forked from Minki/linux
f3ba91228e
This adds the initial driver for panfrost which supports Arm Mali Midgard and Bifrost family of GPUs. Currently, only the T860 and T760 Midgard GPUs have been tested. v2: - Add GPU reset on job hangs (Tomeu) - Add RuntimePM and devfreq support (Tomeu) - Fix T760 support (Tomeu) - Add a TODO file (Rob, Tomeu) - Support multiple in fences (Tomeu) - Drop support for shared fences (Tomeu) - Fill in MMU de-init (Rob) - Move register definitions back to single header (Rob) - Clean-up hardcoded job submit todos (Rob) - Implement feature setup based on features/issues (Rob) - Add remaining Midgard DT compatible strings (Rob) v3: - Add support for reset lines (Neil) - Add a MAINTAINERS entry (Rob) - Call dma_set_mask_and_coherent (Rob) - Do MMU invalidate on map and unmap. Restructure to do a single operation per map/unmap call. (Rob) - Add a missing explicit padding to struct drm_panfrost_create_bo (Rob) - Fix 0-day error: "panfrost_devfreq.c:151:9-16: ERROR: PTR_ERR applied after initialization to constant on line 150" - Drop HW_FEATURE_AARCH64_MMU conditional (Rob) - s/DRM_PANFROST_PARAM_GPU_ID/DRM_PANFROST_PARAM_GPU_PROD_ID/ (Rob) - Check drm_gem_shmem_prime_import_sg_table() error code (Rob) - Re-order power on sequence (Rob) - Move panfrost_acquire_object_fences() before scheduling job (Rob) - Add NULL checks on array pointers in job clean-up (Rob) - Rework devfreq (Tomeu) - Fix devfreq init with no regulator (Rob) - Various WS and comments clean-up (Rob) Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Sean Paul <sean@poorly.run> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Lyude Paul <lyude@redhat.com> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Marty E. Plummer <hanetzer@startmail.com> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190409205427.6943-4-robh@kernel.org
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright 2019 Collabora ltd. */
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#ifndef __PANFROST_JOB_H__
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#define __PANFROST_JOB_H__
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#include <uapi/drm/panfrost_drm.h>
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#include <drm/gpu_scheduler.h>
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struct panfrost_device;
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struct panfrost_gem_object;
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struct panfrost_file_priv;
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struct panfrost_job {
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struct drm_sched_job base;
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struct kref refcount;
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struct panfrost_device *pfdev;
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struct panfrost_file_priv *file_priv;
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/* Optional fences userspace can pass in for the job to depend on. */
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struct dma_fence **in_fences;
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u32 in_fence_count;
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/* Fence to be signaled by IRQ handler when the job is complete. */
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struct dma_fence *done_fence;
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__u64 jc;
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__u32 requirements;
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__u32 flush_id;
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/* Exclusive fences we have taken from the BOs to wait for */
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struct dma_fence **implicit_fences;
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struct drm_gem_object **bos;
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u32 bo_count;
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/* Fence to be signaled by drm-sched once its done with the job */
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struct dma_fence *render_done_fence;
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};
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int panfrost_job_init(struct panfrost_device *pfdev);
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void panfrost_job_fini(struct panfrost_device *pfdev);
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int panfrost_job_open(struct panfrost_file_priv *panfrost_priv);
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void panfrost_job_close(struct panfrost_file_priv *panfrost_priv);
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int panfrost_job_push(struct panfrost_job *job);
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void panfrost_job_put(struct panfrost_job *job);
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void panfrost_job_enable_interrupts(struct panfrost_device *pfdev);
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int panfrost_job_is_idle(struct panfrost_device *pfdev);
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#endif
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