linux/drivers/gpu/drm/i915/display/intel_tdf.h
Jani Nikula 7bcb697c94 drm/i915/tdf: convert intel_tdf.[ch] to struct intel_display
Going forward, struct intel_display is the main display device data
pointer. Convert the intel_tdf.[ch] glue to struct intel_display.

Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/26d976f23295713f9a7cda20e32b7ef5aad3dd9e.1740502116.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2025-02-27 12:20:07 +02:00

25 lines
715 B
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2024 Intel Corporation
*/
#ifndef __INTEL_TDF_H__
#define __INTEL_TDF_H__
/*
* TDF (Transient-Data-Flush) is needed for Xe2+ where special L3:XD caching can
* be enabled through various PAT index modes. Idea is to use this caching mode
* when for example rendering onto the display surface, with the promise that
* KMD will ensure transient cache entries are always flushed by the time we do
* the display flip, since display engine is never coherent with CPU/GPU caches.
*/
struct intel_display;
#ifdef I915
static inline void intel_td_flush(struct intel_display *display) {}
#else
void intel_td_flush(struct intel_display *display);
#endif
#endif