, 1);
@@ -294,7 +299,7 @@ static int dss_write_regs(void) 
{

	struct omap_overlay *ovl;

	struct omap_overlay_manager *mgr;

	struct overlay_cache_data *oc;

	struct ovl_priv_data *op;

	struct manager_cache_data *mc;

	const int num_ovls = dss_feat_get_num_ovls();

	const int num_mgrs = dss_feat_get_num_mgrs();
@@ -315,16 +320,16 @@ static int dss_write_regs(void) 
	/* Commit overlay settings */

	for (i = 0; i < num_ovls; ++i) {

		ovl = omap_dss_get_overlay(i);

		oc = &dss_cache.overlay_cache[i];

		mc = &dss_cache.manager_cache[oc->channel];

		op = get_ovl_priv(ovl);

		mc = &dss_cache.manager_cache[op->channel];



		if (!oc->dirty)

		if (!op->dirty)

			continue;



		if (mc->manual_update && !mc->do_manual_update)

			continue;



		if (mgr_busy[oc->channel]) {

		if (mgr_busy[op->channel]) {

			busy = true;

			continue;

		}
@@ -333,9 +338,9 @@ static int dss_write_regs(void) 
		if (r)

			DSSERR("dss_ovl_write_regs %d failed\n", i);



		oc->dirty = false;

		oc->shadow_dirty = true;

		mgr_go[oc->channel] = true;

		op->dirty = false;

		op->shadow_dirty = true;

		mgr_go[op->channel] = true;

	}



	/* Commit manager settings */
@@ -385,7 +390,7 @@ static int dss_write_regs(void) 
void dss_mgr_start_update(struct omap_overlay_manager *mgr)

{

	struct manager_cache_data *mc;

	struct overlay_cache_data *oc;

	struct ovl_priv_data *op;

	struct omap_overlay *ovl;



	mc = &dss_cache.manager_cache[mgr->id];
@@ -395,8 +400,8 @@ void dss_mgr_start_update(struct omap_overlay_manager *mgr) 
	mc->do_manual_update = false;



	list_for_each_entry(ovl, &mgr->overlays, list) {

		oc = &dss_cache.overlay_cache[ovl->id];

		oc->shadow_dirty = false;

		op = get_ovl_priv(ovl);

		op->shadow_dirty = false;

	}



	mc = &dss_cache.manager_cache[mgr->id];
@@ -441,8 +446,9 @@ static void dss_unregister_vsync_isr(void) 


static void dss_apply_irq_handler(void *data, u32 mask)

{

	struct omap_overlay *ovl;

	struct manager_cache_data *mc;

	struct overlay_cache_data *oc;

	struct ovl_priv_data *op;

	const int num_ovls = dss_feat_get_num_ovls();

	const int num_mgrs = dss_feat_get_num_mgrs();

	int i, r;
@@ -454,9 +460,10 @@ static void dss_apply_irq_handler(void *data, u32 mask) 
	spin_lock(&dss_cache.lock);



	for (i = 0; i < num_ovls; ++i) {

		oc = &dss_cache.overlay_cache[i];

		if (!mgr_busy[oc->channel])

			oc->shadow_dirty = false;

		ovl = omap_dss_get_overlay(i);

		op = get_ovl_priv(ovl);

		if (!mgr_busy[op->channel])

			op->shadow_dirty = false;

	}



	for (i = 0; i < num_mgrs; ++i) {
@@ -488,10 +495,10 @@ static void dss_apply_irq_handler(void *data, u32 mask) 


static int omap_dss_mgr_apply_ovl(struct omap_overlay *ovl)

{

	struct overlay_cache_data *oc;

	struct ovl_priv_data *op;

	struct omap_dss_device *dssdev;



	oc = &dss_cache.overlay_cache[ovl->id];

	op = get_ovl_priv(ovl);



	if (ovl->manager_changed) {

		ovl->manager_changed = false;
@@ -499,9 +506,9 @@ static int omap_dss_mgr_apply_ovl(struct omap_overlay *ovl) 
	}



	if (!overlay_enabled(ovl)) {

		if (oc->enabled) {

			oc->enabled = false;

			oc->dirty = true;

		if (op->enabled) {

			op->enabled = false;

			op->dirty = true;

		}

		return 0;

	}
@@ -512,20 +519,20 @@ static int omap_dss_mgr_apply_ovl(struct omap_overlay *ovl) 
	dssdev = ovl->manager->device;



	if (dss_check_overlay(ovl, dssdev)) {

		if (oc->enabled) {

			oc->enabled = false;

			oc->dirty = true;

		if (op->enabled) {

			op->enabled = false;

			op->dirty = true;

		}

		return -EINVAL;

	}



	ovl->info_dirty = false;

	oc->dirty = true;

	oc->info = ovl->info;

	op->dirty = true;

	op->info = ovl->info;



	oc->channel = ovl->manager->id;

	op->channel = ovl->manager->id;



	oc->enabled = true;

	op->enabled = true;



	return 0;

}
@@ -556,13 +563,13 @@ static void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr) 


static void omap_dss_mgr_apply_ovl_fifos(struct omap_overlay *ovl)

{

	struct overlay_cache_data *oc;

	struct ovl_priv_data *op;

	struct omap_dss_device *dssdev;

	u32 size, burst_size;



	oc = &dss_cache.overlay_cache[ovl->id];

	op = get_ovl_priv(ovl);



	if (!oc->enabled)

	if (!op->enabled)

		return;



	dssdev = ovl->manager->device;
@@ -578,14 +585,14 @@ static void omap_dss_mgr_apply_ovl_fifos(struct omap_overlay *ovl) 
	case OMAP_DISPLAY_TYPE_VENC:

	case OMAP_DISPLAY_TYPE_HDMI:

		default_get_overlay_fifo_thresholds(ovl->id, size,

				burst_size, &oc->fifo_low,

				&oc->fifo_high);

				burst_size, &op->fifo_low,

				&op->fifo_high);

		break;

#ifdef CONFIG_OMAP2_DSS_DSI

	case OMAP_DISPLAY_TYPE_DSI:

		dsi_get_overlay_fifo_thresholds(ovl->id, size,

				burst_size, &oc->fifo_low,

				&oc->fifo_high);

				burst_size, &op->fifo_low,

				&op->fifo_high);

		break;

#endif

	default: