- 11 Dec, 2015 5 commits
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Ville Syrjälä authored
Show a sensible name for the crtc in debug mesages. The driver may supply its own name, otherwise the core genrates the name ("crtc-0", "crtc-1" etc.). v2: kstrdup() the name passed by the caller (Jani) v3: Generate a default name if the driver doesn't supply one Signed-off-by:Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1449592922-5545-6-git-send-email-ville.syrjala@linux.intel.com
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Ville Syrjälä authored
Use the encoder name passed by the driver if non-NULL, otherwise fall back to the old style name. Signed-off-by:
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Ville Syrjälä authored
Done with coccinelle for the most part. However, it thinks '...' is part of the semantic patch, so I put an 'int DOTDOTDOT' placeholder in its place and got rid of it with sed afterwards. @@ identifier dev, encoder, funcs; @@ int drm_encoder_init(struct drm_device *dev, struct drm_encoder *encoder, const struct drm_encoder_funcs *funcs, int encoder_type + ,const char *name, int DOTDOTDOT ) { ... } @@ identifier dev, encoder, funcs; @@ int drm_encoder_init(struct drm_device *dev, struct drm_encoder *encoder, const struct drm_encoder_funcs *funcs, int encoder_type + ,const char *name, int DOTDOTDOT ); @@ expression E1, E2, E3, E4; @@ drm_encoder_init(E1, E2, E3, E4 + ,NULL ) v2: Add ', or NULL...' to @name kernel doc (Jani) Annotate the function with __printf() attribute (Jani) Signed-off-by: -
Ville Syrjälä authored
Done with coccinelle for the most part. It choked on msm/mdp/mdp5/mdp5_plane.c like so: "BAD:!!!!! enum drm_plane_type type;" No idea how to deal with that, so I just fixed that up by hand. Also it thinks '...' is part of the semantic patch, so I put an 'int DOTDOTDOT' placeholder in its place and got rid of it with sed afterwards. I didn't convert drm_plane_init() since passing the varargs through would mean either cpp macros or va_list, and I figured we don't care about these legacy functions enough to warrant the extra pain. @@ typedef uint32_t; identifier dev, plane, possible_crtcs, funcs, formats, format_count, type; @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, const struct drm_plane_funcs *funcs, const uint32_t *formats, unsigned int format_count, enum drm_plane_type type + ,const char *name, int DOTDOTDOT ) { ... } @@ identifier dev, plane, possible_crtcs, funcs, formats, format_count, type; @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, const struct drm_plane_funcs *funcs, const uint32_t *formats, unsigned int format_count, enum drm_plane_type type + ,const char *name, int DOTDOTDOT ); @@ expression E1, E2, E3, E4, E5, E6, E7; @@ drm_universal_plane_init(E1, E2, E3, E4, E5, E6, E7 + ,NULL ) v2: Split crtc and plane changes apart Pass NUL for no-name instead of "" Leave drm_plane_init() alone v3: Add ', or NULL...' to @name kernel doc (Jani) Annotate the function with __printf() attribute (Jani) Signed-off-by: -
Ville Syrjälä authored
Done with coccinelle for the most part. However, it thinks '...' is part of the semantic patch, so I put an 'int DOTDOTDOT' placeholder in its place and got rid of it with sed afterwards. I didn't convert drm_crtc_init() since passing the varargs through would mean either cpp macros or va_list, and I figured we don't care about these legacy functions enough to warrant the extra pain. @@ identifier dev, crtc, primary, cursor, funcs; @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, struct drm_plane *primary, struct drm_plane *cursor, const struct drm_crtc_funcs *funcs + ,const char *name, int DOTDOTDOT ) { ... } @@ identifier dev, crtc, primary, cursor, funcs; @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, struct drm_plane *primary, struct drm_plane *cursor, const struct drm_crtc_funcs *funcs + ,const char *name, int DOTDOTDOT ); @@ expression E1, E2, E3, E4, E5; @@ drm_crtc_init_with_planes(E1, E2, E3, E4, E5 + ,NULL ) v2: Split crtc and plane changes apart Pass NULL for no-name instead of "" Leave drm_crtc_init() alone v3: Add ', or NULL...' to @name kernel doc (Jani) Annotate the function with __printf() attribute (Jani) Signed-off-by:
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- 09 Dec, 2015 3 commits
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Daniel Vetter authored
Every time I type or review docs this seems a bit different. Try to document the common style so we can try to unify at least new docs. v2: Spelling fixes from Pierre, Laurent and Jani. v3: More spelling fixes from Lukas. Cc: Pierre Moreau <pierre.morrow@free.fr> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Lukas Wunner <lukas@wunner.de> Acked-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1449564561-3896-1-git-send-email-daniel.vetter@ffwll.ch
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Daniel Vetter authored
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:
Thierry Reding <treding@nvidia.com>
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Daniel Vetter authored
This was in the documentation for modeset helper hooks, where it is a bit misplaced. v2: Reindent the drm_mode_status enum, inspired by Ville. v3: Suggestions from Ville and Thierry. v4: Small fixup that 0day spotted. v5: Slight change to avoid accidental headings in kerneldoc output. Cc: ville.syrjala@linux.intel.com Signed-off-by:
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- 08 Dec, 2015 26 commits
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Daniel Vetter authored
They have pretty kerneldoc already, but better to link to that in one of the overview sections. Signed-off-by:
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Daniel Vetter authored
Nothing special, except the somewhat awkward split in probe helper callbacks between here and drm_crtc_funcs. v2: Suggestions from Thierry. Signed-off-by:
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Daniel Vetter authored
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:
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Daniel Vetter authored
The meat here is definitely the detailed specs for what atomic_check and atomic_commit are supposed to do. And another candidate for a core vfunc that should be in a helper really (output_poll_changed this time around). v2: Feedback from Eric on irc: - spelling fixes. - spec what async should do - copy the event related paragraphs from page_flip and adjust - make it clear that a successful async commit is not allowed to leave the pipe dead or disabled. v3: Use FIXME comments to annotate functions that we should move to some helpers. v4: Suggestions from Thierry. Cc: Eric Anholt <eric@anholt.net> Signed-off-by:
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Daniel Vetter authored
While typing these I noticed that ->dirty is a bit a can of worms and even supports blt/fill semantics ... shocked me a bit. Oh well it's defined in a way that nothing bad (just a bit of inefficiency) will happen for drivers which supports this. So I didn't bother copying the detailed spec into the new kerneldoc. v2: Suggestions from Thierry. Signed-off-by:
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Daniel Vetter authored
And merge any docbook we have into the kerneldoc comments. Since it's a legacy entry point with only two implementation (one each in atomic and legacy crtc helpers) I've made the documentation for set_config fairly sparse - no one should ever need to look at this again, all the ABI we have is baked into code. For ->page_flip otoh I kept all the extensive docs from the docbook and even extended it where it was lacking: Currently we have a pile of legacy page_flip implemantations, and even for atomic drivers there's not yet a standard implementation in the helpers. Which means every driver needs to implement this itself, and precise specs are really valuable. Otherwise there's just cursor, which really just boils down to "use at least universal planes". And gamma tables (where we have a bit a mess with the fbdev helper gamma hooks). v2: Spelling fixes (Eric). v3: Suggestions from Thierry. Cc: Eric Anholt <eric@anholt.net> Signed-off-by:
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Daniel Vetter authored
We always register the DPMS property, it's really a fundamental part of a display driver. So don't check whether the vfunc is there, it's non-optional Yes I've audited all the almost 100 drm_connector_funcs we have, no one botched this ;-) Signed-off-by:
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Daniel Vetter authored
The special case here is that both ->detect and ->force are actually functions only called by the probe helpers and hence really shouldn't be here. But since they've used by pretty much every driver I figured it's better to just document this for now instead of holding this doc patch hostage until that's all fixed. For that reason also group force right next to detect. v2: Use FIXME comments to annotate where we should move a hook to helpers. Signed-off-by:
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Daniel Vetter authored
Yes these are internal functions and not exported and we generally don't document them. But for symmetry with the _set_property functions (which are exported for the atomic helpers) I'd like to document them. Upcoming vtable kerneldoc will reference both the set and get_property functions. v2: Suggestions from Thierry. Signed-off-by:
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Daniel Vetter authored
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:
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Daniel Vetter authored
They're not how system suspend/resume should be done with atomic (there's new helpers for that developed by Thierry Reding), and for legacy drivers this really should be a helper hook and not a core one. But there's not even helper code to use them, and only 2 drivers (which now have their own private hooks) set them. Ditch them. Saves me typing some kerneldoc, too ;-) Signed-off-by:
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Daniel Vetter authored
I want to remove the core ones since with atomic drivers system suspend/resume is solved much differently. And there's only 2 drivers (gma500 besides nouveau) really using them. v2: Fixup bugs Ilia spotted. Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by:
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Daniel Vetter authored
I want to remove the core ones since with atomic drivers system suspend/resume is solved much differently. And there's only 2 drivers (nouveau besides gma500) really using them. v2: Fixup build noise 0day reported. Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Signed-off-by:
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Rodrigo Vivi authored
save/restore have been removed from drm_encoder_helper_funcs by 'commit 79f13ad5d8e0 ("drm: Move encoder->save/restore into nouveau")' But this module was still defining it with empty content causing compilation fails: drivers/gpu/drm/i2c/tda998x_drv.c:1354:10: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] .save = tda998x_encoder_save, drivers/gpu/drm/i2c/tda998x_drv.c:1355:2: error: unknown field 'restore' specified in initializer .restore = tda998x_encoder_restore, Cc: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by:Rodrigo Vivi <rodrigo.vivi@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1449513306-17309-1-git-send-email-rodrigo.vivi@intel.com
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Daniel Vetter authored
These hooks will be gone soon. Cc: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by:
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Daniel Vetter authored
These hooks will be gone soon. Cc: Dave Airlie <airlied@redhat.com> Signed-off-by:
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Daniel Vetter authored
These hooks will be gone soon. Cc: Dave Airlie <airlied@redhat.com> Signed-off-by:
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Daniel Vetter authored
gcc does this for us, and these hooks will be gone soon. Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by:
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Daniel Vetter authored
- Merge the docbook into the kerneldoc comments. - Spec in detail the precise semantics of the callbacks. - For consistency in wording and easier review roll out kerneldoc also for crtc, encoder and connector for the standard hooks they share with planes. v2: Suggestions from Thierry. Signed-off-by:
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Daniel Vetter authored
Especially document the assumptions and semantics of the callbacks carefully. Just a warm-up excercise really. v2: Spelling fixes (Eric). v3: Consolidate more with existing docs: - Remove the overview section explaining the bridge funcs, that's now all in the drm_bridge_funcs kerneldoc in much more detail. - Use & to reference structs so that kerneldoc automatically inserts hyperlinks. v4: Review from Thierry. Cc: Eric Anholt <eric@anholt.net> Cc: Archit Taneja <architt@codeaurora.org> Signed-off-by:
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Daniel Vetter authored
Duplication is bad, luckily both help texts highlighted different issues so the kerneldoc gained quite a bit! While at it also sprinkle more references to the vtable structs around and make it clear that legacy CRTC helpers are deprecated and which functions to use instead. v2: Spelling fixes and polish (Thierry). Signed-off-by:
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Daniel Vetter authored
Originally the idea behind void* was to allow different sets of helpers. But now we have that (with probe, plane, crtc and atomic helpers) and we still just use the same set of vtables. That's the only way to make the individual helpers modular and allow drivers to pick&choose and transition between them. So this flexibility isn't really needed. Also we have lots of non-vtable data meanwhile in core structures too, this is not the first one at all. Given that the void * is only trouble since gcc can't warn you if you mix them up. Let's fix that and make them typesafe. Signed-off-by:
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Daniel Vetter authored
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:
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Daniel Vetter authored
This is only used for kgdb (and previously panic) handlers in the fbdev emulation, so belongs there. Note that this means we'll leave behind a forward declaration, but once all the helper vtables are consolidated (in the next patch) that will make more sense. v2: fixup radone/amdgpu. Signed-off-by:
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Daniel Vetter authored
Mostly this is just adding extensive docs for the callbacks, but also a few other additions. v2: Use FIXME comments to annotate helper hooks that should be replaced. v3: Small nits (Thierry). Signed-off-by:
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Dave Airlie authored
We've picked up a few conflicts and it would be nice to resolve them before we move onwards.
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- 07 Dec, 2015 1 commit
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git://anongit.freedesktop.org/drm-intelDave Airlie authored
New -misc pull. Big thing is Thierry's atomic helpers for system suspend resume, which I'd like to use in i915 too. Hence the pull. * tag 'topic/drm-misc-2015-12-04' of git://anongit.freedesktop.org/drm-intel: drm: keep connector status change logging human readable drm/atomic-helper: Reject attempts at re-stealing encoders drm/atomic-helper: Implement subsystem-level suspend/resume drm: Implement drm_modeset_lock_all_ctx() drm/gma500: Add driver private mutex for the fault handler drm/gma500: Drop dev->struct_mutex from mmap offset function drm/gma500: Drop dev->struct_mutex from fbdev init/teardown code drm/gma500: Drop dev->struct_mutex from modeset code drm/gma500: Use correct unref in the gem bo create function drm/edid: Make the detailed timing CEA/HDMI mode fixup accept up to 5kHz clock difference drm/atomic_helper: Add drm_atomic_helper_disable_planes_on_crtc() drm: Serialise multiple event readers drm: Drop dev->event_lock spinlock around faulting copy_to_user()
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- 06 Dec, 2015 5 commits
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Linus Torvalds authored
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James Simmons authored
The ioctl IOC_LIBCFS_PING_TEST has not been used in ages. The recent nidstring changes which moved all the nidstring operations from libcfs to the LNet layer but this ioctl code was still using an nidstring operation that was causing a circular dependency loop between libcfs and LNet. Signed-off-by:
James Simmons <jsimmons@infradead.org> Signed-off-by:
Oleg Drokin <green@linuxhacker.ru> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs fixes from Al Viro: "A couple of fixes (-stable fodder) + dead code removal after the overlayfs fix. I agree that it's better to separate from the fix part to make backporting easier, but IMO it's not worth delaying said dead code removal until the next window" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Don't reset ->total_link_count on nested calls of vfs_path_lookup() ovl: get rid of the dead code left from broken (and disabled) optimizations ovl: fix permission checking for setattr
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Al Viro authored
we already zero it on outermost set_nameidata(), so initialization in path_init() is pointless and wrong. The same DoS exists on pre-4.2 kernels, but there a slightly different fix will be needed. Cc: stable@vger.kernel.org # v4.2 Signed-off-by:Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
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