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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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981f2aabea
This rename makes it more clear that everything initialized in the _init function must be cleaned up in a6xx_gmu_remove. This will hopefully dissuade people from using device managed resources (for reasons laid out in the previous patch). Changes in v2: - None Cc: Jordan Crouse <jcrouse@codeaurora.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190523171653.138678-6-sean@poorly.run
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2017 The Linux Foundation. All rights reserved. */
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#ifndef __A6XX_GPU_H__
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#define __A6XX_GPU_H__
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#include "adreno_gpu.h"
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#include "a6xx.xml.h"
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#include "a6xx_gmu.h"
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extern bool hang_debug;
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struct a6xx_gpu {
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struct adreno_gpu base;
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struct drm_gem_object *sqe_bo;
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uint64_t sqe_iova;
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struct msm_ringbuffer *cur_ring;
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struct a6xx_gmu gmu;
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};
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#define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base)
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/*
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* Given a register and a count, return a value to program into
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* REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
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* registers starting at _reg.
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*/
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#define A6XX_PROTECT_RW(_reg, _len) \
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((1 << 31) | \
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(((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
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/*
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* Same as above, but allow reads over the range. For areas of mixed use (such
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* as performance counters) this allows us to protect a much larger range with a
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* single register
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*/
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#define A6XX_PROTECT_RDONLY(_reg, _len) \
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((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
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int a6xx_gmu_resume(struct a6xx_gpu *gpu);
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int a6xx_gmu_stop(struct a6xx_gpu *gpu);
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int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
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bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
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int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
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void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
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int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
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void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
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void a6xx_gmu_set_freq(struct msm_gpu *gpu, unsigned long freq);
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unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
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void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
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struct drm_printer *p);
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struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
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int a6xx_gpu_state_put(struct msm_gpu_state *state);
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#endif /* __A6XX_GPU_H__ */
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