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08222ca194
Add intel_dsb_wait_vblank_delay() which instructs the DSB to wait for duration between the undelayed and delayed vblanks. We'll need this as the DSB can only directly wait for the undelayed vblank, but we'll need to wait until the delayed vblank has elapsed as well. Reviewed-by: Animesh Manna <animesh.manna@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240930170415.23841-10-ville.syrjala@linux.intel.com
68 lines
1.9 KiB
C
68 lines
1.9 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 "i915_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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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_cleanup(struct intel_dsb *dsb);
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void intel_dsb_reg_write(struct intel_dsb *dsb,
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i915_reg_t reg, u32 val);
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void intel_dsb_reg_write_masked(struct intel_dsb *dsb,
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i915_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_vblank_delay(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_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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bool wait_for_vblank);
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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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