3af2ff0840
Make sure that PIPEDMCs are enabled whenever the corresponding pipe is enabled. This is required at least by the latest ADLP v2.18 firmware, which adds a new handler enabled by default and running whenever the pipe is enabled at the vertical referesh rate. Bspec: 50344, 67620 Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Tested-by: Gustavo Sousa <gustavo.sousa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230102183324.862279-1-imre.deak@intel.com
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_DMC_H__
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#define __INTEL_DMC_H__
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#include "i915_reg_defs.h"
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#include "intel_wakeref.h"
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#include <linux/workqueue.h>
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struct drm_i915_error_state_buf;
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struct drm_i915_private;
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enum pipe;
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enum {
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DMC_FW_MAIN = 0,
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DMC_FW_PIPEA,
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DMC_FW_PIPEB,
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DMC_FW_PIPEC,
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DMC_FW_PIPED,
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DMC_FW_MAX
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};
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struct intel_dmc {
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struct work_struct work;
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const char *fw_path;
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u32 max_fw_size; /* bytes */
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u32 version;
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struct dmc_fw_info {
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u32 mmio_count;
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i915_reg_t mmioaddr[20];
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u32 mmiodata[20];
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u32 dmc_offset;
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u32 start_mmioaddr;
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u32 dmc_fw_size; /*dwords */
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u32 *payload;
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bool present;
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} dmc_info[DMC_FW_MAX];
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u32 dc_state;
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u32 target_dc_state;
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u32 allowed_dc_mask;
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intel_wakeref_t wakeref;
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};
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void intel_dmc_ucode_init(struct drm_i915_private *i915);
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void intel_dmc_load_program(struct drm_i915_private *i915);
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void intel_dmc_disable_program(struct drm_i915_private *i915);
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void intel_dmc_enable_pipe(struct drm_i915_private *i915, enum pipe pipe);
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void intel_dmc_disable_pipe(struct drm_i915_private *i915, enum pipe pipe);
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void intel_dmc_ucode_fini(struct drm_i915_private *i915);
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void intel_dmc_ucode_suspend(struct drm_i915_private *i915);
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void intel_dmc_ucode_resume(struct drm_i915_private *i915);
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bool intel_dmc_has_payload(struct drm_i915_private *i915);
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void intel_dmc_debugfs_register(struct drm_i915_private *i915);
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void intel_dmc_print_error_state(struct drm_i915_error_state_buf *m,
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struct drm_i915_private *i915);
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void assert_dmc_loaded(struct drm_i915_private *i915);
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#endif /* __INTEL_DMC_H__ */
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