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* drm: Handle properties in the core for atomic driversDaniel Vetter2017-08-081-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reason behind the original indirection through the helper functions was to allow existing drivers to overwrite how they handle properties. For example when a vendor-specific userspace had expectations that didn't match atomic. That seemed likely, since atomic is standardizing a _lot_ more of the behaviour of a kms driver. But 20 drivers later there's no such need at all. Worse, this forces all drivers to hook up the default behaviour, breaking userspace if they forget to do that. And it forces us to export a bunch of core function just for those helpers. And finally, these helpers are the last places using drm_atomic_legacy_backoff() and the implicit acquire_ctx. This patch here just implements the new behaviour and updates the docs. Follow-up patches will garbage-collect all the dead code. v2: Fixup docs even better! v3: Make it actually work ... v4: Drop the uses_atomic_modeset() checks from the previous patch again, since they're now moved up in the callchain. Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> (v3) Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170725120204.2107-1-daniel.vetter@ffwll.ch
* drm: remove unused and redundant callbacksPeter Rosin2017-08-071-8/+0
| | | | | | | | | | Drivers no longer have any need for these callbacks, and there are no users. Zap. Zap-zap-zzzap-p-pp-p. Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170713162538.22788-15-peda@axentia.se
* drm/doc: vblank cleanupDaniel Vetter2017-06-201-0/+3
| | | | | | | | | | | | | | | | | | | Unify and review everything, plus make sure it's all correct markup. Drop the kernel-doc for internal functions. Also rework the overview section, it's become rather outdated. Unfortuantely the kernel-doc in drm_driver isn't rendered yet, but that will change as soon as drm_driver is kernel-docified properly. Also document properly that drm_vblank_cleanup is optional, the core calls this already. v2: Make it clear that cleanup happens in drm_dev_fini for drivers with their own ->release callback (Thierry). Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-11-daniel.vetter@ffwll.ch
* drm: better document how to send out the crtc disable eventDaniel Vetter2017-05-311-1/+3
| | | | | | | | | | | The kernel doc explained what needs to happen, but not how to most easily accomplish that using the functions. Fix that. Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-14-daniel.vetter@ffwll.ch
* drm/doc: Document adjusted/request modes a bit betterDaniel Vetter2017-05-231-3/+25
| | | | | | | | | | | | | | | Laurent started a massive discussion on IRC about this. Let's try to document common usage a bit better. v2: Cross-links+typos. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jose Abreu <Jose.Abreu@synopsys.com> Reviewed-by: Jose Abreu <joabreu@synopsys.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170515091136.26307-1-daniel.vetter@ffwll.ch
* drm/doc: Interlink color manager docs betterDaniel Vetter2017-04-181-6/+28
| | | | | | | | | | | | Motivated by a request from Eric. v2: Take in suggestions from Lionel Cc: Eric Anholt <eric@anholt.net> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170412152006.12233-1-daniel.vetter@ffwll.ch
* drm: Add acquire ctx to ->gamma_set hookDaniel Vetter2017-04-061-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Atomic helpers really want this instead of the hacked-up legacy backoff trick, which unfortunately prevents drivers from using their own private drm_modeset_locks. Aside: There's a few atomic drivers (nv50, vc4, soon vmwgfx) which don't yet use the new atomic color mgmt/gamma table stuff. Would be nice if they could switch over and just hook up drm_atomic_helper_legacy_gamma_set() instead. Cc: Dave Airlie <airlied@redhat.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Sinclair Yeh <syeh@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Eric Anholt <eric@anholt.net> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-13-daniel.vetter@ffwll.ch
* drm: Remove drm_modeset_legacy_acquire_ctx and crtc->acquire_ctxDaniel Vetter2017-04-051-9/+0
| | | | | | | | | | | | | With all the callers of drm_modeset_lock_crtc gone, and all the places it was formerly used properly wiring the acquire ctx through, we can remove this. The only hidden context magic we still have is now the global one. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-4-daniel.vetter@ffwll.ch
* drm: Add acquire ctx parameter to ->set_configDaniel Vetter2017-03-291-1/+2
| | | | | | | | | | | | | | | | | Surprisingly a lot of legacy drivers roll their own, for runtime pm and because vmwgfx. Also make nouveau's set_config static while at it. Cc: Sinclair Yeh <syeh@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-19-daniel.vetter@ffwll.ch
* drm: Add acquire ctx parameter to ->page_flip(_target)Daniel Vetter2017-03-291-2/+4
| | | | | | | | | | | | | | | Again just going through the motions, no functional changes in here. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Eric Anholt <eric@anholt.net> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>t Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-12-daniel.vetter@ffwll.ch
* drm: Document kms locking a bit betterDaniel Vetter2017-03-291-2/+12
| | | | | | | | | | | | | | | | The rules are getting real hard, better to dump my brain into text a bit. This is by far not complete, but I think I reasonable start at least. Some of the older kms structures would need a full doc review anyway ... Cc: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170328155349.5972-2-daniel.vetter@ffwll.ch
* drm: document driver interface for CRC capturingDaniel Vetter2017-03-241-1/+4
| | | | | | | | | | | | This was missed in Tomeu's patch. Also remove the kerneldoc for the internal function, we don't document that in general. While at it word-smith the docs slightly for more clarity. Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-4-daniel.vetter@ffwll.ch
* drm/doc: document fallback behaviour for atomic eventsDaniel Vetter2017-03-091-0/+6
| | | | | | | | | | | | | | | | Worst case if the hw can't support completion signalling in a race-free way we want the event to be too late, not too early. Text adapted from a proposal from Laurent - the other side of how to make hw work correctly where it's possible is imo already sufficiently documented. v2: Review from Laurent. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170308141257.12119-7-daniel.vetter@ffwll.ch
* drm: Fix compilation error when CONFIG_DEBUG_FS is undefinedSean Paul2017-03-071-1/+1
| | | | | | | | | | | | | | | | | | | | This patch fixes the following compilation error when CONFIG_DEBUG_FS is not defined. ../drivers/gpu/drm/drm_dp_helper.c: In function ‘drm_dp_aux_crc_work’: ../drivers/gpu/drm/drm_dp_helper.c:1029:13: error: ‘struct drm_crtc’ has no member named ‘crc’ ../drivers/gpu/drm/drm_dp_helper.c:1031:12: error: ‘struct drm_crtc’ has no member named ‘crc’ make[4]: *** [drivers/gpu/drm/drm_dp_helper.o] Error 1 make[4]: *** Waiting for unfinished jobs.... Fixes: 79c1da7c3bf7 ("drm/dp: add helpers for capture of frame CRCs") Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: David Airlie <airlied@linux.ie> Cc: dri-devel@lists.freedesktop.org Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Sean Paul <seanpaul@chromium.org>
* drm: add vblank hooks to struct drm_crtc_funcsShawn Guo2017-02-071-0/+44
| | | | | | | | | | | | | | | | | | | | The vblank is mostly CRTC specific and implemented as part of CRTC driver. Let's keep the vblank hooks struct drm_driver for legacy drivers, and add corresponding hooks in struct drm_crtc_funcs. These hooks take struct drm_crtc pointer as argument, and will be called by core vblank handling code for DRIVER_MODESET drivers. The new hooks get plugged into core by adding wrapper functions for vblank handling code. The .get_vblank_counter hook is effectively optional, as we provide drm_vblank_no_hw_counter() as the default fallback in the wrapper function. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Acked-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1486458995-31018-2-git-send-email-shawnguo@kernel.org
* drm/atomic: Save flip flags in drm_crtc_stateAndrey Grodzovsky2017-02-031-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | Allows using atomic flip helpers for drivers using ASYNC flip. Remove ASYNC_FLIP restriction in helpers and caches the page flip flags in drm_crtc_state to be used in the low level drivers. v2: Resending the patch since the original was broken. v3: Save flag in crtc_state instead of plane_state v4: Reset the flag before using again. v5: Fix type in header. Rename the field to pageflip_flags. Remove unrelated hunk. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/1486072591-3893-2-git-send-email-Andrey.Grodzovsky@amd.com
* drm/doc: Fix typos for early_unregister docDaniel Vetter2017-01-261-1/+1
| | | | | | | | | | There's no late_unregister. While at it switch to the new canonical reference style. Cc: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-14-daniel.vetter@ffwll.ch
* drm: s/drm_crtc_get_hv_timings/drm_mode_get_hv_timings/Daniel Vetter2017-01-261-2/+0
| | | | | | | | | The function operates on modes, not CRTCs. Also move it into drm_modes.[hc]. Spotted while reviewing CRTC docs. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-15-daniel.vetter@ffwll.ch
* drm: Update kerneldoc for drm_crtc.[hc]Daniel Vetter2017-01-251-6/+19
| | | | | | | | | | | | | After going through all the trouble of splitting out parts from drm_crtc.[hc] and then properly documenting each I've entirely forgotten to show the same TLC for CRTCs themselves! Let's make amends asap. v2: Review from Eric. Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
* drm/kms-core: Use recommened kerneldoc for struct member refsDaniel Vetter2017-01-251-15/+16
| | | | | | | | | | | | | | | | | | I just learned that &struct_name.member_name works and looks pretty even. It doesn't (yet) link to the member directly though, which would be really good for big structures or vfunc tables (where the per-member kerneldoc tends to be long). Also some minor drive-by polish where it makes sense, I read a lot of docs ... v2: Review from Eric. Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-4-daniel.vetter@ffwll.ch
* drm/atomic: Add target_vblank support in atomic helpers (v2)Andrey Grodzovsky2017-01-121-0/+9
| | | | | | | | | | | | | | | Allows usage of the new page_flip_target hook for drivers implementing the atomic path. Provides default atomic helper for the new hook. v2: Update code sharing logic between exsiting and the new flip hooks. Improve kerneldoc. Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1483735180-4173-1-git-send-email-Andrey.Grodzovsky@amd.com
* drm: Nuke connector_list locking assertDaniel Vetter2016-12-301-14/+0
| | | | | | | | | | | I've forgotten to remove this when revamping the connector_list locking. Cc: seanpaul@chromium.org Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1483044517-5770-7-git-send-email-daniel.vetter@ffwll.ch
* drm/doc: use preferred struct reference in kernel-docDaniel Vetter2016-12-301-4/+4
| | | | | | | | | | | | | | | sed -e 's/\( \* .*\)struct &\([_a-z]*\)/\1\&struct \2/' -i Originally I wasnt a friend of this style because I thought a line-break between the "&struct" and "foo" part would break it. But a quick test shows that " * &struct \n * foo\n" works pefectly well with current kernel-doc. So time to mass-apply these changes! Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1483044517-5770-6-git-send-email-daniel.vetter@ffwll.ch
* drm: add crtc helper drm_crtc_from_index()Shawn Guo2016-12-301-0/+1
| | | | | | | | | It adds a crtc helper drm_crtc_from_index() to find the registered CRTC with a given index, just like drm_plane_from_index(). Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1483015290-16660-2-git-send-email-shawnguo@kernel.org
* drm/atomic: Clean up wait_for_vblanks, v2.Maarten Lankhorst2016-12-191-5/+0
| | | | | | | | | | | | | | | Stop relying on a per crtc_state last_vblank_count, we shouldn't touch crtc_state after commit. Move it to atomic_state->crtcs. Also stop re-using new_crtc_state->enable, we can now simply set a bitmask with crtc_crtc_mask. Changes since v1: - Keep last_vblank_count in __drm_crtc_state. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/8e4759a4-24d3-3f80-bd1a-1e7a9c83b612@linux.intel.com
* drm: Don't include <drm/drm_encoder.h> in <drm/drm_crtc.h>Laurent Pinchart2016-12-181-3/+0
| | | | | | | | | | | | | | | | | | | | | | | <drm/drm_crtc.h> used to define most of the in-kernel KMS API. It has now been split into separate files for each object type, but still includes most other KMS headers to avoid breaking driver compilation. As a step towards fixing that problem, remove the inclusion of <drm/drm_encoder.h> from <drm/drm_crtc.h> and include it instead where appropriate. Also remove the forward declarations of the drm_encoder and drm_encoder_helper_funcs structures from <drm/drm_crtc.h> as they're not needed in the header. <drm/drm_encoder.h> now has to include <drm/drm_mode.h> and contain a forward declaration of struct drm_encoder in order to allow including it as the first header in a compilation unit. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sinclair Yeh <syeh@vmware.com> # For vmwgfx Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: http://patchwork.freedesktop.org/patch/msgid/1481709550-29226-2-git-send-email-laurent.pinchart+renesas@ideasonboard.com
* drm/fence: add fence timeline to drm_crtcGustavo Padovan2016-11-161-0/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Create one timeline context for each CRTC to be able to handle out-fences and signal them. It adds a few members to struct drm_crtc: fence_context, where we store the context we get from fence_context_alloc(), the fence seqno and the fence lock, that we pass in fence_init() to be used by the fence. v2: Comment by Daniel Stone: - add BUG_ON() to fence_to_crtc() macro v3: Comment by Ville Syrjälä - Use more meaningful name as crtc timeline name v4: Comments by Brian Starkey - Use even more meaninful name for the crtc timeline - add doc for timeline_name Comment by Daniel Vetter - use in-line style for comments - rebase after fence -> dma_fence rename v5: Comment by Daniel Vetter - Add doc for drm_crtc_fence_ops v6: Comment by Chris Wilson - Move fence_to_crtc to drm_crtc.c - Move export of drm_crtc_fence_ops to drm_crtc_internal.h - rebase against latest drm-misc Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v5) Reviewed-by: Sean Paul <seanpaul@chromium.org> (v5) Tested-by: Robert Foss <robert.foss@collabora.com> (v5) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1479220628-10204-1-git-send-email-gustavo@padovan.org
* drm: Drop externs from drm_crtc.hDaniel Vetter2016-11-151-7/+7
| | | | | | | | Just noise. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161114115825.22050-11-daniel.vetter@ffwll.ch
* drm: Move tile group code into drm_connector.cDaniel Vetter2016-11-151-15/+0
| | | | | | | | | | | | And also put the overview section into the KMS Properties part of the docs, instead of randomly-placed within the helpers - this is part of the uabi. With this patch I think drm_crtc.[hc] is cleaned up and entirely documented. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
* drm: Extract drm_mode_config.[hc]Daniel Vetter2016-11-151-615/+1
| | | | | | | | | | | | | And shuffle the kernel-doc structure a bit since drm_crtc.[hc] now only contains CRTC-related functions and structures. v2: - rebase onto drm-misc - don't forget to move drm_mode_config_cleanup. - move 2 internal decls under the right heading (Chris) Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
* drm/atomic: add new drm_debug bit to dump atomic stateRob Clark2016-11-081-0/+13
| | | | | | | | | | | The contents of drm_{plane,crtc,connector}_state is dumped before commit. If a driver extends any of the state structs, it can implement the corresponding funcs->atomic_print_state() to add it's own driver specific state. Signed-off-by: Rob Clark <robdclark@gmail.com> [seanpaul resolved conflict in drm_plane.h] Signed-off-by: Sean Paul <seanpaul@chromium.org>
* dma-buf: Rename struct fence to dma_fenceChris Wilson2016-10-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I plan to usurp the short name of struct fence for a core kernel struct, and so I need to rename the specialised fence/timeline for DMA operations to make room. A consensus was reached in https://lists.freedesktop.org/archives/dri-devel/2016-July/113083.html that making clear this fence applies to DMA operations was a good thing. Since then the patch has grown a bit as usage increases, so hopefully it remains a good thing! (v2...: rebase, rerun spatch) v3: Compile on msm, spotted a manual fixup that I broke. v4: Try again for msm, sorry Daniel coccinelle script: @@ @@ - struct fence + struct dma_fence @@ @@ - struct fence_ops + struct dma_fence_ops @@ @@ - struct fence_cb + struct dma_fence_cb @@ @@ - struct fence_array + struct dma_fence_array @@ @@ - enum fence_flag_bits + enum dma_fence_flag_bits @@ @@ ( - fence_init + dma_fence_init | - fence_release + dma_fence_release | - fence_free + dma_fence_free | - fence_get + dma_fence_get | - fence_get_rcu + dma_fence_get_rcu | - fence_put + dma_fence_put | - fence_signal + dma_fence_signal | - fence_signal_locked + dma_fence_signal_locked | - fence_default_wait + dma_fence_default_wait | - fence_add_callback + dma_fence_add_callback | - fence_remove_callback + dma_fence_remove_callback | - fence_enable_sw_signaling + dma_fence_enable_sw_signaling | - fence_is_signaled_locked + dma_fence_is_signaled_locked | - fence_is_signaled + dma_fence_is_signaled | - fence_is_later + dma_fence_is_later | - fence_later + dma_fence_later | - fence_wait_timeout + dma_fence_wait_timeout | - fence_wait_any_timeout + dma_fence_wait_any_timeout | - fence_wait + dma_fence_wait | - fence_context_alloc + dma_fence_context_alloc | - fence_array_create + dma_fence_array_create | - to_fence_array + to_dma_fence_array | - fence_is_array + dma_fence_is_array | - trace_fence_emit + trace_dma_fence_emit | - FENCE_TRACE + DMA_FENCE_TRACE | - FENCE_WARN + DMA_FENCE_WARN | - FENCE_ERR + DMA_FENCE_ERR ) ( ... ) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161025120045.28839-1-chris@chris-wilson.co.uk
* drm: RIP mode_config->rotation_propertyVille Syrjälä2016-10-221-5/+0
| | | | | | | | | | | | | Now that all drivers have been converted over to the per-plane rotation property, we can just nuke the global rotation property. v2: Rebase due to BIT(),__builtin_ffs() & co. Deal with superfluous code shuffling Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1477077768-4274-4-git-send-email-ville.syrjala@linux.intel.com
* drm: Add API for capturing frame CRCsTomeu Vizoso2016-10-171-0/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds files and directories to debugfs for controlling and reading frame CRCs, per CRTC: dri/0/crtc-0/crc dri/0/crtc-0/crc/control dri/0/crtc-0/crc/data Drivers can implement the set_crc_source callback() in drm_crtc_funcs to start and stop generating frame CRCs and can add entries to the output by calling drm_crtc_add_crc_entry. v2: - Lots of good fixes suggested by Thierry. - Added documentation. - Changed the debugfs layout. - Moved to allocate the entries circular queue once when frame generation gets enabled for the first time. v3: - Use the control file just to select the source, and start and stop capture when the data file is opened and closed, respectively. - Make variable the number of CRC values per entry, per source. - Allocate entries queue each time we start capturing as now there isn't a fixed number of CRC values per entry. - Store the frame counter in the data file as a 8-digit hex number. - For sources that cannot provide useful frame numbers, place XXXXXXXX in the frame field. v4: - Build only if CONFIG_DEBUG_FS is enabled. - Use memdup_user_nul. - Consolidate calculation of the size of an entry in a helper. - Add 0x prefix to hex numbers in the data file. - Remove unnecessary snprintf and strlen usage in read callback. v5: - Made the crcs array in drm_crtc_crc_entry fixed-size - Lots of other smaller improvements suggested by Emil Velikov v7: - Move definition of drm_debugfs_crtc_crc_add to drm_internal.h v8: - Call debugfs_remove_recursive when we fail to create the minor device v9: - Register the debugfs directory for a crtc from drm_crtc_register_all() v10: - Don't let debugfs failures interrupt CRTC registration (Emil Velikov) v11: - Remove extra brace that broke compilation. Sorry! Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1475767268-14379-3-git-send-email-tomeu.vizoso@collabora.com
* drm/crtc: constify drm_crtc_mask parameterMaarten Lankhorst2016-10-171-1/+1
| | | | | | | | | Now that drm_crtc_index takes a const, the same can be done for drm_crtc_mask. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/6e32d013-6fee-34ad-f8d2-59139f3dc4c1@linux.intel.com
* drm: atomic: Clarify documentation around drm_atomic_crtc_needs_modesetBrian Starkey2016-10-171-0/+5
| | | | | | | | | | | | Add some additional comments to more explicitly describe the meaning and usage of the three CRTC modeset detection booleans: mode_changed, connectors_changed and active_changed. Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Brian Starkey <brian.starkey@arm.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1476352028-16701-1-git-send-email-brian.starkey@arm.com
* drm/crtc: constify drm_crtc_index parameterJani Nikula2016-10-101-1/+1
| | | | | | Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1476113170-13816-1-git-send-email-jani.nikula@intel.com
* drm: Document caveats around atomic event handlingDaniel Vetter2016-10-041-13/+43
| | | | | | | | | | | | | | | | | | | It's not that obvious how a driver can all race the atomic commit with handling the completion event. And there's unfortunately a pile of drivers with rather bad event handling which misdirect people into the wrong direction. Try to remedy this by documenting everything better. v2: Type fixes Alex spotted. v3: More typos Alex spotted. Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Alex Deucher <alexdeucher@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1475229896-6047-1-git-send-email-daniel.vetter@ffwll.ch
* drm: Extract drm_color_mgmt.[hc]Daniel Vetter2016-09-221-27/+1
| | | | | | | | | | | For both the new degamm/lut/gamma atomic combo, and the old legacy gamma tables. Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1474448370-32227-5-git-send-email-daniel.vetter@ffwll.ch
* drm: Conslidate blending properties in drm_blend.[hc]Daniel Vetter2016-09-221-26/+1
| | | | | | | | | | | | | Imo zpos, rotatation, blending eq (once we have it) and all that should be in drm_blend.c, since those are all about how exactly the pixels are rendered onto the CRTC's visible area. Also noticed that one exported function accidentally ended up in drm_crtc_internal.h, move it to the right place too. Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1474448370-32227-3-git-send-email-daniel.vetter@ffwll.ch
* drm: Extract drm_plane.[hc]Daniel Vetter2016-09-221-582/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just pure code movement, cleanup and polish will happen in later patches. v2: Don't forget all the ioctl! To extract those cleanly I decided to put check_src_coords into drm_framebuffer.c (and give it a drm_framebuffer_ prefix), since that just checks framebuffer constraints. v3: rebase over PAGE_FLIP_TARGET. Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> [seanpaul] This patch as posted on the list was rebased on: commit 6f00975c619064a18c23fd3aced325ae165a73b9 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sat Aug 20 12:22:11 2016 +0200 drm: Reject page_flip for !DRIVER_MODESET so as a result of moving the page_flip ioctl, this fix has been rolled into this patch. Signed-off-by: Sean Paul <seanpaul@chromium.org>
* drm: Move all decl for drm_edid.c to drm_edid.hDaniel Vetter2016-09-191-29/+1
| | | | | | | | | Some were still left in drm_crtc.h. Also include drm_edid.h in the rst files. Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160831160913.12991-4-daniel.vetter@ffwll.ch
* drm: Extract drm_bridge.hDaniel Vetter2016-09-191-186/+1
| | | | | | | | | We don't want to burry the bridge structures kerneldoc in drm_crtc.h. Cc: Archit Taneja <archit.taneja@gmail.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160831160913.12991-3-daniel.vetter@ffwll.ch
* drm: Move a few macros away from drm_crtc.hDaniel Vetter2016-09-191-32/+0
| | | | | | | | | Now that there's less stuff in there I noticed that I overlooked them. Sprinkle some docs over them while at it. Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160831160913.12991-2-daniel.vetter@ffwll.ch
* Merge tag 'topic/drm-misc-2016-08-31' of ↵Dave Airlie2016-08-311-234/+28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/drm-intel into drm-next More -misc stuff - moar drm_crtc.c split up&documentation - some fixes for the simple kms helpers (Andrea) - I included all the dri1 patches from David - we're not removing any code or drivers, and it seems to have worked as a wake-up call to motivate a few more people to upstream kms conversions for these. Feel free to revert if you disagree strongly. - a few other single patches * tag 'topic/drm-misc-2016-08-31' of git://anongit.freedesktop.org/drm-intel: (24 commits) drm: drm_probe_helper: Fix output_poll_work scheduling drm: bridge/dw-hdmi: Fix colorspace and scan information registers values drm/doc: Polish docs for drm_property&drm_property_blob drm: Unify handling of blob and object properties drm: Extract drm_property.[hc] drm: move drm_mode_legacy_fb_format to drm_fourcc.c drm/doc: Polish docs for drm_mode_object drm: Remove drm_mode_object->atomic_count drm: Extract drm_mode_object.[hc] drm/doc: Polish kerneldoc for encoders drm: Extract drm_encoder.[hc] drm/fb-helper: don't call remove_conflicting_framebuffers for FB=m && DRM=y drm/atomic-helper: Add NO_DISABLE_AFTER_MODESET flag support for plane commit drm/atomic-helper: Disable appropriate planes in disable_planes_on_crtc() drm/atomic-helper: Add atomic_disable CRTC helper callback drm: simple_kms_helper: add support for bridges drm: simple_kms_helper: make connector optional at init time drm/bridge: introduce bridge detaching mechanism drm/simple-helpers: Always add planes to the state update drm: reduce GETCLIENT to a minimum ...
| * drm: Extract drm_property.[hc]Daniel Vetter2016-08-291-87/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This just contains the base property classes and all the code to handle blobs. I think for any kind of standardized/shared properties it's better to have separate files - this is fairly big already as-is. v2: resurrect misplaced hunk (Daniel Stone) Cc: Daniel Stone <daniel@fooishbar.org> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160829082757.17913-7-daniel.vetter@ffwll.ch
| * drm: move drm_mode_legacy_fb_format to drm_fourcc.cDaniel Vetter2016-08-291-2/+0
| | | | | | | | | | | | | | | | | | | | It's part of the drm fourcc handling code, mapping the old depth/bpp values to new fourcc codes. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160829082757.17913-6-daniel.vetter@ffwll.ch
| * drm: Extract drm_mode_object.[hc]Daniel Vetter2016-08-291-11/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just for the struct drm_mode_object base class. The header file was already partially extracted to help untangle the include loops. v2: - Also move the generic get/set property ioctls. At first this seemed like a bad idea since it requires making drm_mode_crtc_set_obj_prop non-static. But eventually that will get split away too (like the connector version already is) for both crtc and planes. Hence I reconsidered. - drm_mode_object.[hc] instead of drm_modeset.[hc], which requires renaming the drm_modeset.h header I already started building up. This is more consistent (matches the name of the main structure), and I want to be able to use drm_modeset.[hc] for the basic modeset init/cleanup functionality like drm_mode_config_init. Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160829082757.17913-3-daniel.vetter@ffwll.ch
| * drm: Extract drm_encoder.[hc]Daniel Vetter2016-08-291-133/+1
| | | | | | | | | | | | | | | | | | | | | | Same treatment as before. Only hiccup is drm_crtc_mask, which unfortunately can't be resolved until drm_crtc.h is less of a monster. Untangle the header loop with a forward declaration for that static inline. Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160829082757.17913-1-daniel.vetter@ffwll.ch
| * drm/bridge: introduce bridge detaching mechanismAndrea Merello2016-08-291-1/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Up to now, once a bridge has been attached to a DRM device, it cannot be undone. In particular you couldn't rmmod/insmod a DRM driver that uses a bridge, because the bridge would remain bound to the first (dead) driver instance. This patch fixes this by introducing drm_encoder_detach() and a ->detach callback in drm_bridge_funcs for the bridge to be notified about detaches. It's DRM/KMS driver responsibility to call drm_encoder_detach(). While adding the bridge detach callback, with its kerneldoc, I also added kerneldoc for attach callback. Few other kerneldocs fixes around there are included. Suggested-by: Daniel Vetter <daniel@ffwll.ch> Suggested-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: http://patchwork.freedesktop.org/patch/msgid/1472115874-6219-1-git-send-email-andrea.merello@gmail.com
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