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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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e892c68bba
Add a typedef alias intel_reg_t for i915_reg_t, and use it exclusively in display code. The goal is to eventually define a distinct type for display, but for now just use an alias. In a handful of places include intel_display_reg_defs.h instead of i915_reg_defs.h to get the definition, and isolate the i915_reg_defs.h include there. Reviewed-by: Michał Grzelak <michal.grzelak@intel.com> Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/f5bb0122143c39ce7f9ce8a1605a7637e569f7f8.1777972548.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
78 lines
2.4 KiB
C
78 lines
2.4 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_DSB_H
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#define _INTEL_DSB_H
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#include <linux/types.h>
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#include "intel_display_reg_defs.h"
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struct intel_atomic_state;
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struct intel_crtc;
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struct intel_crtc_state;
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struct intel_display;
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struct intel_dsb;
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enum pipe;
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enum intel_dsb_id {
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INTEL_DSB_0,
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INTEL_DSB_1,
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INTEL_DSB_2,
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I915_MAX_DSBS,
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};
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unsigned int intel_dsb_size(struct intel_dsb *dsb);
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unsigned int intel_dsb_head(struct intel_dsb *dsb);
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struct intel_dsb *intel_dsb_prepare(struct intel_atomic_state *state,
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struct intel_crtc *crtc,
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enum intel_dsb_id dsb_id,
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unsigned int max_cmds);
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void intel_dsb_finish(struct intel_dsb *dsb);
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void intel_dsb_gosub_finish(struct intel_dsb *dsb);
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void intel_dsb_cleanup(struct intel_dsb *dsb);
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int intel_dsb_exec_time_us(void);
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void intel_dsb_reg_write(struct intel_dsb *dsb,
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intel_reg_t reg, u32 val);
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void intel_dsb_reg_write_indexed(struct intel_dsb *dsb,
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intel_reg_t reg, u32 val);
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void intel_dsb_reg_write_masked(struct intel_dsb *dsb,
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intel_reg_t reg, u32 mask, u32 val);
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void intel_dsb_noop(struct intel_dsb *dsb, int count);
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void intel_dsb_nonpost_start(struct intel_dsb *dsb);
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void intel_dsb_nonpost_end(struct intel_dsb *dsb);
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void intel_dsb_interrupt(struct intel_dsb *dsb);
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void intel_dsb_wait_usec(struct intel_dsb *dsb, int count);
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void intel_dsb_wait_vblanks(struct intel_dsb *dsb, int count);
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void intel_dsb_wait_for_delayed_vblank(struct intel_atomic_state *state,
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struct intel_dsb *dsb);
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void intel_dsb_wait_scanline_in(struct intel_atomic_state *state,
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struct intel_dsb *dsb,
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int lower, int upper);
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void intel_dsb_wait_scanline_out(struct intel_atomic_state *state,
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struct intel_dsb *dsb,
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int lower, int upper);
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void intel_dsb_vblank_evade(struct intel_atomic_state *state,
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struct intel_dsb *dsb);
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void intel_dsb_poll(struct intel_dsb *dsb,
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intel_reg_t reg, u32 mask, u32 val,
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int wait_us, int count);
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void intel_dsb_gosub(struct intel_dsb *dsb,
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struct intel_dsb *sub_dsb);
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void intel_dsb_chain(struct intel_atomic_state *state,
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struct intel_dsb *dsb,
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struct intel_dsb *chained_dsb,
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bool wait_for_vblank);
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void intel_dsb_commit(struct intel_dsb *dsb);
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void intel_dsb_wait(struct intel_dsb *dsb);
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void intel_dsb_irq_handler(struct intel_display *display,
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enum pipe pipe, enum intel_dsb_id dsb_id);
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#endif
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