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-rw-r--r--drivers/video/omap2/displays/panel-acx565akm.c13
-rw-r--r--drivers/video/omap2/displays/panel-generic-dpi.c23
-rw-r--r--drivers/video/omap2/displays/panel-lgphilips-lb035q02.c12
-rw-r--r--drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c12
-rw-r--r--drivers/video/omap2/displays/panel-taal.c4
-rw-r--r--drivers/video/omap2/displays/panel-tpo-td043mtea1.c177
-rw-r--r--drivers/video/omap2/dss/apply.c275
-rw-r--r--drivers/video/omap2/dss/core.c135
-rw-r--r--drivers/video/omap2/dss/dispc.c121
-rw-r--r--drivers/video/omap2/dss/dispc_coefs.c9
-rw-r--r--drivers/video/omap2/dss/display.c10
-rw-r--r--drivers/video/omap2/dss/dsi.c65
-rw-r--r--drivers/video/omap2/dss/dss.c17
-rw-r--r--drivers/video/omap2/dss/dss.h10
-rw-r--r--drivers/video/omap2/dss/dss_features.c181
-rw-r--r--drivers/video/omap2/dss/dss_features.h54
-rw-r--r--drivers/video/omap2/dss/hdmi.c278
-rw-r--r--drivers/video/omap2/dss/manager.c12
-rw-r--r--drivers/video/omap2/dss/rfbi.c36
-rw-r--r--drivers/video/omap2/dss/ti_hdmi.h56
-rw-r--r--drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c94
-rw-r--r--drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h47
-rw-r--r--drivers/video/omap2/dss/venc.c32
-rw-r--r--drivers/video/omap2/omapfb/omapfb-ioctl.c2
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c101
-rw-r--r--drivers/video/omap2/vram.c99
26 files changed, 993 insertions, 882 deletions
diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
index 51a87e149e24..d26f37ac69d8 100644
--- a/drivers/video/omap2/displays/panel-acx565akm.c
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -809,18 +809,7 @@ static struct spi_driver acx565akm_spi_driver = {
.remove = __devexit_p(acx565akm_spi_remove),
};
-static int __init acx565akm_init(void)
-{
- return spi_register_driver(&acx565akm_spi_driver);
-}
-
-static void __exit acx565akm_exit(void)
-{
- spi_unregister_driver(&acx565akm_spi_driver);
-}
-
-module_init(acx565akm_init);
-module_exit(acx565akm_exit);
+module_spi_driver(acx565akm_spi_driver);
MODULE_AUTHOR("Nokia Corporation");
MODULE_DESCRIPTION("acx565akm LCD Driver");
diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c
index 28b9a6d61b0f..30fe4dfeb227 100644
--- a/drivers/video/omap2/displays/panel-generic-dpi.c
+++ b/drivers/video/omap2/displays/panel-generic-dpi.c
@@ -363,6 +363,29 @@ static struct panel_config generic_dpi_panels[] = {
.name = "ortustech_com43h4m10xtc",
},
+
+ /* Innolux AT080TN52 */
+ {
+ {
+ .x_res = 800,
+ .y_res = 600,
+
+ .pixel_clock = 41142,
+
+ .hsw = 20,
+ .hfp = 210,
+ .hbp = 46,
+
+ .vsw = 10,
+ .vfp = 12,
+ .vbp = 23,
+ },
+ .acb = 0x0,
+ .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+ OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO,
+
+ .name = "innolux_at080tn52",
+ },
};
struct panel_drv_data {
diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
index e0eb35be303e..0841cc2b3f77 100644
--- a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
+++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
@@ -264,16 +264,6 @@ static struct spi_driver lb035q02_spi_driver = {
.remove = __devexit_p(lb035q02_panel_spi_remove),
};
-static int __init lb035q02_panel_drv_init(void)
-{
- return spi_register_driver(&lb035q02_spi_driver);
-}
-
-static void __exit lb035q02_panel_drv_exit(void)
-{
- spi_unregister_driver(&lb035q02_spi_driver);
-}
+module_spi_driver(lb035q02_spi_driver);
-module_init(lb035q02_panel_drv_init);
-module_exit(lb035q02_panel_drv_exit);
MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
index 0eb31caddca8..8b38b39213f4 100644
--- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
+++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
@@ -350,18 +350,8 @@ static struct spi_driver nec_8048_spi_driver = {
},
};
-static int __init nec_8048_lcd_init(void)
-{
- return spi_register_driver(&nec_8048_spi_driver);
-}
-
-static void __exit nec_8048_lcd_exit(void)
-{
- return spi_unregister_driver(&nec_8048_spi_driver);
-}
+module_spi_driver(nec_8048_spi_driver);
-module_init(nec_8048_lcd_init);
-module_exit(nec_8048_lcd_exit);
MODULE_AUTHOR("Erik Gilling <konkers@android.com>");
MODULE_DESCRIPTION("NEC-nl8048hl11-01b Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 00c5c615585f..0f21fa5a16ae 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -1019,14 +1019,12 @@ static int taal_probe(struct omap_dss_device *dssdev)
if (panel_data->use_ext_te) {
int gpio = panel_data->ext_te_gpio;
- r = gpio_request(gpio, "taal irq");
+ r = gpio_request_one(gpio, GPIOF_IN, "taal irq");
if (r) {
dev_err(&dssdev->dev, "GPIO request failed\n");
goto err_gpio;
}
- gpio_direction_input(gpio);
-
r = request_irq(gpio_to_irq(gpio), taal_te_isr,
IRQF_TRIGGER_RISING,
"taal vsync", dssdev);
diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
index e6649aa89591..32f3fcd7f0f0 100644
--- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
+++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
@@ -47,16 +47,20 @@
TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
static const u16 tpo_td043_def_gamma[12] = {
- 106, 200, 289, 375, 460, 543, 625, 705, 785, 864, 942, 1020
+ 105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023
};
struct tpo_td043_device {
struct spi_device *spi;
struct regulator *vcc_reg;
+ int nreset_gpio;
u16 gamma[12];
u32 mode;
u32 hmirror:1;
u32 vmirror:1;
+ u32 powered_on:1;
+ u32 spi_suspended:1;
+ u32 power_on_resume:1;
};
static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
@@ -265,28 +269,16 @@ static const struct omap_video_timings tpo_td043_timings = {
.vbp = 34,
};
-static int tpo_td043_power_on(struct omap_dss_device *dssdev)
+static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
- int nreset_gpio = dssdev->reset_gpio;
- int r;
+ int nreset_gpio = tpo_td043->nreset_gpio;
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+ if (tpo_td043->powered_on)
return 0;
- r = omapdss_dpi_display_enable(dssdev);
- if (r)
- goto err0;
-
- if (dssdev->platform_enable) {
- r = dssdev->platform_enable(dssdev);
- if (r)
- goto err1;
- }
-
regulator_enable(tpo_td043->vcc_reg);
- /* wait for power up */
+ /* wait for regulator to stabilize */
msleep(160);
if (gpio_is_valid(nreset_gpio))
@@ -301,19 +293,15 @@ static int tpo_td043_power_on(struct omap_dss_device *dssdev)
tpo_td043->vmirror);
tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
+ tpo_td043->powered_on = 1;
return 0;
-err1:
- omapdss_dpi_display_disable(dssdev);
-err0:
- return r;
}
-static void tpo_td043_power_off(struct omap_dss_device *dssdev)
+static void tpo_td043_power_off(struct tpo_td043_device *tpo_td043)
{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
- int nreset_gpio = dssdev->reset_gpio;
+ int nreset_gpio = tpo_td043->nreset_gpio;
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+ if (!tpo_td043->powered_on)
return;
tpo_td043_write(tpo_td043->spi, 3,
@@ -329,54 +317,94 @@ static void tpo_td043_power_off(struct omap_dss_device *dssdev)
regulator_disable(tpo_td043->vcc_reg);
+ tpo_td043->powered_on = 0;
+}
+
+static int tpo_td043_enable_dss(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+ int r;
+
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+ return 0;
+
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+
+ /*
+ * If we are resuming from system suspend, SPI clocks might not be
+ * enabled yet, so we'll program the LCD from SPI PM resume callback.
+ */
+ if (!tpo_td043->spi_suspended) {
+ r = tpo_td043_power_on(tpo_td043);
+ if (r)
+ goto err1;
+ }
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
+ return r;
+}
+
+static void tpo_td043_disable_dss(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+
+ if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+ return;
+
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
omapdss_dpi_display_disable(dssdev);
+
+ if (!tpo_td043->spi_suspended)
+ tpo_td043_power_off(tpo_td043);
}
static int tpo_td043_enable(struct omap_dss_device *dssdev)
{
- int ret;
-
dev_dbg(&dssdev->dev, "enable\n");
- ret = tpo_td043_power_on(dssdev);
- if (ret)
- return ret;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
+ return tpo_td043_enable_dss(dssdev);
}
static void tpo_td043_disable(struct omap_dss_device *dssdev)
{
dev_dbg(&dssdev->dev, "disable\n");
- tpo_td043_power_off(dssdev);
+ tpo_td043_disable_dss(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int tpo_td043_suspend(struct omap_dss_device *dssdev)
{
- tpo_td043_power_off(dssdev);
+ dev_dbg(&dssdev->dev, "suspend\n");
+
+ tpo_td043_disable_dss(dssdev);
+
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
return 0;
}
static int tpo_td043_resume(struct omap_dss_device *dssdev)
{
- int r = 0;
-
- r = tpo_td043_power_on(dssdev);
- if (r)
- return r;
+ dev_dbg(&dssdev->dev, "resume\n");
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
+ return tpo_td043_enable_dss(dssdev);
}
static int tpo_td043_probe(struct omap_dss_device *dssdev)
@@ -408,17 +436,12 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev)
}
if (gpio_is_valid(nreset_gpio)) {
- ret = gpio_request(nreset_gpio, "lcd reset");
+ ret = gpio_request_one(nreset_gpio, GPIOF_OUT_INIT_LOW,
+ "lcd reset");
if (ret < 0) {
dev_err(&dssdev->dev, "couldn't request reset GPIO\n");
goto fail_gpio_req;
}
-
- ret = gpio_direction_output(nreset_gpio, 0);
- if (ret < 0) {
- dev_err(&dssdev->dev, "couldn't set GPIO direction\n");
- goto fail_gpio_direction;
- }
}
ret = sysfs_create_group(&dssdev->dev.kobj, &tpo_td043_attr_group);
@@ -427,8 +450,6 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev)
return 0;
-fail_gpio_direction:
- gpio_free(nreset_gpio);
fail_gpio_req:
regulator_put(tpo_td043->vcc_reg);
fail_regulator:
@@ -491,6 +512,7 @@ static int tpo_td043_spi_probe(struct spi_device *spi)
return -ENOMEM;
tpo_td043->spi = spi;
+ tpo_td043->nreset_gpio = dssdev->reset_gpio;
dev_set_drvdata(&spi->dev, tpo_td043);
dev_set_drvdata(&dssdev->dev, tpo_td043);
@@ -509,27 +531,52 @@ static int __devexit tpo_td043_spi_remove(struct spi_device *spi)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int tpo_td043_spi_suspend(struct device *dev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+
+ dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", tpo_td043);
+
+ tpo_td043->power_on_resume = tpo_td043->powered_on;
+ tpo_td043_power_off(tpo_td043);
+ tpo_td043->spi_suspended = 1;
+
+ return 0;
+}
+
+static int tpo_td043_spi_resume(struct device *dev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+ int ret;
+
+ dev_dbg(dev, "tpo_td043_spi_resume\n");
+
+ if (tpo_td043->power_on_resume) {
+ ret = tpo_td043_power_on(tpo_td043);
+ if (ret)
+ return ret;
+ }
+ tpo_td043->spi_suspended = 0;
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
+ tpo_td043_spi_suspend, tpo_td043_spi_resume);
+
static struct spi_driver tpo_td043_spi_driver = {
.driver = {
.name = "tpo_td043mtea1_panel_spi",
.owner = THIS_MODULE,
+ .pm = &tpo_td043_spi_pm,
},
.probe = tpo_td043_spi_probe,
.remove = __devexit_p(tpo_td043_spi_remove),
};
-static int __init tpo_td043_init(void)
-{
- return spi_register_driver(&tpo_td043_spi_driver);
-}
-
-static void __exit tpo_td043_exit(void)
-{
- spi_unregister_driver(&tpo_td043_spi_driver);
-}
-
-module_init(tpo_td043_init);
-module_exit(tpo_td043_exit);
+module_spi_driver(tpo_td043_spi_driver);
MODULE_AUTHOR("GraÅžvydas Ignotas <notasas@gmail.com>");
MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 87b3e25294cf..b10b3bc1931e 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -105,6 +105,9 @@ static struct {
struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS];
struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS];
+ bool fifo_merge_dirty;
+ bool fifo_merge;
+
bool irq_enabled;
} dss_data;
@@ -351,6 +354,7 @@ static void wait_pending_extra_info_updates(void)
bool updating;
unsigned long flags;
unsigned long t;
+ int r;
spin_lock_irqsave(&data_lock, flags);
@@ -366,11 +370,11 @@ static void wait_pending_extra_info_updates(void)
spin_unlock_irqrestore(&data_lock, flags);
t = msecs_to_jiffies(500);
- wait_for_completion_timeout(&extra_updated_completion, t);
-
- updating = extra_info_update_ongoing();
-
- WARN_ON(updating);
+ r = wait_for_completion_timeout(&extra_updated_completion, t);
+ if (r == 0)
+ DSSWARN("timeout in wait_pending_extra_info_updates\n");
+ else if (r < 0)
+ DSSERR("wait_pending_extra_info_updates failed: %d\n", r);
}
int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
@@ -388,6 +392,10 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
if (mgr_manual_update(mgr))
return 0;
+ r = dispc_runtime_get();
+ if (r)
+ return r;
+
irq = dispc_mgr_get_vsync_irq(mgr->id);
mp = get_mgr_priv(mgr);
@@ -428,6 +436,8 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
}
}
+ dispc_runtime_put();
+
return r;
}
@@ -451,6 +461,10 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
if (ovl_manual_update(ovl))
return 0;
+ r = dispc_runtime_get();
+ if (r)
+ return r;
+
irq = dispc_mgr_get_vsync_irq(ovl->manager->id);
op = get_ovl_priv(ovl);
@@ -491,6 +505,8 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
}
}
+ dispc_runtime_put();
+
return r;
}
@@ -585,11 +601,40 @@ static void dss_mgr_write_regs(struct omap_overlay_manager *mgr)
}
}
+static void dss_write_regs_common(void)
+{
+ const int num_mgrs = omap_dss_get_num_overlay_managers();
+ int i;
+
+ if (!dss_data.fifo_merge_dirty)
+ return;
+
+ for (i = 0; i < num_mgrs; ++i) {
+ struct omap_overlay_manager *mgr;
+ struct mgr_priv_data *mp;
+
+ mgr = omap_dss_get_overlay_manager(i);
+ mp = get_mgr_priv(mgr);
+
+ if (mp->enabled) {
+ if (dss_data.fifo_merge_dirty) {
+ dispc_enable_fifomerge(dss_data.fifo_merge);
+ dss_data.fifo_merge_dirty = false;
+ }
+
+ if (mp->updating)
+ mp->shadow_info_dirty = true;
+ }
+ }
+}
+
static void dss_write_regs(void)
{
const int num_mgrs = omap_dss_get_num_overlay_managers();
int i;
+ dss_write_regs_common();
+
for (i = 0; i < num_mgrs; ++i) {
struct omap_overlay_manager *mgr;
struct mgr_priv_data *mp;
@@ -640,6 +685,22 @@ static void dss_set_go_bits(void)
}
+static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr)
+{
+ struct omap_overlay *ovl;
+ struct mgr_priv_data *mp;
+ struct ovl_priv_data *op;
+
+ mp = get_mgr_priv(mgr);
+ mp->shadow_info_dirty = false;
+
+ list_for_each_entry(ovl, &mgr->overlays, list) {
+ op = get_ovl_priv(ovl);
+ op->shadow_info_dirty = false;
+ op->shadow_extra_info_dirty = false;
+ }
+}
+
void dss_mgr_start_update(struct omap_overlay_manager *mgr)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
@@ -659,6 +720,8 @@ void dss_mgr_start_update(struct omap_overlay_manager *mgr)
dss_mgr_write_regs(mgr);
+ dss_write_regs_common();
+
mp->updating = true;
if (!dss_data.irq_enabled && need_isr())
@@ -666,6 +729,8 @@ void dss_mgr_start_update(struct omap_overlay_manager *mgr)
dispc_mgr_enable(mgr->id, true);
+ mgr_clear_shadow_dirty(mgr);
+
spin_unlock_irqrestore(&data_lock, flags);
}
@@ -709,22 +774,6 @@ static void dss_unregister_vsync_isr(void)
dss_data.irq_enabled = false;
}
-static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr)
-{
- struct omap_overlay *ovl;
- struct mgr_priv_data *mp;
- struct ovl_priv_data *op;
-
- mp = get_mgr_priv(mgr);
- mp->shadow_info_dirty = false;
-
- list_for_each_entry(ovl, &mgr->overlays, list) {
- op = get_ovl_priv(ovl);
- op->shadow_info_dirty = false;
- op->shadow_extra_info_dirty = false;
- }
-}
-
static void dss_apply_irq_handler(void *data, u32 mask)
{
const int num_mgrs = dss_feat_get_num_mgrs();
@@ -754,9 +803,6 @@ static void dss_apply_irq_handler(void *data, u32 mask)
if (was_busy && !mp->busy)
mgr_clear_shadow_dirty(mgr);
- } else {
- if (was_updating && !mp->updating)
- mgr_clear_shadow_dirty(mgr);
}
}
@@ -859,11 +905,20 @@ static void dss_apply_ovl_fifo_thresholds(struct omap_overlay *ovl,
op->extra_info_dirty = true;
}
-static void dss_ovl_setup_fifo(struct omap_overlay *ovl)
+static void dss_apply_fifo_merge(bool use_fifo_merge)
+{
+ if (dss_data.fifo_merge == use_fifo_merge)
+ return;
+
+ dss_data.fifo_merge = use_fifo_merge;
+ dss_data.fifo_merge_dirty = true;
+}
+
+static void dss_ovl_setup_fifo(struct omap_overlay *ovl,
+ bool use_fifo_merge)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
struct omap_dss_device *dssdev;
- u32 size, burst_size;
u32 fifo_low, fifo_high;
if (!op->enabled && !op->enabling)
@@ -871,33 +926,14 @@ static void dss_ovl_setup_fifo(struct omap_overlay *ovl)
dssdev = ovl->manager->device;
- size = dispc_ovl_get_fifo_size(ovl->id);
-
- burst_size = dispc_ovl_get_burst_size(ovl->id);
-
- switch (dssdev->type) {
- case OMAP_DISPLAY_TYPE_DPI:
- case OMAP_DISPLAY_TYPE_DBI:
- case OMAP_DISPLAY_TYPE_SDI:
- case OMAP_DISPLAY_TYPE_VENC:
- case OMAP_DISPLAY_TYPE_HDMI:
- default_get_overlay_fifo_thresholds(ovl->id, size,
- burst_size, &fifo_low, &fifo_high);
- break;
-#ifdef CONFIG_OMAP2_DSS_DSI
- case OMAP_DISPLAY_TYPE_DSI:
- dsi_get_overlay_fifo_thresholds(ovl->id, size,
- burst_size, &fifo_low, &fifo_high);
- break;
-#endif
- default:
- BUG();
- }
+ dispc_ovl_compute_fifo_thresholds(ovl->id, &fifo_low, &fifo_high,
+ use_fifo_merge);
dss_apply_ovl_fifo_thresholds(ovl, fifo_low, fifo_high);
}
-static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr)
+static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr,
+ bool use_fifo_merge)
{
struct omap_overlay *ovl;
struct mgr_priv_data *mp;
@@ -908,19 +944,94 @@ static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr)
return;
list_for_each_entry(ovl, &mgr->overlays, list)
- dss_ovl_setup_fifo(ovl);
+ dss_ovl_setup_fifo(ovl, use_fifo_merge);
+}
+
+static void dss_setup_fifos(bool use_fifo_merge)
+{
+ const int num_mgrs = omap_dss_get_num_overlay_managers();
+ struct omap_overlay_manager *mgr;
+ int i;
+
+ for (i = 0; i < num_mgrs; ++i) {
+ mgr = omap_dss_get_overlay_manager(i);
+ dss_mgr_setup_fifos(mgr, use_fifo_merge);
+ }
}
-static void dss_setup_fifos(void)
+static int get_num_used_managers(void)
{
const int num_mgrs = omap_dss_get_num_overlay_managers();
struct omap_overlay_manager *mgr;
+ struct mgr_priv_data *mp;
int i;
+ int enabled_mgrs;
+
+ enabled_mgrs = 0;
for (i = 0; i < num_mgrs; ++i) {
mgr = omap_dss_get_overlay_manager(i);
- dss_mgr_setup_fifos(mgr);
+ mp = get_mgr_priv(mgr);
+
+ if (!mp->enabled)
+ continue;
+
+ enabled_mgrs++;
+ }
+
+ return enabled_mgrs;
+}
+
+static int get_num_used_overlays(void)
+{
+ const int num_ovls = omap_dss_get_num_overlays();
+ struct omap_overlay *ovl;
+ struct ovl_priv_data *op;
+ struct mgr_priv_data *mp;
+ int i;
+ int enabled_ovls;
+
+ enabled_ovls = 0;
+
+ for (i = 0; i < num_ovls; ++i) {
+ ovl = omap_dss_get_overlay(i);
+ op = get_ovl_priv(ovl);
+
+ if (!op->enabled && !op->enabling)
+ continue;
+
+ mp = get_mgr_priv(ovl->manager);
+
+ if (!mp->enabled)
+ continue;
+
+ enabled_ovls++;
}
+
+ return enabled_ovls;
+}
+
+static bool get_use_fifo_merge(void)
+{
+ int enabled_mgrs = get_num_used_managers();
+ int enabled_ovls = get_num_used_overlays();
+
+ if (!dss_has_feature(FEAT_FIFO_MERGE))
+ return false;
+
+ /*
+ * In theory the only requirement for fifomerge is enabled_ovls <= 1.
+ * However, if we have two managers enabled and set/unset the fifomerge,
+ * we need to set the GO bits in particular sequence for the managers,
+ * and wait in between.
+ *
+ * This is rather difficult as new apply calls can happen at any time,
+ * so we simplify the problem by requiring also that enabled_mgrs <= 1.
+ * In practice this shouldn't matter, because when only one overlay is
+ * enabled, most likely only one output is enabled.
+ */
+
+ return enabled_mgrs <= 1 && enabled_ovls <= 1;
}
int dss_mgr_enable(struct omap_overlay_manager *mgr)
@@ -928,6 +1039,7 @@ int dss_mgr_enable(struct omap_overlay_manager *mgr)
struct mgr_priv_data *mp = get_mgr_priv(mgr);
unsigned long flags;
int r;
+ bool fifo_merge;
mutex_lock(&apply_lock);
@@ -945,11 +1057,23 @@ int dss_mgr_enable(struct omap_overlay_manager *mgr)
goto err;
}
- dss_setup_fifos();
+ /* step 1: setup fifos/fifomerge before enabling the manager */
+
+ fifo_merge = get_use_fifo_merge();
+ dss_setup_fifos(fifo_merge);
+ dss_apply_fifo_merge(fifo_merge);
dss_write_regs();
dss_set_go_bits();
+ spin_unlock_irqrestore(&data_lock, flags);
+
+ /* wait until fifo config is in */
+ wait_pending_extra_info_updates();
+
+ /* step 2: enable the manager */
+ spin_lock_irqsave(&data_lock, flags);
+
if (!mgr_manual_update(mgr))
mp->updating = true;
@@ -974,6 +1098,7 @@ void dss_mgr_disable(struct omap_overlay_manager *mgr)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
unsigned long flags;
+ bool fifo_merge;
mutex_lock(&apply_lock);
@@ -988,8 +1113,16 @@ void dss_mgr_disable(struct omap_overlay_manager *mgr)
mp->updating = false;
mp->enabled = false;
+ fifo_merge = get_use_fifo_merge();
+ dss_setup_fifos(fifo_merge);
+ dss_apply_fifo_merge(fifo_merge);
+
+ dss_write_regs();
+ dss_set_go_bits();
+
spin_unlock_irqrestore(&data_lock, flags);
+ wait_pending_extra_info_updates();
out:
mutex_unlock(&apply_lock);
}
@@ -1241,6 +1374,7 @@ int dss_ovl_enable(struct omap_overlay *ovl)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
unsigned long flags;
+ bool fifo_merge;
int r;
mutex_lock(&apply_lock);
@@ -1266,7 +1400,22 @@ int dss_ovl_enable(struct omap_overlay *ovl)
goto err2;
}
- dss_setup_fifos();
+ /* step 1: configure fifos/fifomerge for currently enabled ovls */
+
+ fifo_merge = get_use_fifo_merge();
+ dss_setup_fifos(fifo_merge);
+ dss_apply_fifo_merge(fifo_merge);
+
+ dss_write_regs();
+ dss_set_go_bits();
+
+ spin_unlock_irqrestore(&data_lock, flags);
+
+ /* wait for fifo configs to go in */
+ wait_pending_extra_info_updates();
+
+ /* step 2: enable the overlay */
+ spin_lock_irqsave(&data_lock, flags);
op->enabling = false;
dss_apply_ovl_enable(ovl, true);
@@ -1294,6 +1443,7 @@ int dss_ovl_disable(struct omap_overlay *ovl)
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
unsigned long flags;
+ bool fifo_merge;
int r;
mutex_lock(&apply_lock);
@@ -1308,9 +1458,11 @@ int dss_ovl_disable(struct omap_overlay *ovl)
goto err;
}
+ /* step 1: disable the overlay */
spin_lock_irqsave(&data_lock, flags);
dss_apply_ovl_enable(ovl, false);
+
dss_write_regs();
dss_set_go_bits();
@@ -1319,6 +1471,21 @@ int dss_ovl_disable(struct omap_overlay *ovl)
/* wait for the overlay to be disabled */
wait_pending_extra_info_updates();
+ /* step 2: configure fifos/fifomerge */
+ spin_lock_irqsave(&data_lock, flags);
+
+ fifo_merge = get_use_fifo_merge();
+ dss_setup_fifos(fifo_merge);
+ dss_apply_fifo_merge(fifo_merge);
+
+ dss_write_regs();
+ dss_set_go_bits();
+
+ spin_unlock_irqrestore(&data_lock, flags);
+
+ /* wait for fifo config to go in */
+ wait_pending_extra_info_updates();
+
mutex_unlock(&apply_lock);
return 0;
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 8613f86fb56d..e8a120771ac6 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -183,42 +183,6 @@ static int omap_dss_probe(struct platform_device *pdev)
dss_init_overlay_managers(pdev);
dss_init_overlays(pdev);
- r = dss_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize DSS platform driver\n");
- goto err_dss;
- }
-
- r = dispc_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize dispc platform driver\n");
- goto err_dispc;
- }
-
- r = rfbi_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize rfbi platform driver\n");
- goto err_rfbi;
- }
-
- r = venc_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize venc platform driver\n");
- goto err_venc;
- }
-
- r = dsi_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize DSI platform driver\n");
- goto err_dsi;
- }
-
- r = hdmi_init_platform_driver();
- if (r) {
- DSSERR("Failed to initialize hdmi\n");
- goto err_hdmi;
- }
-
r = dss_initialize_debugfs();
if (r)
goto err_debugfs;
@@ -246,18 +210,6 @@ static int omap_dss_probe(struct platform_device *pdev)
err_register:
dss_uninitialize_debugfs();
err_debugfs:
- hdmi_uninit_platform_driver();
-err_hdmi:
- dsi_uninit_platform_driver();
-err_dsi:
- venc_uninit_platform_driver();
-err_venc:
- dispc_uninit_platform_driver();
-err_dispc:
- rfbi_uninit_platform_driver();
-err_rfbi:
- dss_uninit_platform_driver();
-err_dss:
return r;
}
@@ -269,13 +221,6 @@ static int omap_dss_remove(struct platform_device *pdev)
dss_uninitialize_debugfs();
- hdmi_uninit_platform_driver();
- dsi_uninit_platform_driver();
- venc_uninit_platform_driver();
- rfbi_uninit_platform_driver();
- dispc_uninit_platform_driver();
- dss_uninit_platform_driver();
-
dss_uninit_overlays(pdev);
dss_uninit_overlay_managers(pdev);
@@ -525,6 +470,80 @@ static int omap_dss_bus_register(void)
/* INIT */
+static int __init omap_dss_register_drivers(void)
+{
+ int r;
+
+ r = platform_driver_register(&omap_dss_driver);
+ if (r)
+ return r;
+
+ r = dss_init_platform_driver();
+ if (r) {
+ DSSERR("Failed to initialize DSS platform driver\n");
+ goto err_dss;
+ }<