82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
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// SPDX-License-Identifier: MIT
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/*
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* Copyright © 2023 Intel Corporation
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*/
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#include <drm/drm_crtc.h>
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#include <drm/drm_vblank.h>
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#include "gt/intel_rps.h"
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#include "i915_drv.h"
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#include "intel_display_rps.h"
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#include "intel_display_types.h"
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struct wait_rps_boost {
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struct wait_queue_entry wait;
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struct drm_crtc *crtc;
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struct i915_request *request;
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};
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static int do_rps_boost(struct wait_queue_entry *_wait,
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unsigned mode, int sync, void *key)
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{
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struct wait_rps_boost *wait = container_of(_wait, typeof(*wait), wait);
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struct i915_request *rq = wait->request;
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/*
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* If we missed the vblank, but the request is already running it
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* is reasonable to assume that it will complete before the next
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* vblank without our intervention, so leave RPS alone.
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*/
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if (!i915_request_started(rq))
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intel_rps_boost(rq);
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i915_request_put(rq);
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drm_crtc_vblank_put(wait->crtc);
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list_del(&wait->wait.entry);
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kfree(wait);
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return 1;
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}
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void intel_display_rps_boost_after_vblank(struct drm_crtc *crtc,
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struct dma_fence *fence)
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{
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struct wait_rps_boost *wait;
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if (!dma_fence_is_i915(fence))
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return;
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if (DISPLAY_VER(to_i915(crtc->dev)) < 6)
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return;
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if (drm_crtc_vblank_get(crtc))
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return;
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wait = kmalloc(sizeof(*wait), GFP_KERNEL);
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if (!wait) {
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drm_crtc_vblank_put(crtc);
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return;
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}
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wait->request = to_request(dma_fence_get(fence));
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wait->crtc = crtc;
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wait->wait.func = do_rps_boost;
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wait->wait.flags = 0;
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add_wait_queue(drm_crtc_vblank_waitqueue(crtc), &wait->wait);
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}
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void intel_display_rps_mark_interactive(struct drm_i915_private *i915,
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struct intel_atomic_state *state,
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bool interactive)
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{
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if (state->rps_interactive == interactive)
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return;
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intel_rps_mark_interactive(&to_gt(i915)->rps, interactive);
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state->rps_interactive = interactive;
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}
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