[PATCH v2 30/60] drm/omap: dss: Remove panel devices list
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Sat May 26 17:24:48 UTC 2018
The panel devices list isn't used anymore, all panel devices are
accessed through the global devices list. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
.../gpu/drm/omapdrm/displays/connector-analog-tv.c | 9 ++------
drivers/gpu/drm/omapdrm/displays/connector-dvi.c | 14 ++---------
drivers/gpu/drm/omapdrm/displays/connector-hdmi.c | 8 ++-----
drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 8 ++-----
drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 8 ++-----
.../omapdrm/displays/panel-lgphilips-lb035q02.c | 8 ++-----
.../drm/omapdrm/displays/panel-nec-nl8048hl11.c | 8 ++-----
.../drm/omapdrm/displays/panel-sharp-ls037v7dw01.c | 8 ++-----
.../drm/omapdrm/displays/panel-sony-acx565akm.c | 27 +++++++---------------
.../drm/omapdrm/displays/panel-tpo-td028ttec1.c | 8 ++-----
.../drm/omapdrm/displays/panel-tpo-td043mtea1.c | 22 ++++--------------
drivers/gpu/drm/omapdrm/dss/display.c | 23 ------------------
drivers/gpu/drm/omapdrm/dss/omapdss.h | 3 ---
13 files changed, 31 insertions(+), 123 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
index fb23fae7fbf4..f1d1c67d72b8 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
@@ -154,7 +154,6 @@ static int tvc_probe(struct platform_device *pdev)
{
struct panel_drv_data *ddata;
struct omap_dss_device *dssdev;
- int r;
ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
if (!ddata)
@@ -172,11 +171,7 @@ static int tvc_probe(struct platform_device *pdev)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register panel\n");
- return r;
- }
+ omapdss_device_register(dssdev);
return 0;
}
@@ -186,7 +181,7 @@ static int __exit tvc_remove(struct platform_device *pdev)
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_display(&ddata->dssdev);
+ omapdss_device_unregister(&ddata->dssdev);
tvc_disable(dssdev);
tvc_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
index 5333fb166c83..9e0b5a0b2eea 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
@@ -391,19 +391,9 @@ static int dvic_probe(struct platform_device *pdev)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register panel\n");
- goto err_reg;
- }
+ omapdss_device_register(dssdev);
return 0;
-
-err_reg:
- i2c_put_adapter(ddata->i2c_adapter);
- mutex_destroy(&ddata->hpd_lock);
-
- return r;
}
static int __exit dvic_remove(struct platform_device *pdev)
@@ -411,7 +401,7 @@ static int __exit dvic_remove(struct platform_device *pdev)
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_display(&ddata->dssdev);
+ omapdss_device_unregister(&ddata->dssdev);
dvic_disable(dssdev);
dvic_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
index 2c5e8cf70c9f..064b051c0a29 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
@@ -351,11 +351,7 @@ static int hdmic_probe(struct platform_device *pdev)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register panel\n");
- return r;
- }
+ omapdss_device_register(dssdev);
return 0;
}
@@ -365,7 +361,7 @@ static int __exit hdmic_remove(struct platform_device *pdev)
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_display(&ddata->dssdev);
+ omapdss_device_unregister(&ddata->dssdev);
hdmic_disable(dssdev);
hdmic_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
index 87f11618e85f..bd598be1ba6b 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
@@ -219,11 +219,7 @@ static int panel_dpi_probe(struct platform_device *pdev)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register panel\n");
- return r;
- }
+ omapdss_device_register(dssdev);
return 0;
}
@@ -233,7 +229,7 @@ static int __exit panel_dpi_remove(struct platform_device *pdev)
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
panel_dpi_disable(dssdev);
panel_dpi_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index 94275fc931be..e27399ca3ac5 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -1329,11 +1329,7 @@ static int dsicm_probe(struct platform_device *pdev)
OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(dev, "Failed to register panel\n");
- goto err_reg;
- }
+ omapdss_device_register(dssdev);
mutex_init(&ddata->lock);
@@ -1404,7 +1400,7 @@ static int __exit dsicm_remove(struct platform_device *pdev)
dev_dbg(&pdev->dev, "remove\n");
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
dsicm_disable(dssdev);
dsicm_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
index 88c075414b7c..0e89fc1bc34c 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
@@ -271,11 +271,7 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&spi->dev, "Failed to register panel\n");
- return r;
- }
+ omapdss_device_register(dssdev);
return 0;
}
@@ -285,7 +281,7 @@ static int lb035q02_panel_spi_remove(struct spi_device *spi)
struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
lb035q02_disable(dssdev);
lb035q02_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
index fafb3e43f390..9f32343e5122 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
@@ -294,11 +294,7 @@ static int nec_8048_probe(struct spi_device *spi)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&spi->dev, "Failed to register panel\n");
- return r;
- }
+ omapdss_device_register(dssdev);
return 0;
}
@@ -310,7 +306,7 @@ static int nec_8048_remove(struct spi_device *spi)
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
nec_8048_disable(dssdev);
nec_8048_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
index bb28994cedc0..320d2e73c40c 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
@@ -270,11 +270,7 @@ static int sharp_ls_probe(struct platform_device *pdev)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register panel\n");
- return r;
- }
+ omapdss_device_register(dssdev);
return 0;
}
@@ -284,7 +280,7 @@ static int __exit sharp_ls_remove(struct platform_device *pdev)
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
sharp_ls_disable(dssdev);
sharp_ls_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
index 46ede08ce65b..5411c0ce9bb4 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
@@ -733,7 +733,7 @@ static int acx565akm_probe(struct spi_device *spi)
r = devm_gpio_request_one(&spi->dev, ddata->reset_gpio,
GPIOF_OUT_INIT_LOW, "lcd reset");
if (r)
- goto err_gpio;
+ return r;
}
if (gpio_is_valid(ddata->reset_gpio))
@@ -754,7 +754,7 @@ static int acx565akm_probe(struct spi_device *spi)
if (r) {
dev_err(&spi->dev, "%s panel detect error\n", __func__);
- goto err_detect;
+ return r;
}
memset(&props, 0, sizeof(props));
@@ -764,17 +764,15 @@ static int acx565akm_probe(struct spi_device *spi)
bldev = backlight_device_register("acx565akm", &ddata->spi->dev,
ddata, &acx565akm_bl_ops, &props);
- if (IS_ERR(bldev)) {
- r = PTR_ERR(bldev);
- goto err_reg_bl;
- }
+ if (IS_ERR(bldev))
+ return PTR_ERR(bldev);
ddata->bl_dev = bldev;
if (ddata->has_cabc) {
r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
if (r) {
dev_err(&bldev->dev,
"%s failed to create sysfs files\n", __func__);
- goto err_sysfs;
+ goto err_backlight_unregister;
}
ddata->cabc_mode = get_hw_cabc_mode(ddata);
}
@@ -801,21 +799,12 @@ static int acx565akm_probe(struct spi_device *spi)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&spi->dev, "Failed to register panel\n");
- goto err_reg;
- }
+ omapdss_device_register(dssdev);
return 0;
-err_reg:
- sysfs_remove_group(&bldev->dev.kobj, &bldev_attr_group);
-err_sysfs:
+err_backlight_unregister:
backlight_device_unregister(bldev);
-err_reg_bl:
-err_detect:
-err_gpio:
return r;
}
@@ -829,7 +818,7 @@ static int acx565akm_remove(struct spi_device *spi)
sysfs_remove_group(&ddata->bl_dev->dev.kobj, &bldev_attr_group);
backlight_device_unregister(ddata->bl_dev);
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
acx565akm_disable(dssdev);
acx565akm_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
index a76387dfc0e2..839fc0eaf164 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
@@ -395,11 +395,7 @@ static int td028ttec1_panel_probe(struct spi_device *spi)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&spi->dev, "Failed to register panel\n");
- return r;
- }
+ omapdss_device_register(dssdev);
return 0;
}
@@ -411,7 +407,7 @@ static int td028ttec1_panel_remove(struct spi_device *spi)
dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__);
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
td028ttec1_panel_disable(dssdev);
td028ttec1_panel_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
index dbb1abf1459a..5ad85326a84e 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
@@ -509,8 +509,7 @@ static int tpo_td043_probe(struct spi_device *spi)
ddata->vcc_reg = devm_regulator_get(&spi->dev, "vcc");
if (IS_ERR(ddata->vcc_reg)) {
dev_err(&spi->dev, "failed to get LCD VCC regulator\n");
- r = PTR_ERR(ddata->vcc_reg);
- goto err_regulator;
+ return PTR_ERR(ddata->vcc_reg);
}
if (gpio_is_valid(ddata->nreset_gpio)) {
@@ -519,14 +518,14 @@ static int tpo_td043_probe(struct spi_device *spi)
"lcd reset");
if (r < 0) {
dev_err(&spi->dev, "couldn't request reset GPIO\n");
- goto err_gpio_req;
+ return r;
}
}
r = sysfs_create_group(&spi->dev.kobj, &tpo_td043_attr_group);
if (r) {
dev_err(&spi->dev, "failed to create sysfs files\n");
- goto err_sysfs;
+ return r;
}
ddata->vm = tpo_td043_vm;
@@ -538,20 +537,9 @@ static int tpo_td043_probe(struct spi_device *spi)
dssdev->owner = THIS_MODULE;
omapdss_display_init(dssdev);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&spi->dev, "Failed to register panel\n");
- goto err_reg;
- }
+ omapdss_device_register(dssdev);
return 0;
-
-err_reg:
- sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group);
-err_sysfs:
-err_gpio_req:
-err_regulator:
- return r;
}
static int tpo_td043_remove(struct spi_device *spi)
@@ -561,7 +549,7 @@ static int tpo_td043_remove(struct spi_device *spi)
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
- omapdss_unregister_display(dssdev);
+ omapdss_device_unregister(dssdev);
tpo_td043_disable(dssdev);
tpo_td043_disconnect(dssdev);
diff --git a/drivers/gpu/drm/omapdrm/dss/display.c b/drivers/gpu/drm/omapdrm/dss/display.c
index 057069b7a6cf..524e43f71af4 100644
--- a/drivers/gpu/drm/omapdrm/dss/display.c
+++ b/drivers/gpu/drm/omapdrm/dss/display.c
@@ -28,8 +28,6 @@
#include "omapdss.h"
-static LIST_HEAD(panel_list);
-static DEFINE_MUTEX(panel_list_mutex);
static int disp_num_counter;
void omapdss_display_init(struct omap_dss_device *dssdev)
@@ -55,27 +53,6 @@ void omapdss_display_init(struct omap_dss_device *dssdev)
}
EXPORT_SYMBOL_GPL(omapdss_display_init);
-int omapdss_register_display(struct omap_dss_device *dssdev)
-{
- mutex_lock(&panel_list_mutex);
- list_add_tail(&dssdev->panel_list, &panel_list);
- mutex_unlock(&panel_list_mutex);
-
- omapdss_device_register(dssdev);
- return 0;
-}
-EXPORT_SYMBOL(omapdss_register_display);
-
-void omapdss_unregister_display(struct omap_dss_device *dssdev)
-{
- mutex_lock(&panel_list_mutex);
- list_del(&dssdev->panel_list);
- mutex_unlock(&panel_list_mutex);
-
- omapdss_device_register(dssdev);
-}
-EXPORT_SYMBOL(omapdss_unregister_display);
-
struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev)
{
if (!try_module_get(dssdev->owner))
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index e42821583b91..5f71f6885991 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -395,7 +395,6 @@ struct omap_dss_device {
struct omap_dss_device *dst;
struct list_head list;
- struct list_head panel_list;
unsigned int alias_id;
@@ -488,8 +487,6 @@ static inline bool omapdss_is_initialized(void)
}
void omapdss_display_init(struct omap_dss_device *dssdev);
-int omapdss_register_display(struct omap_dss_device *dssdev);
-void omapdss_unregister_display(struct omap_dss_device *dssdev);
#define for_each_dss_display(d) \
while ((d = omapdss_device_get_next(d, true)) != NULL)
--
Regards,
Laurent Pinchart
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