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drm: omapdrm: Register omapdrm platform device in omapdss driver

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The omapdrm platform device is a virtual device created for the sole
purpose of handling the omapdss/omapdrm driver split. It should
eventually be removed. As a first step to ease refactoring move its
registration from platform code to driver code.

The omapdrm driver name must be changed internally to avoid probing both
the device registered in platform code and the device registered in the
omapdss driver, as that would otherwise break bisection.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Laurent Pinchart 2017-08-11 16:49:08 +03:00 committed by Tomi Valkeinen
parent 863f9cde26
commit 510c74c508
2 changed files with 17 additions and 1 deletions
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10
drivers/gpu/drm/omapdrm/dss/core.c
View File

@ -103,6 +103,8 @@ static void (*dss_output_drv_unreg_funcs[])(void) = {
dss_uninit_platform_driver,
};
static struct platform_device *omap_drm_device;
static int __init omap_dss_init(void)
{
int r;
@ -118,6 +120,12 @@ static int __init omap_dss_init(void)
goto err_reg;
}
omap_drm_device = platform_device_register_simple("omapdrm_", 0, NULL, 0);
if (IS_ERR(omap_drm_device)) {
r = PTR_ERR(omap_drm_device);
goto err_reg;
}
return 0;
err_reg:
@ -135,6 +143,8 @@ static void __exit omap_dss_exit(void)
{
int i;
platform_device_unregister(omap_drm_device);
for (i = 0; i < ARRAY_SIZE(dss_output_drv_unreg_funcs); ++i)
dss_output_drv_unreg_funcs[i]();

8
drivers/gpu/drm/omapdrm/omap_drv.c
View File

@ -575,6 +575,12 @@ static int pdev_probe(struct platform_device *pdev)
if (omapdss_is_initialized() == false)
return -EPROBE_DEFER;
ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
dev_err(&pdev->dev, "Failed to set the DMA mask\n");
return ret;
}
omap_crtc_pre_init();
ret = omap_connect_dssdevs();
@ -762,7 +768,7 @@ static SIMPLE_DEV_PM_OPS(omapdrm_pm_ops, omap_drm_suspend, omap_drm_resume);
static struct platform_driver pdev = {
.driver = {
.name = DRIVER_NAME,
.name = "omapdrm_",
.pm = &omapdrm_pm_ops,
},
.probe = pdev_probe,