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path: root/drivers/gpu/drm/tidss/tidss_drv.c
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Diffstat (limited to 'drivers/gpu/drm/tidss/tidss_drv.c')
-rw-r--r--drivers/gpu/drm/tidss/tidss_drv.c101
1 files changed, 51 insertions, 50 deletions
diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c
index 66e3c86eb5c7..1c8cc18bc53c 100644
--- a/drivers/gpu/drm/tidss/tidss_drv.c
+++ b/drivers/gpu/drm/tidss/tidss_drv.c
@@ -5,25 +5,27 @@
*/
#include <linux/console.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
+#include <linux/aperture.h>
+#include <drm/clients/drm_client_setup.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_irq.h>
+#include <drm/drm_fbdev_dma.h>
+#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_managed.h>
+#include <drm/drm_module.h>
#include <drm/drm_probe_helper.h>
#include "tidss_dispc.h"
#include "tidss_drv.h"
#include "tidss_kms.h"
#include "tidss_irq.h"
+#include "tidss_oldi.h"
/* Power management */
@@ -31,20 +33,18 @@ int tidss_runtime_get(struct tidss_device *tidss)
{
int r;
- dev_dbg(tidss->dev, "%s\n", __func__);
-
- r = pm_runtime_get_sync(tidss->dev);
+ r = pm_runtime_resume_and_get(tidss->dev);
WARN_ON(r < 0);
- return r < 0 ? r : 0;
+ return r;
}
void tidss_runtime_put(struct tidss_device *tidss)
{
int r;
- dev_dbg(tidss->dev, "%s\n", __func__);
+ pm_runtime_mark_last_busy(tidss->dev);
- r = pm_runtime_put_sync(tidss->dev);
+ r = pm_runtime_put_autosuspend(tidss->dev);
WARN_ON(r < 0);
}
@@ -52,8 +52,6 @@ static int __maybe_unused tidss_pm_runtime_suspend(struct device *dev)
{
struct tidss_device *tidss = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
return dispc_runtime_suspend(tidss->dispc);
}
@@ -62,8 +60,6 @@ static int __maybe_unused tidss_pm_runtime_resume(struct device *dev)
struct tidss_device *tidss = dev_get_drvdata(dev);
int r;
- dev_dbg(dev, "%s\n", __func__);
-
r = dispc_runtime_resume(tidss->dispc);
if (r)
return r;
@@ -75,8 +71,6 @@ static int __maybe_unused tidss_suspend(struct device *dev)
{
struct tidss_device *tidss = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
return drm_mode_config_helper_suspend(&tidss->ddev);
}
@@ -84,21 +78,14 @@ static int __maybe_unused tidss_resume(struct device *dev)
{
struct tidss_device *tidss = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
return drm_mode_config_helper_resume(&tidss->ddev);
}
-#ifdef CONFIG_PM
-
-static const struct dev_pm_ops tidss_pm_ops = {
- .runtime_suspend = tidss_pm_runtime_suspend,
- .runtime_resume = tidss_pm_runtime_resume,
+static __maybe_unused const struct dev_pm_ops tidss_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(tidss_suspend, tidss_resume)
+ SET_RUNTIME_PM_OPS(tidss_pm_runtime_suspend, tidss_pm_runtime_resume, NULL)
};
-#endif /* CONFIG_PM */
-
/* DRM device Information */
static void tidss_release(struct drm_device *ddev)
@@ -106,23 +93,18 @@ static void tidss_release(struct drm_device *ddev)
drm_kms_helper_poll_fini(ddev);
}
-DEFINE_DRM_GEM_CMA_FOPS(tidss_fops);
+DEFINE_DRM_GEM_DMA_FOPS(tidss_fops);
static const struct drm_driver tidss_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &tidss_fops,
.release = tidss_release,
- DRM_GEM_CMA_DRIVER_OPS_VMAP,
+ DRM_GEM_DMA_DRIVER_OPS_VMAP,
+ DRM_FBDEV_DMA_DRIVER_OPS,
.name = "tidss",
.desc = "TI Keystone DSS",
- .date = "20180215",
.major = 1,
.minor = 0,
-
- .irq_preinstall = tidss_irq_preinstall,
- .irq_postinstall = tidss_irq_postinstall,
- .irq_handler = tidss_irq_handler,
- .irq_uninstall = tidss_irq_uninstall,
};
static int tidss_probe(struct platform_device *pdev)
@@ -133,8 +115,6 @@ static int tidss_probe(struct platform_device *pdev)
int ret;
int irq;
- dev_dbg(dev, "%s\n", __func__);
-
tidss = devm_drm_dev_alloc(&pdev->dev, &tidss_driver,
struct tidss_device, ddev);
if (IS_ERR(tidss))
@@ -147,14 +127,23 @@ static int tidss_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, tidss);
+ spin_lock_init(&tidss->irq_lock);
+
ret = dispc_init(tidss);
if (ret) {
dev_err(dev, "failed to initialize dispc: %d\n", ret);
return ret;
}
+ ret = tidss_oldi_init(tidss);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to init OLDI\n");
+
pm_runtime_enable(dev);
+ pm_runtime_set_autosuspend_delay(dev, 1000);
+ pm_runtime_use_autosuspend(dev);
+
#ifndef CONFIG_PM
/* If we don't have PM, we need to call resume manually */
dispc_runtime_resume(tidss->dispc);
@@ -172,10 +161,11 @@ static int tidss_probe(struct platform_device *pdev)
ret = irq;
goto err_runtime_suspend;
}
+ tidss->irq = irq;
- ret = drm_irq_install(ddev, irq);
+ ret = tidss_irq_install(ddev, irq);
if (ret) {
- dev_err(dev, "drm_irq_install failed: %d\n", ret);
+ dev_err(dev, "tidss_irq_install failed: %d\n", ret);
goto err_runtime_suspend;
}
@@ -189,50 +179,60 @@ static int tidss_probe(struct platform_device *pdev)
goto err_irq_uninstall;
}
- drm_fbdev_generic_setup(ddev, 32);
+ /* Remove possible early fb before setting up the fbdev */
+ ret = aperture_remove_all_conflicting_devices(tidss_driver.name);
+ if (ret)
+ goto err_drm_dev_unreg;
+
+ drm_client_setup(ddev, NULL);
dev_dbg(dev, "%s done\n", __func__);
return 0;
+err_drm_dev_unreg:
+ drm_dev_unregister(ddev);
+
err_irq_uninstall:
- drm_irq_uninstall(ddev);
+ tidss_irq_uninstall(ddev);
err_runtime_suspend:
#ifndef CONFIG_PM
dispc_runtime_suspend(tidss->dispc);
#endif
+ pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
+ tidss_oldi_deinit(tidss);
+
return ret;
}
-static int tidss_remove(struct platform_device *pdev)
+static void tidss_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct tidss_device *tidss = platform_get_drvdata(pdev);
struct drm_device *ddev = &tidss->ddev;
- dev_dbg(dev, "%s\n", __func__);
-
drm_dev_unregister(ddev);
drm_atomic_helper_shutdown(ddev);
- drm_irq_uninstall(ddev);
+ tidss_irq_uninstall(ddev);
#ifndef CONFIG_PM
/* If we don't have PM, we need to call suspend manually */
dispc_runtime_suspend(tidss->dispc);
#endif
+ pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
+ tidss_oldi_deinit(tidss);
+
/* devm allocated dispc goes away with the dev so mark it NULL */
dispc_remove(tidss);
dev_dbg(dev, "%s done\n", __func__);
-
- return 0;
}
static void tidss_shutdown(struct platform_device *pdev)
@@ -242,6 +242,9 @@ static void tidss_shutdown(struct platform_device *pdev)
static const struct of_device_id tidss_of_table[] = {
{ .compatible = "ti,k2g-dss", .data = &dispc_k2g_feats, },
+ { .compatible = "ti,am625-dss", .data = &dispc_am625_feats, },
+ { .compatible = "ti,am62a7-dss", .data = &dispc_am62a7_feats, },
+ { .compatible = "ti,am62l-dss", .data = &dispc_am62l_feats, },
{ .compatible = "ti,am65x-dss", .data = &dispc_am65x_feats, },
{ .compatible = "ti,j721e-dss", .data = &dispc_j721e_feats, },
{ }
@@ -255,15 +258,13 @@ static struct platform_driver tidss_platform_driver = {
.shutdown = tidss_shutdown,
.driver = {
.name = "tidss",
-#ifdef CONFIG_PM
- .pm = &tidss_pm_ops,
-#endif
+ .pm = pm_ptr(&tidss_pm_ops),
.of_match_table = tidss_of_table,
.suppress_bind_attrs = true,
},
};
-module_platform_driver(tidss_platform_driver);
+drm_module_platform_driver(tidss_platform_driver);
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
MODULE_DESCRIPTION("TI Keystone DSS Driver");