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/* SPDX-License-Identifier: GPL-2.0 */
/* (C) COPYRIGHT 2014-2018 ARM Limited. All rights reserved. */
/* Copyright 2019 Linaro, Ltd., Rob Herring <robh@kernel.org> */
#ifndef __PANFROST_ISSUES_H__
#define __PANFROST_ISSUES_H__
#include <linux/bitops.h>
#include "panfrost_device.h"
/*
* This is not a complete list of issues, but only the ones the driver needs
* to care about.
*/
enum panfrost_hw_issue {
/* Need way to guarantee that all previously-translated memory accesses
* are committed */
HW_ISSUE_6367,
/* On job complete with non-done the cache is not flushed */
HW_ISSUE_6787,
/* Write of PRFCNT_CONFIG_MODE_MANUAL to PRFCNT_CONFIG causes a
* instrumentation dump if PRFCNT_TILER_EN is enabled */
HW_ISSUE_8186,
/* TIB: Reports faults from a vtile which has not yet been allocated */
HW_ISSUE_8245,
/* uTLB deadlock could occur when writing to an invalid page at the
* same time as access to a valid page in the same uTLB cache line ( ==
* 4 PTEs == 16K block of mapping) */
HW_ISSUE_8316,
/* HT: TERMINATE for RUN command ignored if previous LOAD_DESCRIPTOR is
* still executing */
HW_ISSUE_8394,
/* CSE: Sends a TERMINATED response for a task that should not be
* terminated */
HW_ISSUE_8401,
/* Repeatedly Soft-stopping a job chain consisting of (Vertex Shader,
* Cache Flush, Tiler) jobs causes DATA_INVALID_FAULT on tiler job. */
HW_ISSUE_8408,
/* Disable the Pause Buffer in the LS pipe. */
HW_ISSUE_8443,
/* Change in RMUs in use causes problems related with the core's SDC */
HW_ISSUE_8987,
/* Compute endpoint has a 4-deep queue of tasks, meaning a soft stop
* won't complete until all 4 tasks have completed */
HW_ISSUE_9435,
/* HT: Tiler returns TERMINATED for non-terminated command */
HW_ISSUE_9510,
/* Occasionally the GPU will issue multiple page faults for the same
* address before the MMU page table has been read by the GPU */
HW_ISSUE_9630,
/* RA DCD load request to SDC returns invalid load ignore causing
* colour buffer mismatch */
HW_ISSUE_10327,
/* MMU TLB invalidation hazards */
HW_ISSUE_10649,
/* Missing cache flush in multi core-group configuration */
HW_ISSUE_10676,
/* Chicken bit on T72X for a hardware workaround in compiler */
HW_ISSUE_10797,
/* Soft-stopping fragment jobs might fail with TILE_RANGE_FAULT */
HW_ISSUE_10817,
/* Intermittent missing interrupt on job completion */
HW_ISSUE_10883,
/* Soft-stopping fragment jobs might fail with TILE_RANGE_ERROR
* (similar to issue 10817) and can use #10817 workaround */
HW_ISSUE_10959,
/* Soft-stopped fragment shader job can restart with out-of-bound
* restart index */
HW_ISSUE_10969,
/* Race condition can cause tile list corruption */
HW_ISSUE_11020,
/* Write buffer can cause tile list corruption */
HW_ISSUE_11024,
/* Pause buffer can cause a fragment job hang */
HW_ISSUE_11035,
/* Dynamic Core Scaling not supported due to errata */
HW_ISSUE_11056,
/* Clear encoder state for a hard stopped fragment job which is AFBC
* encoded by soft resetting the GPU. Only for T76X r0p0, r0p1 and
* r0p1_50rel0 */
HW_ISSUE_T76X_3542,
/* Keep tiler module clock on to prevent GPU stall */
HW_ISSUE_T76X_3953,
/* Must ensure L2 is not transitioning when we reset. Workaround with a
* busy wait until L2 completes transition; ensure there is a maximum
* loop count as she may never complete her transition. (On chips
* without this errata, it's totally okay if L2 transitions.) */
HW_ISSUE_TMIX_8463,
/* Don't set SC_LS_ATTR_CHECK_DISABLE/SC_LS_ALLOW_ATTR_TYPES */
GPUCORE_1619,
/* When a hard-stop follows close after a soft-stop, the completion
* code for the terminated job may be incorrectly set to STOPPED */
HW_ISSUE_TMIX_8438,
/* "Protected mode" is buggy on Mali-G31 some Bifrost chips, so the
* kernel must fiddle with L2 caches to prevent data leakage */
HW_ISSUE_TGOX_R1_1234,
/* Must set SC_VAR_ALGORITHM */
HW_ISSUE_TTRX_2968_TTRX_3162,
/* Bus fault from occlusion query write may cause future fragment jobs
* to hang */
HW_ISSUE_TTRX_3076,
/* Must issue a dummy job before starting real work to prevent hangs */
HW_ISSUE_TTRX_3485,
HW_ISSUE_END
};
#define hw_issues_all (\
BIT_ULL(HW_ISSUE_9435))
#define hw_issues_t600 (\
BIT_ULL(HW_ISSUE_6367) | \
BIT_ULL(HW_ISSUE_6787) | \
BIT_ULL(HW_ISSUE_8408) | \
BIT_ULL(HW_ISSUE_9510) | \
BIT_ULL(HW_ISSUE_10649) | \
BIT_ULL(HW_ISSUE_10676) | \
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_11020) | \
BIT_ULL(HW_ISSUE_11035) | \
BIT_ULL(HW_ISSUE_11056) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_t600_r0p0_15dev0 (\
BIT_ULL(HW_ISSUE_8186) | \
BIT_ULL(HW_ISSUE_8245) | \
BIT_ULL(HW_ISSUE_8316) | \
BIT_ULL(HW_ISSUE_8394) | \
BIT_ULL(HW_ISSUE_8401) | \
BIT_ULL(HW_ISSUE_8443) | \
BIT_ULL(HW_ISSUE_8987) | \
BIT_ULL(HW_ISSUE_9630) | \
BIT_ULL(HW_ISSUE_10969) | \
BIT_ULL(GPUCORE_1619))
#define hw_issues_t620 (\
BIT_ULL(HW_ISSUE_10649) | \
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_10959) | \
BIT_ULL(HW_ISSUE_11056) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_t620_r0p1 (\
BIT_ULL(HW_ISSUE_10327) | \
BIT_ULL(HW_ISSUE_10676) | \
BIT_ULL(HW_ISSUE_10817) | \
BIT_ULL(HW_ISSUE_11020) | \
BIT_ULL(HW_ISSUE_11024) | \
BIT_ULL(HW_ISSUE_11035))
#define hw_issues_t620_r1p0 (\
BIT_ULL(HW_ISSUE_11020) | \
BIT_ULL(HW_ISSUE_11024))
#define hw_issues_t720 (\
BIT_ULL(HW_ISSUE_10649) | \
BIT_ULL(HW_ISSUE_10797) | \
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_11056) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_t760 (\
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_T76X_3953) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_t760_r0p0 (\
BIT_ULL(HW_ISSUE_11020) | \
BIT_ULL(HW_ISSUE_11024) | \
BIT_ULL(HW_ISSUE_T76X_3542))
#define hw_issues_t760_r0p1 (\
BIT_ULL(HW_ISSUE_11020) | \
BIT_ULL(HW_ISSUE_11024) | \
BIT_ULL(HW_ISSUE_T76X_3542))
#define hw_issues_t760_r0p1_50rel0 (\
BIT_ULL(HW_ISSUE_T76X_3542))
#define hw_issues_t760_r0p2 (\
BIT_ULL(HW_ISSUE_11020) | \
BIT_ULL(HW_ISSUE_11024) | \
BIT_ULL(HW_ISSUE_T76X_3542))
#define hw_issues_t760_r0p3 (\
BIT_ULL(HW_ISSUE_T76X_3542))
#define hw_issues_t820 (\
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_T76X_3953) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_t830 (\
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_T76X_3953) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_t860 (\
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_T76X_3953) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_t880 (\
BIT_ULL(HW_ISSUE_10883) | \
BIT_ULL(HW_ISSUE_T76X_3953) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_g31 0
#define hw_issues_g31_r1p0 (\
BIT_ULL(HW_ISSUE_TGOX_R1_1234))
#define hw_issues_g51 0
#define hw_issues_g52 0
#define hw_issues_g71 (\
BIT_ULL(HW_ISSUE_TMIX_8463) | \
BIT_ULL(HW_ISSUE_TMIX_8438))
#define hw_issues_g71_r0p0_05dev0 (\
BIT_ULL(HW_ISSUE_T76X_3953))
#define hw_issues_g72 0
#define hw_issues_g76 0
#define hw_issues_g57 (\
BIT_ULL(HW_ISSUE_TTRX_2968_TTRX_3162) | \
BIT_ULL(HW_ISSUE_TTRX_3076))
#define hw_issues_g57_r0p0 (\
BIT_ULL(HW_ISSUE_TTRX_3485))
static inline bool panfrost_has_hw_issue(const struct panfrost_device *pfdev,
enum panfrost_hw_issue issue)
{
return test_bit(issue, pfdev->features.hw_issues);
}
#endif /* __PANFROST_ISSUES_H__ */
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