mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
62384da2a0
Make i915->display pointer opaque to most of core i915 driver. Lots of places now need explicit include of intel_display_core.h, or a more specific header. With this dependency broken, changes in display should cause radically less recompilation of i915. Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com> Link: https://lore.kernel.org/r/b381b59acb7e4f600e0282935a68aedf77768109.1747907216.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
// 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 "i915_reg.h"
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#include "intel_display_core.h"
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#include "intel_display_irq.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 intel_display *display = to_intel_display(crtc->dev);
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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(display) < 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 intel_display *display,
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struct intel_atomic_state *state,
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bool interactive)
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{
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struct drm_i915_private *i915 = to_i915(display->drm);
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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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void ilk_display_rps_enable(struct intel_display *display)
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{
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spin_lock(&display->irq.lock);
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ilk_enable_display_irq(display, DE_PCU_EVENT);
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spin_unlock(&display->irq.lock);
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}
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void ilk_display_rps_disable(struct intel_display *display)
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{
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spin_lock(&display->irq.lock);
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ilk_disable_display_irq(display, DE_PCU_EVENT);
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spin_unlock(&display->irq.lock);
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}
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void ilk_display_rps_irq_handler(struct intel_display *display)
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{
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struct drm_i915_private *i915 = to_i915(display->drm);
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gen5_rps_irq_handler(&to_gt(i915)->rps);
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}
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