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* drm: fixes crct set_mode when encoder mode_fixup is null.Carlos Palminha2016-02-111-1/+1
| | | | | | | | | Avoids null crash when encoders don't implement mode_fixup. Signed-off-by: Carlos Palminha <palminha@synopsys.com> [danvet: Also update kerneldoc.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1455106522-32307-1-git-send-email-palminha@synopsys.com
* drm/docs: more leftovers from the big vtable documentation pileDaniel Vetter2016-01-051-3/+41
| | | | | | | | | | | | | | | | | Another pile of vfuncs from the old gpu.tmpl xml documentation that I've forgotten to delete. I spotted a few more things to clarify/extend in the new kerneldoc while going through this once more. v2: Spelling fixes (Thierry). v3: More spelling fixes and use Thierry's proposal to clarify why drivers need to validate modes both in ->mode_fixup and ->mode_valid. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Thierry Reding <treding@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
* drm: Document drm_encoder/crtc_helper_funcsDaniel Vetter2015-12-091-48/+401
| | | | | | | | | | | | Mostly this is about all the callbacks used for modesets by both legacy CRTC helpers and atomic helpers and I figured it doesn't make all that much sense to split this up. v2: Suggestions from Thierry. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-28-git-send-email-daniel.vetter@ffwll.ch Reviewed-by: Thierry Reding <treding@nvidia.com>
* drm: Document drm_connector_helper_funcsDaniel Vetter2015-12-081-5/+101
| | | | | | | | | | | Nothing special, except the somewhat awkward split in probe helper callbacks between here and drm_crtc_funcs. v2: Suggestions from Thierry. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-25-git-send-email-daniel.vetter@ffwll.ch Reviewed-by: Thierry Reding <treding@nvidia.com>
* drm: Document drm_plane_helper_funcsDaniel Vetter2015-12-081-11/+199
| | | | | | | | | | | Plus related hooks used to do atomic plane updates since they only really make sense as a package. v2: Suggestions from Thierry. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-24-git-send-email-daniel.vetter@ffwll.ch Reviewed-by: Thierry Reding <treding@nvidia.com>
* drm: Move encoder->save/restore into nouveauDaniel Vetter2015-12-081-4/+0
| | | | | | | | | | | | | | | Nouveau is the only user, and atomic drivers should do state save/restoring differently. So move it into noveau. Saves me typing some kerneldoc, too ;-) v2: Move misplaced hunk into earlier nouveau patch. Cc: Ilia Mirkin <imirkin@alum.mit.edu> Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1449245647-1315-1-git-send-email-daniel.vetter@ffwll.ch Reviewed-by: Thierry Reding <treding@nvidia.com>
* drm: Reorganize helper vtables and their docsDaniel Vetter2015-12-081-0/+257
Currently we have 4 helper libraries (probe, crtc, plane & atomic) that all use the same helper vtables. And that's by necessity since we don't want to litter the core structs with one ops pointer per helper library. Also often the reuse the same hooks (like atomic does, to facilite conversion from existing drivers using crtc and plane helpers). Given all that it doesn't make sense to put the docs for these next to specific helpers. Instead extract them into a new header file and section in the docbook, and add references to them everywhere. Unfortunately kernel-doc complains when an include directive doesn't find anything (and it does by dumping crap into the output file). We have to remove the now empty includes to avoid that, instead of leaving them in for future proofing. v2: More OCD in ordering functions. v3: Spelling plus collate copyright headers properly. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-4-git-send-email-daniel.vetter@ffwll.ch Reviewed-by: Thierry Reding <treding@nvidia.com>