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Message-ID: <CANyH0kB4ECdjwNm=X6iAQkc1_+U+gdwumtqqeRtKPmvTb6G=cA@mail.gmail.com>
Date: Mon, 24 Jun 2024 11:15:39 -0400
From: Hoi Pok Wu <wuhoipok@...il.com>
To: Thomas Zimmermann <tzimmermann@...e.de>
Cc: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
"open list:RADEON and AMDGPU DRM DRIVERS" <amd-gfx@...ts.freedesktop.org>,
"open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/7] drm/radeon: remove load callback
Thank you. I have resubmitted with a cover letter.
On Mon, Jun 24, 2024 at 3:22 AM Thomas Zimmermann <tzimmermann@...e.de> wrote:
>
> Hi
>
> Am 21.06.24 um 16:15 schrieb Wu Hoi Pok:
> > This is "drm/radeon: remove load callback" v2, the only changes
> > were made are adding "ddev->dev_private = rdev;", right after
> > the allocation of "struct radeon_device". Patch v2 2-7 mostly
> > describes simple "rdev->ddev" to "rdev_to_drm(rdev)" to suit
> > Patch v2 1/7.
> >
> > Please be aware that these 7 patches depends on each other.
>
> Thanks for the update. In the current form, it's not reviewable, or
> trackable in patchwork
> (https://patchwork.freedesktop.org/project/dri-devel/series/).
>
> For sending patch series, please use 'git send-email' with the
> --cover-letter option. This will provide you with a single email for
> describing the patchset as a whole, and create all actual patch mails as
> replies to the cover letter.
>
> Maybe test this first with your local email account and then please
> resubmit to the mailing list.
>
> Best regards
> Thomas
>
> >
> > Thank you.
> >
> > Signed-off-by: Wu Hoi Pok <wuhoipok@...il.com>
> > ---
> > drivers/gpu/drm/radeon/radeon.h | 11 ++++++++---
> > drivers/gpu/drm/radeon/radeon_drv.c | 27 ++++++++++++++++++---------
> > drivers/gpu/drm/radeon/radeon_drv.h | 1 -
> > drivers/gpu/drm/radeon/radeon_kms.c | 18 ++++++------------
> > 4 files changed, 32 insertions(+), 25 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
> > index 0999c8eaae94..69bb30ced189 100644
> > --- a/drivers/gpu/drm/radeon/radeon.h
> > +++ b/drivers/gpu/drm/radeon/radeon.h
> > @@ -2297,7 +2297,7 @@ typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
> >
> > struct radeon_device {
> > struct device *dev;
> > - struct drm_device *ddev;
> > + struct drm_device ddev;
> > struct pci_dev *pdev;
> > #ifdef __alpha__
> > struct pci_controller *hose;
> > @@ -2440,10 +2440,13 @@ struct radeon_device {
> > u64 gart_pin_size;
> > };
> >
> > +static inline struct drm_device *rdev_to_drm(struct radeon_device *rdev)
> > +{
> > + return &rdev->ddev;
> > +}
> > +
> > bool radeon_is_px(struct drm_device *dev);
> > int radeon_device_init(struct radeon_device *rdev,
> > - struct drm_device *ddev,
> > - struct pci_dev *pdev,
> > uint32_t flags);
> > void radeon_device_fini(struct radeon_device *rdev);
> > int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
> > @@ -2818,6 +2821,8 @@ struct radeon_device *radeon_get_rdev(struct ttm_device *bdev);
> >
> > /* KMS */
> >
> > +int radeon_driver_load_kms(struct radeon_device *dev, unsigned long flags);
> > +
> > u32 radeon_get_vblank_counter_kms(struct drm_crtc *crtc);
> > int radeon_enable_vblank_kms(struct drm_crtc *crtc);
> > void radeon_disable_vblank_kms(struct drm_crtc *crtc);
> > diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
> > index 7bf08164140e..ae9cadceba83 100644
> > --- a/drivers/gpu/drm/radeon/radeon_drv.c
> > +++ b/drivers/gpu/drm/radeon/radeon_drv.c
> > @@ -259,7 +259,8 @@ static int radeon_pci_probe(struct pci_dev *pdev,
> > const struct pci_device_id *ent)
> > {
> > unsigned long flags = 0;
> > - struct drm_device *dev;
> > + struct drm_device *ddev;
> > + struct radeon_device *rdev;
> > int ret;
> >
> > if (!ent)
> > @@ -300,28 +301,37 @@ static int radeon_pci_probe(struct pci_dev *pdev,
> > if (ret)
> > return ret;
> >
> > - dev = drm_dev_alloc(&kms_driver, &pdev->dev);
> > - if (IS_ERR(dev))
> > - return PTR_ERR(dev);
> > + rdev = devm_drm_dev_alloc(&pdev->dev, &kms_driver, typeof(*rdev), ddev);
> > + if (IS_ERR(rdev))
> > + return PTR_ERR(rdev);
> > +
> > + rdev->dev = &pdev->dev;
> > + rdev->pdev = pdev;
> > + ddev = rdev_to_drm(rdev);
> > + ddev->dev_private = rdev;
> >
> > ret = pci_enable_device(pdev);
> > if (ret)
> > goto err_free;
> >
> > - pci_set_drvdata(pdev, dev);
> > + pci_set_drvdata(pdev, ddev);
> > +
> > + ret = radeon_driver_load_kms(rdev, flags);
> > + if (ret)
> > + goto err_agp;
> >
> > - ret = drm_dev_register(dev, ent->driver_data);
> > + ret = drm_dev_register(ddev, flags);
> > if (ret)
> > goto err_agp;
> >
> > - radeon_fbdev_setup(dev->dev_private);
> > + radeon_fbdev_setup(ddev->dev_private);
> >
> > return 0;
> >
> > err_agp:
> > pci_disable_device(pdev);
> > err_free:
> > - drm_dev_put(dev);
> > + drm_dev_put(ddev);
> > return ret;
> > }
> >
> > @@ -569,7 +579,6 @@ static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
> > static const struct drm_driver kms_driver = {
> > .driver_features =
> > DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
> > - .load = radeon_driver_load_kms,
> > .open = radeon_driver_open_kms,
> > .postclose = radeon_driver_postclose_kms,
> > .unload = radeon_driver_unload_kms,
> > diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
> > index 02a65971d140..6c1eb75a951b 100644
> > --- a/drivers/gpu/drm/radeon/radeon_drv.h
> > +++ b/drivers/gpu/drm/radeon/radeon_drv.h
> > @@ -117,7 +117,6 @@
> > long radeon_drm_ioctl(struct file *filp,
> > unsigned int cmd, unsigned long arg);
> >
> > -int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
> > void radeon_driver_unload_kms(struct drm_device *dev);
> > int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
> > void radeon_driver_postclose_kms(struct drm_device *dev,
> > diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
> > index a16590c6247f..d2df194393af 100644
> > --- a/drivers/gpu/drm/radeon/radeon_kms.c
> > +++ b/drivers/gpu/drm/radeon/radeon_kms.c
> > @@ -91,7 +91,7 @@ void radeon_driver_unload_kms(struct drm_device *dev)
> > /**
> > * radeon_driver_load_kms - Main load function for KMS.
> > *
> > - * @dev: drm dev pointer
> > + * @rdev: radeon dev pointer
> > * @flags: device flags
> > *
> > * This is the main load function for KMS (all asics).
> > @@ -101,24 +101,18 @@ void radeon_driver_unload_kms(struct drm_device *dev)
> > * (crtcs, encoders, hotplug detect, etc.).
> > * Returns 0 on success, error on failure.
> > */
> > -int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
> > +int radeon_driver_load_kms(struct radeon_device *rdev, unsigned long flags)
> > {
> > - struct pci_dev *pdev = to_pci_dev(dev->dev);
> > - struct radeon_device *rdev;
> > + struct pci_dev *pdev = rdev->pdev;
> > + struct drm_device *dev = rdev_to_drm(rdev);
> > int r, acpi_status;
> >
> > - rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
> > - if (rdev == NULL) {
> > - return -ENOMEM;
> > - }
> > - dev->dev_private = (void *)rdev;
> > -
> > #ifdef __alpha__
> > rdev->hose = pdev->sysdata;
> > #endif
> >
> > if (pci_find_capability(pdev, PCI_CAP_ID_AGP))
> > - rdev->agp = radeon_agp_head_init(dev);
> > + rdev->agp = radeon_agp_head_init(rdev_to_drm(rdev));
> > if (rdev->agp) {
> > rdev->agp->agp_mtrr = arch_phys_wc_add(
> > rdev->agp->agp_info.aper_base,
> > @@ -147,7 +141,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
> > * properly initialize the GPU MC controller and permit
> > * VRAM allocation
> > */
> > - r = radeon_device_init(rdev, dev, pdev, flags);
> > + r = radeon_device_init(rdev, flags);
> > if (r) {
> > dev_err(dev->dev, "Fatal error during GPU init\n");
> > goto out;
>
> --
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Frankenstrasse 146, 90461 Nuernberg, Germany
> GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
> HRB 36809 (AG Nuernberg)
>
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