Files
linux/drivers/gpu/drm/i915/display/intel_dsb.h
Ville Syrjälä 81d604f44b drm/i915/dsb: Pass DSB engine ID to intel_dsb_prepare()
Allow the caller of intel_dsb_prepare() to determine which DSB
engine (out of the three possible per pipe) to use. This will
let us utilize multiple DSB engines during the same commit.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240531114101.19994-4-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-06-05 12:45:34 +03:00

43 lines
1021 B
C

/* SPDX-License-Identifier: MIT
*
* Copyright © 2019 Intel Corporation
*/
#ifndef _INTEL_DSB_H
#define _INTEL_DSB_H
#include <linux/types.h>
#include "i915_reg_defs.h"
struct intel_crtc;
struct intel_crtc_state;
struct intel_dsb;
enum intel_dsb_id {
INTEL_DSB_0,
INTEL_DSB_1,
INTEL_DSB_2,
I915_MAX_DSBS,
};
struct intel_dsb *intel_dsb_prepare(const struct intel_crtc_state *crtc_state,
enum intel_dsb_id dsb_id,
unsigned int max_cmds);
void intel_dsb_finish(struct intel_dsb *dsb);
void intel_dsb_cleanup(struct intel_dsb *dsb);
void intel_dsb_reg_write(struct intel_dsb *dsb,
i915_reg_t reg, u32 val);
void intel_dsb_reg_write_masked(struct intel_dsb *dsb,
i915_reg_t reg, u32 mask, u32 val);
void intel_dsb_noop(struct intel_dsb *dsb, int count);
void intel_dsb_nonpost_start(struct intel_dsb *dsb);
void intel_dsb_nonpost_end(struct intel_dsb *dsb);
void intel_dsb_commit(struct intel_dsb *dsb,
bool wait_for_vblank);
void intel_dsb_wait(struct intel_dsb *dsb);
#endif