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drm: Add helper for simple display pipeline

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Provides helper functions for drivers that have a simple display
pipeline. Plane, crtc and encoder are collapsed into one entity.

Changes since v4:
- Remove drm_connector_register() call
- Forgot to assign pipe->connector

Changes since v3:
- (struct drm_simple_display_pipe *)->funcs should be const

Changes since v2:
- Drop Kconfig knob DRM_KMS_HELPER
- Expand documentation

Changes since v1:
- Add DOC header and add to gpu.tmpl
- Fix docs: @funcs is optional, "negative error code",
  "This hook is optional."
- Add checks to drm_simple_kms_plane_atomic_check()

Cc: jsarha@ti.com
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465570559-14238-1-git-send-email-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes
2016-06-10 16:55:59 +02:00
committed by Daniel Vetter
parent c2a441fe8f
commit 5b8090747a
4 changed files with 307 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Documentation/DocBook/gpu.tmpl
View File

@@ -1688,6 +1688,12 @@ void intel_crt_init(struct drm_device *dev)
!Edrivers/gpu/drm/drm_panel.c
!Pdrivers/gpu/drm/drm_panel.c drm panel
</sect2>
<sect2>
<title>Simple KMS Helper Reference</title>
!Iinclude/drm/drm_simple_kms_helper.h
!Edrivers/gpu/drm/drm_simple_kms_helper.c
!Pdrivers/gpu/drm/drm_simple_kms_helper.c overview
</sect2>
</sect1>
<!-- Internals: kms properties -->