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From: Thomas Zimmermann <tzimmermann@suse.de>
To: jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com,
	rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch,
	chris@chris-wilson.co.uk
Cc: intel-gfx@lists.freedesktop.org,
	Thomas Zimmermann <tzimmermann@suse.de>,
	dri-devel@lists.freedesktop.org
Subject: [PATCH v8 0/5] drm: Move struct drm_device.pdev to legacy
Date: Thu, 29 Apr 2021 12:50:56 +0200	[thread overview]
Message-ID: <20210429105101.25667-1-tzimmermann@suse.de> (raw)

V8 of the patchset fixes more bitrot and some commit messages.

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.

v8:
	* fix pdev bitrot in ast
	* fix commit messages (Michael)
v7:
	* fix instances of pdev that have benn added under i915/
v6:
	* also remove assignment in i915/selftests in later patch (Chris)
v5:
	* remove assignment in later patch (Chris)
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)

Thomas Zimmermann (5):
  drm/ast: Remove reference to struct drm_device.pdev
  drm/i915/gt: Remove reference to struct drm_device.pdev
  drm/i915: Remove reference to struct drm_device.pdev
  drm/i915: Don't assign to struct drm_device.pdev
  drm: Move struct drm_device.pdev to legacy section

 drivers/gpu/drm/ast/ast_main.c                   | 1 -
 drivers/gpu/drm/i915/gt/intel_region_lmem.c      | 2 +-
 drivers/gpu/drm/i915/i915_drv.c                  | 1 -
 drivers/gpu/drm/i915/intel_runtime_pm.h          | 2 +-
 drivers/gpu/drm/i915/selftests/mock_gem_device.c | 1 -
 include/drm/drm_device.h                         | 6 +++---
 6 files changed, 5 insertions(+), 8 deletions(-)


base-commit: bf25e1addaf44137e20ce95de72ff118b37d808c
prerequisite-patch-id: c2b2f08f0eccc9f5df0c0da49fa1d36267deb11d
prerequisite-patch-id: c67e5d886a47b7d0266d81100837557fda34cb24
prerequisite-patch-id: c59ca2ddb182af06006fa360ad3e90fe16b93d3a
--
2.31.1

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             reply	other threads:[~2021-04-29 10:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-29 10:50 Thomas Zimmermann [this message]
2021-04-29 10:50 ` [PATCH v8 1/5] drm/ast: Remove reference to struct drm_device.pdev Thomas Zimmermann
2021-04-29 16:04   ` Ruhl, Michael J
2021-04-29 19:22     ` Thomas Zimmermann
2021-04-29 10:50 ` [PATCH v8 2/5] drm/i915/gt: " Thomas Zimmermann
2021-04-29 16:02   ` [Intel-gfx] " Ruhl, Michael J
2021-04-29 10:50 ` [PATCH v8 3/5] drm/i915: " Thomas Zimmermann
2021-04-29 16:03   ` Ruhl, Michael J
2021-04-29 10:51 ` [PATCH v8 4/5] drm/i915: Don't assign " Thomas Zimmermann
2021-04-29 10:51 ` [PATCH v8 5/5] drm: Move struct drm_device.pdev to legacy section Thomas Zimmermann

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