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158 lines
4.3 KiB
158 lines
4.3 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* (C) COPYRIGHT 2019 ARM Limited. All rights reserved. |
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* Author: James.Qian.Wang <[email protected]> |
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* |
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*/ |
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#include <drm/drm_atomic.h> |
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#include <drm/drm_print.h> |
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#include "komeda_dev.h" |
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struct komeda_str { |
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char *str; |
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u32 sz; |
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u32 len; |
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}; |
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/* return 0 on success, < 0 on no space. |
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*/ |
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__printf(2, 3) |
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static int komeda_sprintf(struct komeda_str *str, const char *fmt, ...) |
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{ |
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va_list args; |
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int num, free_sz; |
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int err; |
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free_sz = str->sz - str->len - 1; |
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if (free_sz <= 0) |
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return -ENOSPC; |
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va_start(args, fmt); |
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num = vsnprintf(str->str + str->len, free_sz, fmt, args); |
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va_end(args); |
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if (num < free_sz) { |
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str->len += num; |
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err = 0; |
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} else { |
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str->len = str->sz - 1; |
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err = -ENOSPC; |
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} |
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return err; |
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} |
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static void evt_sprintf(struct komeda_str *str, u64 evt, const char *msg) |
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{ |
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if (evt) |
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komeda_sprintf(str, msg); |
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} |
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static void evt_str(struct komeda_str *str, u64 events) |
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{ |
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if (events == 0ULL) { |
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komeda_sprintf(str, "None"); |
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return; |
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} |
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evt_sprintf(str, events & KOMEDA_EVENT_VSYNC, "VSYNC|"); |
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evt_sprintf(str, events & KOMEDA_EVENT_FLIP, "FLIP|"); |
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evt_sprintf(str, events & KOMEDA_EVENT_EOW, "EOW|"); |
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evt_sprintf(str, events & KOMEDA_EVENT_MODE, "OP-MODE|"); |
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evt_sprintf(str, events & KOMEDA_EVENT_URUN, "UNDERRUN|"); |
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evt_sprintf(str, events & KOMEDA_EVENT_OVR, "OVERRUN|"); |
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/* GLB error */ |
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evt_sprintf(str, events & KOMEDA_ERR_MERR, "MERR|"); |
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evt_sprintf(str, events & KOMEDA_ERR_FRAMETO, "FRAMETO|"); |
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/* DOU error */ |
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evt_sprintf(str, events & KOMEDA_ERR_DRIFTTO, "DRIFTTO|"); |
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evt_sprintf(str, events & KOMEDA_ERR_FRAMETO, "FRAMETO|"); |
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evt_sprintf(str, events & KOMEDA_ERR_TETO, "TETO|"); |
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evt_sprintf(str, events & KOMEDA_ERR_CSCE, "CSCE|"); |
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/* LPU errors or events */ |
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evt_sprintf(str, events & KOMEDA_EVENT_IBSY, "IBSY|"); |
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evt_sprintf(str, events & KOMEDA_EVENT_EMPTY, "EMPTY|"); |
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evt_sprintf(str, events & KOMEDA_EVENT_FULL, "FULL|"); |
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evt_sprintf(str, events & KOMEDA_ERR_AXIE, "AXIE|"); |
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evt_sprintf(str, events & KOMEDA_ERR_ACE0, "ACE0|"); |
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evt_sprintf(str, events & KOMEDA_ERR_ACE1, "ACE1|"); |
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evt_sprintf(str, events & KOMEDA_ERR_ACE2, "ACE2|"); |
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evt_sprintf(str, events & KOMEDA_ERR_ACE3, "ACE3|"); |
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/* LPU TBU errors*/ |
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evt_sprintf(str, events & KOMEDA_ERR_TCF, "TCF|"); |
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evt_sprintf(str, events & KOMEDA_ERR_TTNG, "TTNG|"); |
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evt_sprintf(str, events & KOMEDA_ERR_TITR, "TITR|"); |
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evt_sprintf(str, events & KOMEDA_ERR_TEMR, "TEMR|"); |
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evt_sprintf(str, events & KOMEDA_ERR_TTF, "TTF|"); |
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/* CU errors*/ |
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evt_sprintf(str, events & KOMEDA_ERR_CPE, "COPROC|"); |
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evt_sprintf(str, events & KOMEDA_ERR_ZME, "ZME|"); |
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evt_sprintf(str, events & KOMEDA_ERR_CFGE, "CFGE|"); |
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evt_sprintf(str, events & KOMEDA_ERR_TEMR, "TEMR|"); |
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if (str->len > 0 && (str->str[str->len - 1] == '|')) { |
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str->str[str->len - 1] = 0; |
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str->len--; |
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} |
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} |
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static bool is_new_frame(struct komeda_events *a) |
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{ |
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return (a->pipes[0] | a->pipes[1]) & |
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(KOMEDA_EVENT_FLIP | KOMEDA_EVENT_EOW); |
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} |
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void komeda_print_events(struct komeda_events *evts, struct drm_device *dev) |
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{ |
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u64 print_evts = 0; |
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static bool en_print = true; |
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struct komeda_dev *mdev = dev->dev_private; |
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u16 const err_verbosity = mdev->err_verbosity; |
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u64 evts_mask = evts->global | evts->pipes[0] | evts->pipes[1]; |
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/* reduce the same msg print, only print the first evt for one frame */ |
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if (evts->global || is_new_frame(evts)) |
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en_print = true; |
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if (!(err_verbosity & KOMEDA_DEV_PRINT_DISABLE_RATELIMIT) && !en_print) |
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return; |
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if (err_verbosity & KOMEDA_DEV_PRINT_ERR_EVENTS) |
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print_evts |= KOMEDA_ERR_EVENTS; |
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if (err_verbosity & KOMEDA_DEV_PRINT_WARN_EVENTS) |
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print_evts |= KOMEDA_WARN_EVENTS; |
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if (err_verbosity & KOMEDA_DEV_PRINT_INFO_EVENTS) |
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print_evts |= KOMEDA_INFO_EVENTS; |
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if (evts_mask & print_evts) { |
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char msg[256]; |
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struct komeda_str str; |
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struct drm_printer p = drm_info_printer(dev->dev); |
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str.str = msg; |
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str.sz = sizeof(msg); |
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str.len = 0; |
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komeda_sprintf(&str, "gcu: "); |
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evt_str(&str, evts->global); |
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komeda_sprintf(&str, ", pipes[0]: "); |
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evt_str(&str, evts->pipes[0]); |
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komeda_sprintf(&str, ", pipes[1]: "); |
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evt_str(&str, evts->pipes[1]); |
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DRM_ERROR("err detect: %s\n", msg); |
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if ((err_verbosity & KOMEDA_DEV_PRINT_DUMP_STATE_ON_EVENT) && |
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(evts_mask & (KOMEDA_ERR_EVENTS | KOMEDA_WARN_EVENTS))) |
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drm_state_dump(dev, &p); |
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en_print = false; |
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} |
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}
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