kernel/include/drm/drmP.h, branch linux-4.15.y

drm: Add new LEASE debug level

2017-10-25T06:31:29Z

Separate out lease debugging from the core. Signed-off-by: Keith Packard Signed-off-by: Dave Airlie

drm: Document device unplug infrastructure

2017-08-11T08:48:03Z

While at it, also ocd and give them a consistent drm_dev_ prefix, like the other device instance functionality. Plus move the functions into the right places. Reviewed-by: Alex Deucher Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20170802115604.12734-3-daniel.vetter@ffwll.ch

drm: Extract drm_device.h

2017-08-11T08:47:17Z

I need this to untangle an include loop in the next patch. Reviewed-by: Alex Deucher Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20170802115604.12734-2-daniel.vetter@ffwll.ch

drm/doc: vblank cleanup

2017-06-20T08:26:01Z

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 Also rework the overview section, it's become rather outdated.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 Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-11-daniel.vetter@ffwll.ch

drm/doc: Polish irq helper documentation

2017-06-01T06:02:14Z

Pull a (much shorter) overview into drm_irq.c, and instead put the callback documentation into in-line comments in drm_drv.h. v2: Move the include stanzas back to the split-up patch (Stefan). Cc: Stefan Agner Reviewed-by: Stefan Agner Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170531092253.12833-1-daniel.vetter@ffwll.ch

drm: Extract drm_vblank.[hc]

2017-06-01T06:02:14Z

drm_irq.c contains both the irq helper library (optional) and the vblank support (optional, but part of the modeset uapi, and doesn't require the use of the irq helpers at all. Split this up for more clarity of the scope of the individual bits. v2: Move misplaced hunks to this patch (Stefan). Cc: Stefan Agner Reviewed-by: Stefan Agner Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170531092146.12528-1-daniel.vetter@ffwll.ch

drm/doc: move printf helpers out of drmP.h

2017-05-31T07:59:41Z

And document them lightly. Unfortunately kernel-doc isn't the most awesome for documenting #defines that don't look like functions, it makes functions out of them :-/ Signed-off-by: Daniel Vetter Reviewed-by: Neil Armstrong Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-2-daniel.vetter@ffwll.ch Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-3-daniel.vetter@ffwll.ch

drm: Remove drm_device->virtdev

2017-05-29T18:57:25Z

This is a leftover from the drm_bus days, where we've had a bus-specific device type for every bus type in drm_device. Except for pci (which we can't remove because dri1 drivers) this is all gone. And the virt driver also doesn't really need it, dev_to_virtio works perfectly fine. Cc: David Airlie Cc: Gerd Hoffmann Cc: virtualization@lists.linux-foundation.org Reviewed-by: Gerd Hoffmann Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-3-daniel.vetter@ffwll.ch

drm: drop drm_[cm]alloc* helpers

2017-05-18T15:22:39Z

Now that drm_[cm]alloc* helpers are simple one line wrappers around kvmalloc_array and drm_free_large is just kvfree alias we can drop them and replace by their native forms. This shouldn't introduce any functional change. Changes since v1 - fix typo in drivers/gpu//drm/etnaviv/etnaviv_gem.c - noticed by 0day build robot Suggested-by: Daniel Vetter Signed-off-by: Michal Hocko drm: drop drm_[cm]alloc* helpers [danvet: Fixup vgem which grew another user very recently.] Signed-off-by: Daniel Vetter Acked-by: Christian König Link: http://patchwork.freedesktop.org/patch/msgid/20170517122312.GK18247@dhcp22.suse.cz

drm/vblank: drop the mode argument from drm_calc_vbltimestamp_from_scanoutpos

2017-05-10T08:21:31Z

If we restrict this helper to only kms drivers (which is the case) we can look up the correct mode easily ourselves. But it's a bit tricky: - All legacy drivers look at crtc->hwmode. But that is updated already at the beginning of the modeset helper, which means when we disable a pipe. Hence the final timestamps might be a bit off. But since this is an existing bug I'm not going to change it, but just try to be bug-for-bug compatible with the current code. This only applies to radeon&amdgpu. - i915 tries to get it perfect by updating crtc->hwmode when the pipe is off (i.e. vblank->enabled = false). - All other atomic drivers look at crtc->state->adjusted_mode. Those that look at state->requested_mode simply don't adjust their mode, so it's the same. That has two problems: Accessing crtc->state from interrupt handling code is unsafe, and it's updated before we shut down the pipe. For nonblocking modesets it's even worse. For atomic drivers try to implement what i915 does. To do that we add a new hwmode field to the vblank structure, and update it from drm_calc_timestamping_constants(). For atomic drivers that's called from the right spot by the helper library already, so all fine. But for safety let's enforce that. For legacy driver this function is only called at the end (oh the fun), which is broken, so again let's not bother and just stay bug-for-bug compatible. The benefit is that we can use drm_calc_vbltimestamp_from_scanoutpos directly to implement ->get_vblank_timestamp in every driver, deleting a lot of code. v2: Completely new approach, trying to mimick the i915 solution. v3: Fixup kerneldoc. v4: Drop the WARN_ON to check that the vblank is off, atomic helpers currently unconditionally call this. Recomputing the same stuff should be harmless. v5: Fix typos and move misplaced hunks to the right patches (Neil). v6: Undo hunk movement (kbuild). Cc: Mario Kleiner Cc: Eric Anholt Cc: Rob Clark Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: Alex Deucher Cc: Christian König Cc: Ben Skeggs Reviewed-by: Neil Armstrong Acked-by: Ville Syrjälä Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170509140329.24114-4-daniel.vetter@ffwll.ch