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2019-06-21drm/i915/gt: Fixup kerneldoc parametersChris Wilson4-5/+6
drivers/gpu/drm/i915/gt/intel_mocs.c:513: warning: Function parameter or member 'gt' not described in 'intel_mocs_init_l3cc_table' drivers/gpu/drm/i915/gt/intel_mocs.c:513: warning: Excess function parameter 'dev_priv' description in 'intel_mocs_init_l3cc_table' intel_vgt_balloon/deballoon, i915_ggtt_probe_hw intel_wopcm_init_hw need similar treatment Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621131640.28864-2-chris@chris-wilson.co.uk
2019-06-21drm/i915/gt: Rename i915_gt_timelinesChris Wilson3-10/+10
Since the anonymous i915_gt became struct intel_gt and encloses struct i915_gt_timelines, rename i915_gt_timelines to intel_gt_timelines to match its parentage. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621131640.28864-1-chris@chris-wilson.co.uk
2019-06-21drm/i915: Prevent dereference of engine before NULL check in error captureChris Wilson1-2/+1
smatch caught, drivers/gpu/drm/i915/i915_gpu_error.c:1418 gem_record_rings() warn: variable dereferenced before check 'engine' (see line 1413) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621135246.20683-1-chris@chris-wilson.co.uk
2019-06-21drm/amdgpu: enable the static csa when mcbp enabledJack Xiao4-9/+11
CSA is the Context Save Area for preemption. Acked-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21drm/amdgpu: add mcbp driver parameterJack Xiao3-0/+9
Add mcbp driver parameter, so that mcbp feature can be enabled/disabled by driver parameter. Acked-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21drm/amdgpu: Add new ring interface preempt_ibRex Zhu1-0/+2
Used to trigger preemtption Acked-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21drm/amdgpu: add the trailing fence per ringJack Xiao3-5/+27
The trailing fence for ring is used to track the completion of preemption. Acked-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21drm/amdgpu: Add helper function amdgpu_ring_set_preempt_cond_execRex Zhu1-0/+6
can preempt the ring by setting cond_exec to false Acked-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21drm/amdgpu: enable virtual display feature for navi10Le.Ma1-0/+1
Virtual display is a pure sw implementation of KMS for use in virtualization and for bring up and emulation. Signed-off-by: Le.Ma <Le.Ma@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21drm/i915: Eliminate dual personality of i915_scratch_offsetTvrtko Ursulin8-52/+75
Scratch vma lives under gt but the API used to work on i915. Make this consistent by renaming the function to intel_gt_scratch_offset and make it take struct intel_gt. v2: * Move to intel_gt. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-33-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Rename i915_timeline to intel_timeline and move under gtTvrtko Ursulin27-280/+279
Move all timeline code under gt and rename to intel_gt prefix. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-32-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Make timelines gt centricTvrtko Ursulin10-41/+38
Our timelines are stored inside intel_gt so we can convert the interface to take exactly that and not i915. At the same time re-order the params to our more typical layout and replace the backpointer to the new containing structure. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-31-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Save trip via top-level i915 in a few more placesTvrtko Ursulin11-18/+16
For gt related operations it makes more logical sense to stay in the realm of gt instead of dereferencing via driver i915. This patch handles a few of the easy ones with work requiring more refactoring still outstanding. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-30-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Compartmentalize ring buffer creationTvrtko Ursulin1-7/+8
Continuing on the theme of compartmentalizing the code better to make future split between gt and display in global i915 clearer. v2: * Pass in ggtt instead of gt. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-29-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Store ggtt pointer in intel_gtTvrtko Ursulin5-0/+12
This will become useful in the following patch. v2: * Assign the pointer through a helper on the top level to work around the layering violation. (Chris) v3: * Handle selftests. v4: * Move call to intel_gt_init_hw into mock_init_ggtt. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-28-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Compartmentalize i915_gem_init_ggttTvrtko Ursulin3-15/+29
Continuing on the theme of better logical organization of our code, make the first step towards making the ggtt code better isolated from wider struct drm_i915_private. v2: * Bring the ickle onion unwind back. (Chris) * Rename to i915_init_ggtt. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-27-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Compartmentalize i915_ggtt_cleanup_hwTvrtko Ursulin1-24/+31
Continuing on the theme of better logical organization of our code, make the first step towards making the ggtt code better isolated from wider struct drm_i915_private. v2: * Cleanup of mm.wc_stash does not need struct_mutex. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-26-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Compartmentalize timeline_init/park/finiTvrtko Ursulin1-26/+41
Continuing on the theme of better logical organization of our code, make the first step towards making the timeline code better isolated from wider struct drm_i915_private. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-25-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Move i915_gem_chipset_flush to intel_gtTvrtko Ursulin12-26/+46
This aligns better with the rest of restructuring. v2: * Move call out of line. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-24-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert i915_gem_flush_ggtt_writes to intel_gtTvrtko Ursulin8-48/+52
Having introduced struct intel_gt (named the anonymous structure in i915) we can start using it to compartmentalize our code better. It makes more sense logically to have the code internally like this and it will also help with future split between gt and display in i915. v2: * Keep ggtt flush before fb obj flush. (Chris) v3: * Fix refactoring fail. * Always flush ggtt writes. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-23-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Compartmentalize i915_gem_suspend/restore_gtt_mappingsTvrtko Ursulin1-10/+19
Having made start to better code compartmentalization by introducing struct intel_gt, continue the theme elsewhere in code by making functions take parameters take what logically makes most sense for them instead of the global struct drm_i915_private. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-22-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Store intel_gt backpointer in vmTvrtko Ursulin3-6/+12
This will come useful in the following patch. v2: * Handle mock ggtt. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-21-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Make ggtt invalidation work on ggttTvrtko Ursulin2-27/+26
It is more logical for ggtt invalidation to take ggtt as input parameter. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-20-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Compartmentalize i915_ggtt_init_hwTvrtko Ursulin1-22/+42
Having made start to better code compartmentalization by introducing struct intel_gt, continue the theme elsewhere in code by making functions take parameters take what logically makes most sense for them instead of the global struct drm_i915_private. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-19-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Compartmentalize i915_ggtt_probe_hwTvrtko Ursulin1-10/+21
Having made start to better code compartmentalization by introducing struct intel_gt, continue the theme elsewhere in code by making functions take parameters take what logically makes most sense for them instead of the global struct drm_i915_private. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-18-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Stop using I915_READ/WRITE in intel_wopcm_init_hwTvrtko Ursulin3-16/+21
More legacy mmio accessor removal. We pass in intel_gt explicitly allowing code to use new intel_uncore_read/write helpers. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-17-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Move intel_engines_resume into common initTvrtko Ursulin1-7/+22
Since this part still operates on i915 and not intel_gt, move it to the common (top-level) function. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-16-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert i915_gem_init_hw to intel_gtTvrtko Ursulin1-26/+40
More removal of implicit dev_priv from using old mmio accessors. Actually the top level function remains but is split into a part which writes to i915 and part which operates on intel_gt in order to initialize the hardware. GuC and engines are the only odd ones out remaining. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-15-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Consolidate some open coded mmio rmwTvrtko Ursulin1-23/+18
Replace some gen6/7 open coded rmw with intel_uncore_rmw. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-14-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert i915_ppgtt_init_hw to intel_gtTvrtko Ursulin3-39/+67
More removal of implicit dev_priv from using old mmio accessors. v2: * Rebase for uncore_to_i915 removal. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-13-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert intel_mocs_init_l3cc_table to intel_gtTvrtko Ursulin3-22/+35
More removal of implicit dev_priv from using old mmio accessors. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-12-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Store backpointer to intel_gt in the engineTvrtko Ursulin4-0/+5
It will come useful in the next patch. v2: * Do mock_engine as well. v3: * And the virtual engine... Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-11-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert gt workarounds to intel_gtTvrtko Ursulin3-10/+10
More conversion of i915_gem_init_hw to uncore. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-10-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert init_unused_rings to intel_gtTvrtko Ursulin1-19/+23
More removal of implicit dev_priv from using old mmio accessors. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-9-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Use intel_uncore_rmw in intel_gt_init_swizzlingTvrtko Ursulin1-7/+2
Two easy opportunities to compact the code by using the existing helper. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Suggested-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-8-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert i915_gem_init_swizzling to intel_gtTvrtko Ursulin5-27/+43
Start using the newly introduced struct intel_gt to fuse together correct logical init flow with uncore for more removal of implicit dev_priv in mmio access. v2: * Move code to i915_gem_fence_reg. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-7-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Make i915_check_and_clear_faults take intel_gtTvrtko Ursulin7-130/+144
Continuing the conversion and elimination of implicit dev_priv. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Suggested-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-6-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Move intel_gt_pm_init under intel_gt_init_earlyTvrtko Ursulin5-7/+8
And also rename to intel_gt_pm_init_early and make it operate on gt. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-5-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Store some backpointers in struct intel_gtTvrtko Ursulin5-4/+17
We need an easy way to get back to i915 and uncore. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-4-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Move intel_gt initialization to a separate fileTvrtko Ursulin6-8/+33
As it will grow in a following patch make a new home for it. v2: * Convert mock_gem_device as well. (Chris) v3: * Rename to intel_gt_init_early and move call site to i915_drv.c. (Chris) v4: * Adjust SPDX tags. * No need to gt/ path when including intel_gt_types.h. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-3-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Introduce struct intel_gt as replacement for anonymous i915->gtTvrtko Ursulin2-32/+54
We have long been slighlty annoyed by the anonymous i915->gt. Promote it to a separate structure and give it its own header. This is a first step towards cleaning up the separation between i915 and gt. v2: * Adjust SPDX header. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-2-tvrtko.ursulin@linux.intel.com
2019-06-21drm/i915: Convert intel_vgt_(de)balloon to uncoreTvrtko Ursulin3-14/+18
More removal of implicit dev_priv from using old mmio accessors. Furthermore these calls really operate on ggtt so it logically makes sense if they take it as parameter. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-1-tvrtko.ursulin@linux.intel.com
2019-06-21drm/prime: Make DRIVER_PRIME a no-opDaniel Vetter1-8/+1
Drivers must fill out the handle_to_fd and fd_to_handle hooks to enable export/import prime functionality already. The additional DRIVER_PRIME flag doesn't serve any real purpose, since the overall flag doesn't even tell you whether import or export or maybe even both is supported. Ditch it. This patch just makes it defunct, subsequent patches will remove it from all the drivers. Note this changes the userspace visible errno in some situations from EOPNOTSUPP to ENOSYS. Userspace already needs to treat both as "no prime support", so this should break anything. v2: Improve commit message as suggested by Emil Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-6-daniel.vetter@ffwll.ch
2019-06-21drm/prime: Unconditionally set up the prime file privateDaniel Vetter2-8/+4
It's tiny, already embedded, and setup/teardown cost is trivial. Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-5-daniel.vetter@ffwll.ch
2019-06-21drm/prime: Update docsDaniel Vetter1-72/+117
Yes this is a bit a big patch, but since it's essentially a complete rewrite of all the prime docs I didn't see how to better split it up. Changes: - Consistently point to drm_gem_object_funcs as the preferred hooks, where applicable. - Document all the hooks in &drm_driver that lacked kerneldoc. - Completely new overview section, which now also includes the cleaned up lifetime/reference counting subchapter. I also mentioned the weak references in there due to the lookup caches. - Completely rewritten helper intro section, highlight the import/export related functionality. - Polish for all the functions and more cross references. I also sprinkled a bunch of todos all over. Most important: 0 code changes in here. The cleanup motivated by reading and improving all this will follow later on. v2: Actually update the prime helper docs. Plus add a few FIXMEs that I won't address right away in subsequent cleanup patches. v3: - Split out the function moving. This patch is now exclusively documentation changes. - Typos and nits (Sam). v4: Polish suggestions from Noralf. Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Noralf Trønnes <noralf@tronnes.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Noralf Trønnes <noralf@tronnes.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Eric Anholt <eric@anholt.net> Cc: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190620124615.24434-1-daniel.vetter@ffwll.ch
2019-06-21drm/prime: Shuffle functions.Daniel Vetter1-355/+355
Reorder all the functions in drm_prime.[hc] into three groups: core, export helpers, import helpers. Not other changes beyond moving the functions and their unchanged kerneldoc around in here. Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Eric Anholt <eric@anholt.net> Cc: Emil Velikov <emil.l.velikov@gmail.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190618092038.17929-1-daniel.vetter@ffwll.ch
2019-06-21drm/komeda: Make Komeda interrupts shareableAyan Halder1-7/+9
Komeda interrupts may be shared with other hardware blocks. One needs to use devm_request_irq() with IRQF_SHARED to create a shared interrupt handler. As a result of not using drm_irq_install() api, one needs to set "(struct drm_device *)->irq_enabled = true/false" to enable/disable vblank interrupts. Changes from v1:- 1. Squashed the following two patches into one (as the second patch is a consequence of the first one):- drm/komeda: Avoid using DRIVER_IRQ_SHARED drm/komeda: Enable/Disable vblank interrupts 2. Fixed the commit message (as pointed by Daniel Vetter) 3. Removed calls to 'drm_irq_uninstall()' as we are no longer using drm_irq_install() 4. Removed the struct member 'komeda_kms_driver.irq_handler' as it is not used anywhere. Signed-off-by: Ayan Halder <ayan.halder@arm.com> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
2019-06-21drm/komeda: fix 32-bit komeda_crtc_update_clock_ratioArnd Bergmann1-3/+2
clang points out a bug in the clock calculation on 32-bit, that leads to the clock_ratio always being zero: drivers/gpu/drm/arm/display/komeda/komeda_crtc.c:31:36: error: shift count >= width of type [-Werror,-Wshift-count-overflow] aclk = komeda_calc_aclk(kcrtc_st) << 32; Move the shift into the division to make it apply on a 64-bit variable. Also use the more expensive div64_u64() instead of div_u64() to account for pxlclk being a 64-bit integer. Fixes: 1f7f9ab7900e ("drm/komeda: Add engine clock requirement check for the downscaling") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
2019-06-21drm/sti: Remove duplicated include from sti_drv.cYueHaibing1-1/+0
Remove duplicated include. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190620150306.124839-1-yuehaibing@huawei.com
2019-06-21drm/i915/execlists: Keep virtual context alive until after we kickChris Wilson1-3/+3
The call to kick_siblings() dereferences the rq->context, so we should not drop our local reference until afterwards! v2: Stick to setting ce.inflight=NULL before kicking as this is what the other threads will check to see if the context is ready for takeover. Fixes: 22b7a426bbe1 ("drm/i915/execlists: Preempt-to-busy") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621080729.2652-1-chris@chris-wilson.co.uk
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