drm: rcar-du: Embed drm_device in rcar_du_device

Embedding drm_device in rcar_du_device allows usage of the DRM managed
API to allocate both structures in one go, simplifying error handling.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2020-12-03 18:21:55 +02:00
parent f5f16725ed
commit ea6aae1518
8 changed files with 29 additions and 33 deletions

View File

@ -1251,7 +1251,7 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
else
primary = &rgrp->planes[swindex % 2].plane;
ret = drm_crtc_init_with_planes(rcdu->ddev, crtc, primary, NULL,
ret = drm_crtc_init_with_planes(&rcdu->ddev, crtc, primary, NULL,
rcdu->info->gen <= 2 ?
&crtc_funcs_gen2 : &crtc_funcs_gen3,
NULL);

View File

@ -18,10 +18,11 @@
#include <linux/wait.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_managed.h>
#include <drm/drm_probe_helper.h>
#include "rcar_du_drv.h"
@ -527,14 +528,14 @@ static int rcar_du_pm_suspend(struct device *dev)
{
struct rcar_du_device *rcdu = dev_get_drvdata(dev);
return drm_mode_config_helper_suspend(rcdu->ddev);
return drm_mode_config_helper_suspend(&rcdu->ddev);
}
static int rcar_du_pm_resume(struct device *dev)
{
struct rcar_du_device *rcdu = dev_get_drvdata(dev);
return drm_mode_config_helper_resume(rcdu->ddev);
return drm_mode_config_helper_resume(&rcdu->ddev);
}
#endif
@ -549,7 +550,7 @@ static const struct dev_pm_ops rcar_du_pm_ops = {
static int rcar_du_remove(struct platform_device *pdev)
{
struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
struct drm_device *ddev = rcdu->ddev;
struct drm_device *ddev = &rcdu->ddev;
drm_dev_unregister(ddev);
@ -563,14 +564,14 @@ static int rcar_du_remove(struct platform_device *pdev)
static int rcar_du_probe(struct platform_device *pdev)
{
struct rcar_du_device *rcdu;
struct drm_device *ddev;
struct resource *mem;
int ret;
/* Allocate and initialize the R-Car device structure. */
rcdu = devm_kzalloc(&pdev->dev, sizeof(*rcdu), GFP_KERNEL);
if (rcdu == NULL)
return -ENOMEM;
rcdu = devm_drm_dev_alloc(&pdev->dev, &rcar_du_driver,
struct rcar_du_device, ddev);
if (IS_ERR(rcdu))
return PTR_ERR(rcdu);
rcdu->dev = &pdev->dev;
rcdu->info = of_device_get_match_data(rcdu->dev);
@ -584,12 +585,7 @@ static int rcar_du_probe(struct platform_device *pdev)
return PTR_ERR(rcdu->mmio);
/* DRM/KMS objects */
ddev = drm_dev_alloc(&rcar_du_driver, &pdev->dev);
if (IS_ERR(ddev))
return PTR_ERR(ddev);
rcdu->ddev = ddev;
ddev->dev_private = rcdu;
rcdu->ddev.dev_private = rcdu;
ret = rcar_du_modeset_init(rcdu);
if (ret < 0) {
@ -599,25 +595,24 @@ static int rcar_du_probe(struct platform_device *pdev)
goto error;
}
ddev->irq_enabled = 1;
rcdu->ddev.irq_enabled = 1;
/*
* Register the DRM device with the core and the connectors with
* sysfs.
*/
ret = drm_dev_register(ddev, 0);
ret = drm_dev_register(&rcdu->ddev, 0);
if (ret)
goto error;
DRM_INFO("Device %s probed\n", dev_name(&pdev->dev));
drm_fbdev_generic_setup(ddev, 32);
drm_fbdev_generic_setup(&rcdu->ddev, 32);
return 0;
error:
rcar_du_remove(pdev);
drm_kms_helper_poll_fini(&rcdu->ddev);
return ret;
}

View File

@ -13,6 +13,8 @@
#include <linux/kernel.h>
#include <linux/wait.h>
#include <drm/drm_device.h>
#include "rcar_cmm.h"
#include "rcar_du_crtc.h"
#include "rcar_du_group.h"
@ -21,7 +23,6 @@
struct clk;
struct device;
struct drm_bridge;
struct drm_device;
struct drm_property;
struct rcar_du_device;
@ -79,7 +80,7 @@ struct rcar_du_device {
void __iomem *mmio;
struct drm_device *ddev;
struct drm_device ddev;
struct rcar_du_crtc crtcs[RCAR_DU_MAX_CRTCS];
unsigned int num_crtcs;

View File

@ -119,12 +119,12 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu,
}
}
ret = drm_encoder_init(rcdu->ddev, encoder, &rcar_du_encoder_funcs,
ret = drm_encoder_init(&rcdu->ddev, encoder, &rcar_du_encoder_funcs,
DRM_MODE_ENCODER_NONE, NULL);
if (ret < 0)
goto error;
ret = drmm_add_action_or_reset(rcdu->ddev, rcar_du_encoder_release,
ret = drmm_add_action_or_reset(&rcdu->ddev, rcar_du_encoder_release,
renc);
if (ret)
return ret;

View File

@ -583,7 +583,7 @@ static int rcar_du_properties_init(struct rcar_du_device *rcdu)
* or enable source color keying (1).
*/
rcdu->props.colorkey =
drm_property_create_range(rcdu->ddev, 0, "colorkey",
drm_property_create_range(&rcdu->ddev, 0, "colorkey",
0, 0x01ffffff);
if (rcdu->props.colorkey == NULL)
return -ENOMEM;
@ -752,7 +752,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
DU0_REG_OFFSET, DU2_REG_OFFSET
};
struct drm_device *dev = rcdu->ddev;
struct drm_device *dev = &rcdu->ddev;
struct drm_encoder *encoder;
unsigned int dpad0_sources;
unsigned int num_encoders;

View File

@ -773,9 +773,9 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp)
plane->group = rgrp;
ret = drm_universal_plane_init(rcdu->ddev, &plane->plane, crtcs,
&rcar_du_plane_funcs, formats,
ARRAY_SIZE(formats),
ret = drm_universal_plane_init(&rcdu->ddev, &plane->plane,
crtcs, &rcar_du_plane_funcs,
formats, ARRAY_SIZE(formats),
NULL, type, NULL);
if (ret < 0)
return ret;

View File

@ -375,7 +375,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
vsp->vsp = &pdev->dev;
ret = drmm_add_action_or_reset(rcdu->ddev, rcar_du_vsp_cleanup, vsp);
ret = drmm_add_action_or_reset(&rcdu->ddev, rcar_du_vsp_cleanup, vsp);
if (ret < 0)
return ret;
@ -402,8 +402,8 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
plane->vsp = vsp;
plane->index = i;
ret = drm_universal_plane_init(rcdu->ddev, &plane->plane, crtcs,
&rcar_du_vsp_plane_funcs,
ret = drm_universal_plane_init(&rcdu->ddev, &plane->plane,
crtcs, &rcar_du_vsp_plane_funcs,
rcar_du_vsp_formats,
ARRAY_SIZE(rcar_du_vsp_formats),
NULL, type, NULL);

View File

@ -204,7 +204,7 @@ int rcar_du_writeback_init(struct rcar_du_device *rcdu,
drm_connector_helper_add(&wb_conn->base,
&rcar_du_wb_conn_helper_funcs);
return drm_writeback_connector_init(rcdu->ddev, wb_conn,
return drm_writeback_connector_init(&rcdu->ddev, wb_conn,
&rcar_du_wb_conn_funcs,
&rcar_du_wb_enc_helper_funcs,
writeback_formats,