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459f6a32e3
The drm_device-managed mutex_init might fail and return an error. Add proper error handling. While around, update the function name to clearly indicate this is an early software-only initialization. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patch.msgid.link/20260529195956.25349-1-michal.wajdeczko@intel.com
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2022 Intel Corporation
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*/
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#ifndef _XE_PCODE_H_
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#define _XE_PCODE_H_
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#include <linux/types.h>
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struct drm_device;
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struct xe_device;
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struct xe_tile;
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int xe_pcode_init_early(struct xe_tile *tile);
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int xe_pcode_probe_early(struct xe_device *xe);
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int xe_pcode_ready(struct xe_device *xe, bool locked);
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int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq,
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u32 max_gt_freq);
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int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1);
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int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val,
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int timeout_ms);
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int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0,
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u32 data1, int timeout);
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#define xe_pcode_write(tile, mbox, val) \
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xe_pcode_write_timeout(tile, mbox, val, 1)
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int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request,
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u32 reply_mask, u32 reply, int timeout_ms);
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#define PCODE_MBOX(mbcmd, param1, param2)\
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(FIELD_PREP(PCODE_MB_COMMAND, mbcmd)\
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| FIELD_PREP(PCODE_MB_PARAM1, param1)\
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| FIELD_PREP(PCODE_MB_PARAM2, param2))
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#endif
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