Message ID | 20201204220139.15272-7-laurent.pinchart+renesas@ideasonboard.com (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Kieran Bingham |
Headers | show |
Series | drm: rcar-du: Fix LVDS-related crash | expand |
Hi Laurent, On Sat, Dec 05, 2020 at 12:01:36AM +0200, Laurent Pinchart wrote: > 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> Looks good to me (re-sorting the headers rcar_du_drv without mentioning it too). Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org> > --- > drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 33 +++++++++------------ > drivers/gpu/drm/rcar-du/rcar_du_drv.h | 5 ++-- > drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 4 +-- > drivers/gpu/drm/rcar-du/rcar_du_kms.c | 4 +-- > drivers/gpu/drm/rcar-du/rcar_du_plane.c | 6 ++-- > drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 6 ++-- > drivers/gpu/drm/rcar-du/rcar_du_writeback.c | 2 +- > 8 files changed, 29 insertions(+), 33 deletions(-) > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > index e23b9c7b4afe..9a099c0fe1d4 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > @@ -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); > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c > index 1490ec182646..4ab99ac49891 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c > @@ -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" > @@ -529,14 +530,14 @@ 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 > > @@ -551,7 +552,7 @@ 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); > > @@ -565,14 +566,14 @@ 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); > @@ -586,12 +587,7 @@ 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) { > @@ -601,25 +597,24 @@ 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; > } > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h > index 71732fc5df8f..e5b6f456357e 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h > @@ -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; > struct rcar_du_encoder; > @@ -80,7 +81,7 @@ 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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > index 7c491ff72cd2..e4f35a88d00f 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > @@ -120,12 +120,12 @@ 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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c > index 72dda446355f..57bb0dc22807 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c > @@ -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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c > index a0021fc25b27..5f69ff4502c1 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c > @@ -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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > index 78a886651d9f..53221d8473c1 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > @@ -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); > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c > index 04efa78d70b6..c79d1259e49b 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c > @@ -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, > -- > Regards, > > Laurent Pinchart >
Hi Laurent, On 04/12/2020 22:01, Laurent Pinchart wrote: > Embedding drm_device in rcar_du_device allows usage of the DRM managed > API to allocate both structures in one go, simplifying error handling. No point making multiple allocations unnecessarily... LGTM. Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> > --- > drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 33 +++++++++------------ > drivers/gpu/drm/rcar-du/rcar_du_drv.h | 5 ++-- > drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 4 +-- > drivers/gpu/drm/rcar-du/rcar_du_kms.c | 4 +-- > drivers/gpu/drm/rcar-du/rcar_du_plane.c | 6 ++-- > drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 6 ++-- > drivers/gpu/drm/rcar-du/rcar_du_writeback.c | 2 +- > 8 files changed, 29 insertions(+), 33 deletions(-) > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > index e23b9c7b4afe..9a099c0fe1d4 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > @@ -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); > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c > index 1490ec182646..4ab99ac49891 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c > @@ -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" > @@ -529,14 +530,14 @@ 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 > > @@ -551,7 +552,7 @@ 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); > > @@ -565,14 +566,14 @@ 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); > @@ -586,12 +587,7 @@ 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) { > @@ -601,25 +597,24 @@ 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; > } > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h > index 71732fc5df8f..e5b6f456357e 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h > @@ -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; > struct rcar_du_encoder; > @@ -80,7 +81,7 @@ 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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > index 7c491ff72cd2..e4f35a88d00f 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > @@ -120,12 +120,12 @@ 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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c > index 72dda446355f..57bb0dc22807 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c > @@ -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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c > index a0021fc25b27..5f69ff4502c1 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c > @@ -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; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > index 78a886651d9f..53221d8473c1 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > @@ -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); > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c > index 04efa78d70b6..c79d1259e49b 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c > @@ -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, >
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index e23b9c7b4afe..9a099c0fe1d4 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -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); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 1490ec182646..4ab99ac49891 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -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" @@ -529,14 +530,14 @@ 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 @@ -551,7 +552,7 @@ 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); @@ -565,14 +566,14 @@ 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); @@ -586,12 +587,7 @@ 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) { @@ -601,25 +597,24 @@ 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; } diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index 71732fc5df8f..e5b6f456357e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -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; struct rcar_du_encoder; @@ -80,7 +81,7 @@ 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; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index 7c491ff72cd2..e4f35a88d00f 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -120,12 +120,12 @@ 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; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 72dda446355f..57bb0dc22807 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -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; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c index a0021fc25b27..5f69ff4502c1 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c @@ -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; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 78a886651d9f..53221d8473c1 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -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); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c index 04efa78d70b6..c79d1259e49b 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c @@ -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,
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> --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +- drivers/gpu/drm/rcar-du/rcar_du_drv.c | 33 +++++++++------------ drivers/gpu/drm/rcar-du/rcar_du_drv.h | 5 ++-- drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 4 +-- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 4 +-- drivers/gpu/drm/rcar-du/rcar_du_plane.c | 6 ++-- drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 6 ++-- drivers/gpu/drm/rcar-du/rcar_du_writeback.c | 2 +- 8 files changed, 29 insertions(+), 33 deletions(-)