-/* Copyright (c) 2016, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
return false;
}
+static void _sde_core_perf_calc_crtc(struct drm_crtc *crtc,
+ struct drm_crtc_state *state,
+ struct sde_core_perf_params *perf)
+{
+ struct sde_crtc_state *sde_cstate;
+
+ if (!crtc || !state || !perf) {
+ SDE_ERROR("invalid parameters\n");
+ return;
+ }
+
+ sde_cstate = to_sde_crtc_state(state);
+ memset(perf, 0, sizeof(struct sde_core_perf_params));
+
+ perf->bw_ctl = sde_crtc_get_property(sde_cstate, CRTC_PROP_CORE_AB);
+ perf->max_per_pipe_ib =
+ sde_crtc_get_property(sde_cstate, CRTC_PROP_CORE_IB);
+ perf->core_clk_rate =
+ sde_crtc_get_property(sde_cstate, CRTC_PROP_CORE_CLK);
+
+ SDE_DEBUG("crtc=%d clk_rate=%u ib=%llu ab=%llu\n",
+ crtc->base.id, perf->core_clk_rate,
+ perf->max_per_pipe_ib, perf->bw_ctl);
+}
+
int sde_core_perf_crtc_check(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
sde_cstate = to_sde_crtc_state(state);
- bw_sum_of_intfs = sde_crtc_get_property(sde_cstate, CRTC_PROP_CORE_AB);
+ /* swap state and obtain new values */
+ sde_cstate->cur_perf = sde_cstate->new_perf;
+ _sde_core_perf_calc_crtc(crtc, state, &sde_cstate->new_perf);
+
+ bw_sum_of_intfs = sde_cstate->new_perf.bw_ctl;
drm_for_each_crtc(tmp_crtc, crtc->dev) {
if (_sde_core_perf_crtc_is_power_on(tmp_crtc) &&
struct sde_crtc_state *tmp_cstate =
to_sde_crtc_state(tmp_crtc->state);
- bw_sum_of_intfs += tmp_cstate->cur_perf.bw_ctl;
+ bw_sum_of_intfs += tmp_cstate->new_perf.bw_ctl;
}
}
SDE_DEBUG("final threshold bw limit = %d\n", threshold);
if (!threshold) {
- sde_cstate->cur_perf.bw_ctl = 0;
+ sde_cstate->new_perf = sde_cstate->cur_perf;
SDE_ERROR("no bandwidth limits specified\n");
return -E2BIG;
} else if (bw > threshold) {
- sde_cstate->cur_perf.bw_ctl = 0;
+ sde_cstate->new_perf = sde_cstate->cur_perf;
SDE_DEBUG("exceeds bandwidth: %ukb > %ukb\n", bw, threshold);
return -E2BIG;
}
return 0;
}
-static void _sde_core_perf_calc_crtc(struct sde_kms *kms,
- struct drm_crtc *crtc,
- struct sde_core_perf_params *perf)
-{
- struct sde_crtc_state *sde_cstate;
-
- sde_cstate = to_sde_crtc_state(crtc->state);
- memset(perf, 0, sizeof(struct sde_core_perf_params));
-
- perf->bw_ctl = sde_crtc_get_property(sde_cstate, CRTC_PROP_CORE_AB);
- perf->max_per_pipe_ib =
- sde_crtc_get_property(sde_cstate, CRTC_PROP_CORE_IB);
- perf->core_clk_rate =
- sde_crtc_get_property(sde_cstate, CRTC_PROP_CORE_CLK);
-
- SDE_DEBUG("crtc=%d clk_rate=%u ib=%llu ab=%llu\n",
- crtc->base.id, perf->core_clk_rate,
- perf->max_per_pipe_ib, perf->bw_ctl);
-}
-
static u64 _sde_core_perf_crtc_calc_client_vote(struct sde_kms *kms,
struct drm_crtc *crtc, struct sde_core_perf_params *perf,
bool nrt_client, u32 core_clk)
to_sde_crtc_state(tmp_crtc->state);
perf->max_per_pipe_ib = max(perf->max_per_pipe_ib,
- sde_cstate->cur_perf.max_per_pipe_ib);
+ sde_cstate->new_perf.max_per_pipe_ib);
- bw_sum_of_intfs += sde_cstate->cur_perf.bw_ctl;
+ bw_sum_of_intfs += sde_cstate->new_perf.bw_ctl;
SDE_DEBUG("crtc=%d bw=%llu\n",
tmp_crtc->base.id,
- sde_cstate->cur_perf.bw_ctl);
+ sde_cstate->new_perf.bw_ctl);
}
}
drm_for_each_crtc(crtc, kms->dev) {
if (_sde_core_perf_crtc_is_power_on(crtc)) {
sde_cstate = to_sde_crtc_state(crtc->state);
- clk_rate = max(sde_cstate->cur_perf.core_clk_rate,
+ clk_rate = max(sde_cstate->new_perf.core_clk_rate,
clk_rate);
clk_rate = clk_round_rate(kms->perf.core_clk, clk_rate);
}
new = &sde_cstate->new_perf;
if (_sde_core_perf_crtc_is_power_on(crtc) && !stop_req) {
- if (params_changed)
- _sde_core_perf_calc_crtc(kms, crtc, new);
-
/*
* cases for bus bandwidth update.
* 1. new bandwidth vote or writeback output vote