On Thu, 02 Mar 2023, Ville Syrjälä <ville.syrj...@linux.intel.com> wrote:
> On Thu, Mar 02, 2023 at 06:49:36PM +0200, Jani Nikula wrote:
>> Split out the RPS parts so they can be conditionally compiled out later.
>>
>> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
>
> Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Thanks, pushed to din.
BR,
Jani.
>
>> ---
>> drivers/gpu/drm/i915/Makefile | 1 +
>> .../gpu/drm/i915/display/intel_atomic_plane.c | 79 ++----------------
>> .../gpu/drm/i915/display/intel_display_rps.c | 81 +++++++++++++++++++
>> .../gpu/drm/i915/display/intel_display_rps.h | 22 +++++
>> 4 files changed, 111 insertions(+), 72 deletions(-)
>> create mode 100644 drivers/gpu/drm/i915/display/intel_display_rps.c
>> create mode 100644 drivers/gpu/drm/i915/display/intel_display_rps.h
>>
>> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
>> index b2f91a1f8268..8e46f57e4569 100644
>> --- a/drivers/gpu/drm/i915/Makefile
>> +++ b/drivers/gpu/drm/i915/Makefile
>> @@ -239,6 +239,7 @@ i915-y += \
>> display/intel_display_power.o \
>> display/intel_display_power_map.o \
>> display/intel_display_power_well.o \
>> + display/intel_display_rps.o \
>> display/intel_dmc.o \
>> display/intel_dpio_phy.o \
>> display/intel_dpll.o \
>> diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
>> b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
>> index 3bd8f7eb75a6..719a60e278f3 100644
>> --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
>> +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
>> @@ -34,11 +34,10 @@
>> #include <drm/drm_atomic_helper.h>
>> #include <drm/drm_fourcc.h>
>>
>> -#include "gt/intel_rps.h"
>> -
>> #include "i915_config.h"
>> #include "intel_atomic_plane.h"
>> #include "intel_cdclk.h"
>> +#include "intel_display_rps.h"
>> #include "intel_display_trace.h"
>> #include "intel_display_types.h"
>> #include "intel_fb.h"
>> @@ -941,64 +940,6 @@ int intel_atomic_plane_check_clipping(struct
>> intel_plane_state *plane_state,
>> return 0;
>> }
>>
>> -struct wait_rps_boost {
>> - struct wait_queue_entry wait;
>> -
>> - struct drm_crtc *crtc;
>> - struct i915_request *request;
>> -};
>> -
>> -static int do_rps_boost(struct wait_queue_entry *_wait,
>> - unsigned mode, int sync, void *key)
>> -{
>> - struct wait_rps_boost *wait = container_of(_wait, typeof(*wait), wait);
>> - struct i915_request *rq = wait->request;
>> -
>> - /*
>> - * If we missed the vblank, but the request is already running it
>> - * is reasonable to assume that it will complete before the next
>> - * vblank without our intervention, so leave RPS alone.
>> - */
>> - if (!i915_request_started(rq))
>> - intel_rps_boost(rq);
>> - i915_request_put(rq);
>> -
>> - drm_crtc_vblank_put(wait->crtc);
>> -
>> - list_del(&wait->wait.entry);
>> - kfree(wait);
>> - return 1;
>> -}
>> -
>> -static void add_rps_boost_after_vblank(struct drm_crtc *crtc,
>> - struct dma_fence *fence)
>> -{
>> - struct wait_rps_boost *wait;
>> -
>> - if (!dma_fence_is_i915(fence))
>> - return;
>> -
>> - if (DISPLAY_VER(to_i915(crtc->dev)) < 6)
>> - return;
>> -
>> - if (drm_crtc_vblank_get(crtc))
>> - return;
>> -
>> - wait = kmalloc(sizeof(*wait), GFP_KERNEL);
>> - if (!wait) {
>> - drm_crtc_vblank_put(crtc);
>> - return;
>> - }
>> -
>> - wait->request = to_request(dma_fence_get(fence));
>> - wait->crtc = crtc;
>> -
>> - wait->wait.func = do_rps_boost;
>> - wait->wait.flags = 0;
>> -
>> - add_wait_queue(drm_crtc_vblank_waitqueue(crtc), &wait->wait);
>> -}
>> -
>> /**
>> * intel_prepare_plane_fb - Prepare fb for usage on plane
>> * @_plane: drm plane to prepare for
>> @@ -1089,13 +1030,13 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
>> dma_resv_iter_begin(&cursor, obj->base.resv,
>> DMA_RESV_USAGE_WRITE);
>> dma_resv_for_each_fence_unlocked(&cursor, fence) {
>> - add_rps_boost_after_vblank(new_plane_state->hw.crtc,
>> - fence);
>> +
>> intel_display_rps_boost_after_vblank(new_plane_state->hw.crtc,
>> + fence);
>> }
>> dma_resv_iter_end(&cursor);
>> } else {
>> - add_rps_boost_after_vblank(new_plane_state->hw.crtc,
>> - new_plane_state->uapi.fence);
>> + intel_display_rps_boost_after_vblank(new_plane_state->hw.crtc,
>> +
>> new_plane_state->uapi.fence);
>> }
>>
>> /*
>> @@ -1106,10 +1047,7 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
>> * that are not quite steady state without resorting to forcing
>> * maximum clocks following a vblank miss (see do_rps_boost()).
>> */
>> - if (!state->rps_interactive) {
>> - intel_rps_mark_interactive(&to_gt(dev_priv)->rps, true);
>> - state->rps_interactive = true;
>> - }
>> + intel_display_rps_mark_interactive(dev_priv, state, true);
>>
>> return 0;
>>
>> @@ -1140,10 +1078,7 @@ intel_cleanup_plane_fb(struct drm_plane *plane,
>> if (!obj)
>> return;
>>
>> - if (state->rps_interactive) {
>> - intel_rps_mark_interactive(&to_gt(dev_priv)->rps, false);
>> - state->rps_interactive = false;
>> - }
>> + intel_display_rps_mark_interactive(dev_priv, state, false);
>>
>> /* Should only be called after a successful intel_prepare_plane_fb()! */
>> intel_plane_unpin_fb(old_plane_state);
>> diff --git a/drivers/gpu/drm/i915/display/intel_display_rps.c
>> b/drivers/gpu/drm/i915/display/intel_display_rps.c
>> new file mode 100644
>> index 000000000000..918d0327169a
>> --- /dev/null
>> +++ b/drivers/gpu/drm/i915/display/intel_display_rps.c
>> @@ -0,0 +1,81 @@
>> +// SPDX-License-Identifier: MIT
>> +/*
>> + * Copyright © 2023 Intel Corporation
>> + */
>> +
>> +#include <drm/drm_crtc.h>
>> +#include <drm/drm_vblank.h>
>> +
>> +#include "gt/intel_rps.h"
>> +#include "i915_drv.h"
>> +#include "intel_display_rps.h"
>> +#include "intel_display_types.h"
>> +
>> +struct wait_rps_boost {
>> + struct wait_queue_entry wait;
>> +
>> + struct drm_crtc *crtc;
>> + struct i915_request *request;
>> +};
>> +
>> +static int do_rps_boost(struct wait_queue_entry *_wait,
>> + unsigned mode, int sync, void *key)
>> +{
>> + struct wait_rps_boost *wait = container_of(_wait, typeof(*wait), wait);
>> + struct i915_request *rq = wait->request;
>> +
>> + /*
>> + * If we missed the vblank, but the request is already running it
>> + * is reasonable to assume that it will complete before the next
>> + * vblank without our intervention, so leave RPS alone.
>> + */
>> + if (!i915_request_started(rq))
>> + intel_rps_boost(rq);
>> + i915_request_put(rq);
>> +
>> + drm_crtc_vblank_put(wait->crtc);
>> +
>> + list_del(&wait->wait.entry);
>> + kfree(wait);
>> + return 1;
>> +}
>> +
>> +void intel_display_rps_boost_after_vblank(struct drm_crtc *crtc,
>> + struct dma_fence *fence)
>> +{
>> + struct wait_rps_boost *wait;
>> +
>> + if (!dma_fence_is_i915(fence))
>> + return;
>> +
>> + if (DISPLAY_VER(to_i915(crtc->dev)) < 6)
>> + return;
>> +
>> + if (drm_crtc_vblank_get(crtc))
>> + return;
>> +
>> + wait = kmalloc(sizeof(*wait), GFP_KERNEL);
>> + if (!wait) {
>> + drm_crtc_vblank_put(crtc);
>> + return;
>> + }
>> +
>> + wait->request = to_request(dma_fence_get(fence));
>> + wait->crtc = crtc;
>> +
>> + wait->wait.func = do_rps_boost;
>> + wait->wait.flags = 0;
>> +
>> + add_wait_queue(drm_crtc_vblank_waitqueue(crtc), &wait->wait);
>> +}
>> +
>> +void intel_display_rps_mark_interactive(struct drm_i915_private *i915,
>> + struct intel_atomic_state *state,
>> + bool interactive)
>> +{
>> + if (state->rps_interactive == interactive)
>> + return;
>> +
>> + intel_rps_mark_interactive(&to_gt(i915)->rps, interactive);
>> + state->rps_interactive = interactive;
>> +}
>> diff --git a/drivers/gpu/drm/i915/display/intel_display_rps.h
>> b/drivers/gpu/drm/i915/display/intel_display_rps.h
>> new file mode 100644
>> index 000000000000..e19009c2371a
>> --- /dev/null
>> +++ b/drivers/gpu/drm/i915/display/intel_display_rps.h
>> @@ -0,0 +1,22 @@
>> +/* SPDX-License-Identifier: MIT */
>> +/*
>> + * Copyright © 2023 Intel Corporation
>> + */
>> +
>> +#ifndef __INTEL_DISPLAY_RPS_H__
>> +#define __INTEL_DISPLAY_RPS_H__
>> +
>> +#include <linux/types.h>
>> +
>> +struct dma_fence;
>> +struct drm_crtc;
>> +struct drm_i915_private;
>> +struct intel_atomic_state;
>> +
>> +void intel_display_rps_boost_after_vblank(struct drm_crtc *crtc,
>> + struct dma_fence *fence);
>> +void intel_display_rps_mark_interactive(struct drm_i915_private *i915,
>> + struct intel_atomic_state *state,
>> + bool interactive);
>> +
>> +#endif /* __INTEL_DISPLAY_RPS_H__ */
>> --
>> 2.39.1
--
Jani Nikula, Intel Open Source Graphics Center
