Re: [Intel-gfx] [PATCH v4 0/6] drm: Move struct drm_device.pdev to legacy

[Thomas Zimmermann <tzimmermann@suse.de>]

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FYI patches 1 and 5 are now in drm-misc-next.

Am 18.01.21 um 14:14 schrieb Thomas Zimmermann:
> I merged more patches into drm-misc-next. I'm mostly sending out v4 of
> this patchset to split the final patch into the core changes and the
> patch for moving pdev behind CONFIG_DRM_LEGACY. The former are required
> to fix a reported bug. [1] There's also a fix to vmwgfx.
> 
> The pdev field in struct drm_device points to a PCI device structure and
> goes back to UMS-only days when all DRM drivers were for PCI devices.
> Meanwhile we also support USB, SPI and platform devices. Each of those
> uses the generic device stored in struct drm_device.dev.
> 
> To reduce duplication and remove the special case of PCI, this patchset
> converts all modesetting drivers from pdev to dev and makes pdev a field
> for legacy UMS drivers.
> 
> For PCI devices, the pointer in struct drm_device.dev can be upcasted to
> struct pci_device; or tested for PCI with dev_is_pci(). In several places
> the code can use the dev field directly.
> 
> After converting all drivers and the DRM core, the pdev fields becomes
> only relevant for legacy drivers. In a later patchset, we may want to
> convert these as well and remove pdev entirely.
> 
> v4:
> 	* merged several patches
> 	* moved core changes into separate patch
> 	* vmwgfx build fix
> v3:
> 	* merged several patches
> 	* fix one pdev reference in nouveau (Jeremy)
> 	* rebases
> v2:
> 	* move whitespace fixes into separate patches (Alex, Sam)
> 	* move i915 gt/ and gvt/ changes into separate patches (Joonas)
> 
> [1] https://lore.kernel.org/dri-devel/7851c78c-8c57-3c84-cd49-a72703095a5d@suse.de/
> 
> Thomas Zimmermann (6):
>    drm: Upcast struct drm_device.dev to struct pci_device; replace pdev
>    drm/i915: Remove references to struct drm_device.pdev
>    drm/i915/gt: Remove references to struct drm_device.pdev
>    drm/i915/gvt: Remove references to struct drm_device.pdev
>    drm/vmwgfx: Remove reference to struct drm_device.pdev
>    drm: Move struct drm_device.pdev to legacy section
> 
>   drivers/gpu/drm/drm_agpsupport.c              |  9 ++++---
>   drivers/gpu/drm/drm_bufs.c                    |  4 +--
>   drivers/gpu/drm/drm_edid.c                    |  7 ++++-
>   drivers/gpu/drm/drm_irq.c                     | 12 +++++----
>   drivers/gpu/drm/drm_pci.c                     | 26 +++++++++++--------
>   drivers/gpu/drm/drm_vm.c                      |  2 +-
>   drivers/gpu/drm/i915/display/intel_bios.c     |  2 +-
>   drivers/gpu/drm/i915/display/intel_cdclk.c    | 14 +++++-----
>   drivers/gpu/drm/i915/display/intel_csr.c      |  2 +-
>   drivers/gpu/drm/i915/display/intel_dsi_vbt.c  |  2 +-
>   drivers/gpu/drm/i915/display/intel_fbdev.c    |  2 +-
>   drivers/gpu/drm/i915/display/intel_gmbus.c    |  2 +-
>   .../gpu/drm/i915/display/intel_lpe_audio.c    |  5 ++--
>   drivers/gpu/drm/i915/display/intel_opregion.c |  6 ++---
>   drivers/gpu/drm/i915/display/intel_overlay.c  |  2 +-
>   drivers/gpu/drm/i915/display/intel_panel.c    |  4 +--
>   drivers/gpu/drm/i915/display/intel_quirks.c   |  2 +-
>   drivers/gpu/drm/i915/display/intel_sdvo.c     |  2 +-
>   drivers/gpu/drm/i915/display/intel_vga.c      |  8 +++---
>   drivers/gpu/drm/i915/gem/i915_gem_phys.c      |  6 ++---
>   drivers/gpu/drm/i915/gem/i915_gem_shmem.c     |  2 +-
>   drivers/gpu/drm/i915/gt/intel_engine_cs.c     |  2 +-
>   drivers/gpu/drm/i915/gt/intel_ggtt.c          | 10 +++----
>   drivers/gpu/drm/i915/gt/intel_ppgtt.c         |  2 +-
>   drivers/gpu/drm/i915/gt/intel_rc6.c           |  4 +--
>   drivers/gpu/drm/i915/gt/intel_region_lmem.c   |  8 +++---
>   drivers/gpu/drm/i915/gt/intel_reset.c         |  6 ++---
>   drivers/gpu/drm/i915/gvt/cfg_space.c          |  5 ++--
>   drivers/gpu/drm/i915/gvt/firmware.c           | 10 +++----
>   drivers/gpu/drm/i915/gvt/gtt.c                | 12 ++++-----
>   drivers/gpu/drm/i915/gvt/gvt.c                |  6 ++---
>   drivers/gpu/drm/i915/gvt/kvmgt.c              |  4 +--
>   drivers/gpu/drm/i915/i915_debugfs.c           |  2 +-
>   drivers/gpu/drm/i915/i915_drv.c               | 20 +++++++-------
>   drivers/gpu/drm/i915/i915_drv.h               |  2 +-
>   drivers/gpu/drm/i915/i915_gem_gtt.c           |  5 ++--
>   drivers/gpu/drm/i915/i915_getparam.c          |  5 ++--
>   drivers/gpu/drm/i915/i915_gpu_error.c         |  2 +-
>   drivers/gpu/drm/i915/i915_irq.c               |  6 ++---
>   drivers/gpu/drm/i915/i915_pmu.c               |  2 +-
>   drivers/gpu/drm/i915/i915_suspend.c           |  4 +--
>   drivers/gpu/drm/i915/i915_switcheroo.c        |  4 +--
>   drivers/gpu/drm/i915/i915_vgpu.c              |  2 +-
>   drivers/gpu/drm/i915/intel_device_info.c      |  2 +-
>   drivers/gpu/drm/i915/intel_runtime_pm.c       |  2 +-
>   drivers/gpu/drm/i915/intel_uncore.c           |  4 +--
>   .../gpu/drm/i915/selftests/mock_gem_device.c  |  1 -
>   drivers/gpu/drm/i915/selftests/mock_gtt.c     |  2 +-
>   drivers/gpu/drm/vmwgfx/vmwgfx_drv.c           |  1 -
>   include/drm/drm_device.h                      |  6 ++---
>   50 files changed, 137 insertions(+), 125 deletions(-)
> 
> --
> 2.29.2
> 
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> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer


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