From patchwork Wed Oct 10 09:24:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sravanthi Kollukuduru X-Patchwork-Id: 10634269 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 93C4313AD for ; Wed, 10 Oct 2018 09:25:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 205BF2904B for ; Wed, 10 Oct 2018 09:25:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 12561290E2; Wed, 10 Oct 2018 09:25:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 004022904B for ; Wed, 10 Oct 2018 09:24:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8371989F97; Wed, 10 Oct 2018 09:24:57 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2029789F6E; Wed, 10 Oct 2018 09:24:56 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id EF38B60C5F; Wed, 10 Oct 2018 09:24:55 +0000 (UTC) Received: from skolluku-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: skolluku@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 544CD602D7; Wed, 10 Oct 2018 09:24:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 544CD602D7 From: Sravanthi Kollukuduru To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/3] drm/msm/dpu: clean up references of DPU custom bus scaling Date: Wed, 10 Oct 2018 14:54:32 +0530 Message-Id: <20181010092434.853-2-skolluku@codeaurora.org> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20181010092434.853-1-skolluku@codeaurora.org> References: <20181010092434.853-1-skolluku@codeaurora.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sean@poorly.run, seanpaul@chromium.org, Sravanthi Kollukuduru MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Since the upstream interconnect bus framework has landed upstream, the existing references of custom bus scaling needs to be cleaned up. Changes in v2: - Fixed build error due to partial clean up Signed-off-by: Sravanthi Kollukuduru --- drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 157 ++++++++++------------- drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h | 4 +- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 13 +- drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c | 47 ++----- drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h | 68 ---------- drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h | 21 +-- 6 files changed, 86 insertions(+), 224 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c index 41c5191f9056..4ee6f0dd14f7 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c @@ -90,7 +90,6 @@ static void _dpu_core_perf_calc_crtc(struct dpu_kms *kms, struct dpu_core_perf_params *perf) { struct dpu_crtc_state *dpu_cstate; - int i; if (!kms || !kms->catalog || !crtc || !state || !perf) { DPU_ERROR("invalid parameters\n"); @@ -101,35 +100,24 @@ static void _dpu_core_perf_calc_crtc(struct dpu_kms *kms, memset(perf, 0, sizeof(struct dpu_core_perf_params)); if (!dpu_cstate->bw_control) { - for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { - perf->bw_ctl[i] = kms->catalog->perf.max_bw_high * + perf->bw_ctl = kms->catalog->perf.max_bw_high * 1000ULL; - perf->max_per_pipe_ib[i] = perf->bw_ctl[i]; - } + perf->max_per_pipe_ib = perf->bw_ctl; perf->core_clk_rate = kms->perf.max_core_clk_rate; } else if (kms->perf.perf_tune.mode == DPU_PERF_MODE_MINIMUM) { - for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { - perf->bw_ctl[i] = 0; - perf->max_per_pipe_ib[i] = 0; - } + perf->bw_ctl = 0; + perf->max_per_pipe_ib = 0; perf->core_clk_rate = 0; } else if (kms->perf.perf_tune.mode == DPU_PERF_MODE_FIXED) { - for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { - perf->bw_ctl[i] = kms->perf.fix_core_ab_vote; - perf->max_per_pipe_ib[i] = kms->perf.fix_core_ib_vote; - } + perf->bw_ctl = kms->perf.fix_core_ab_vote; + perf->max_per_pipe_ib = kms->perf.fix_core_ib_vote; perf->core_clk_rate = kms->perf.fix_core_clk_rate; } DPU_DEBUG( - "crtc=%d clk_rate=%llu core_ib=%llu core_ab=%llu llcc_ib=%llu llcc_ab=%llu mem_ib=%llu mem_ab=%llu\n", + "crtc=%d clk_rate=%llu core_ib=%llu core_ab=%llu\n", crtc->base.id, perf->core_clk_rate, - perf->max_per_pipe_ib[DPU_POWER_HANDLE_DBUS_ID_MNOC], - perf->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_MNOC], - perf->max_per_pipe_ib[DPU_POWER_HANDLE_DBUS_ID_LLCC], - perf->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_LLCC], - perf->max_per_pipe_ib[DPU_POWER_HANDLE_DBUS_ID_EBI], - perf->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_EBI]); + perf->max_per_pipe_ib, perf->bw_ctl); } int dpu_core_perf_crtc_check(struct drm_crtc *crtc, @@ -142,7 +130,6 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc, struct dpu_crtc_state *dpu_cstate; struct drm_crtc *tmp_crtc; struct dpu_kms *kms; - int i; if (!crtc || !state) { DPU_ERROR("invalid crtc\n"); @@ -164,31 +151,28 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc, /* obtain new values */ _dpu_core_perf_calc_crtc(kms, crtc, state, &dpu_cstate->new_perf); - for (i = DPU_POWER_HANDLE_DBUS_ID_MNOC; - i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { - bw_sum_of_intfs = dpu_cstate->new_perf.bw_ctl[i]; - curr_client_type = dpu_crtc_get_client_type(crtc); + bw_sum_of_intfs = dpu_cstate->new_perf.bw_ctl; + curr_client_type = dpu_crtc_get_client_type(crtc); - drm_for_each_crtc(tmp_crtc, crtc->dev) { - if (_dpu_core_perf_crtc_is_power_on(tmp_crtc) && - (dpu_crtc_get_client_type(tmp_crtc) == - curr_client_type) && - (tmp_crtc != crtc)) { - struct dpu_crtc_state *tmp_cstate = - to_dpu_crtc_state(tmp_crtc->state); - - DPU_DEBUG("crtc:%d bw:%llu ctrl:%d\n", - tmp_crtc->base.id, - tmp_cstate->new_perf.bw_ctl[i], - tmp_cstate->bw_control); - /* - * For bw check only use the bw if the - * atomic property has been already set - */ - if (tmp_cstate->bw_control) - bw_sum_of_intfs += - tmp_cstate->new_perf.bw_ctl[i]; - } + drm_for_each_crtc(tmp_crtc, crtc->dev) { + if (_dpu_core_perf_crtc_is_power_on(tmp_crtc) && + (dpu_crtc_get_client_type(tmp_crtc) == + curr_client_type) && + (tmp_crtc != crtc)) { + struct dpu_crtc_state *tmp_cstate = + to_dpu_crtc_state(tmp_crtc->state); + + DPU_DEBUG("crtc:%d bw:%llu ctrl:%d\n", + tmp_crtc->base.id, + tmp_cstate->new_perf.bw_ctl, + tmp_cstate->bw_control); + /* + * For bw check only use the bw if the + * atomic property has been already set + */ + if (tmp_cstate->bw_control) + bw_sum_of_intfs += + tmp_cstate->new_perf.bw_ctl; } /* convert bandwidth to kb */ @@ -219,9 +203,9 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc, } static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms, - struct drm_crtc *crtc, u32 bus_id) + struct drm_crtc *crtc) { - struct dpu_core_perf_params perf = { { 0 } }; + struct dpu_core_perf_params perf = { 0 }; enum dpu_crtc_client_type curr_client_type = dpu_crtc_get_client_type(crtc); struct drm_crtc *tmp_crtc; @@ -234,13 +218,12 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms, dpu_crtc_get_client_type(tmp_crtc)) { dpu_cstate = to_dpu_crtc_state(tmp_crtc->state); - perf.max_per_pipe_ib[bus_id] = - max(perf.max_per_pipe_ib[bus_id], - dpu_cstate->new_perf.max_per_pipe_ib[bus_id]); + perf.max_per_pipe_ib = + max(perf.max_per_pipe_ib, + dpu_cstate->new_perf.max_per_pipe_ib); - DPU_DEBUG("crtc=%d bus_id=%d bw=%llu\n", - tmp_crtc->base.id, bus_id, - dpu_cstate->new_perf.bw_ctl[bus_id]); + DPU_DEBUG("crtc=%d bw=%llu\n", + tmp_crtc->base.id, dpu_cstate->new_perf.bw_ctl); } } return ret; @@ -260,7 +243,6 @@ void dpu_core_perf_crtc_release_bw(struct drm_crtc *crtc) struct dpu_crtc *dpu_crtc; struct dpu_crtc_state *dpu_cstate; struct dpu_kms *kms; - int i; if (!crtc) { DPU_ERROR("invalid crtc\n"); @@ -296,10 +278,8 @@ void dpu_core_perf_crtc_release_bw(struct drm_crtc *crtc) if (kms->perf.enable_bw_release) { trace_dpu_cmd_release_bw(crtc->base.id); DPU_DEBUG("Release BW crtc=%d\n", crtc->base.id); - for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { - dpu_crtc->cur_perf.bw_ctl[i] = 0; - _dpu_core_perf_crtc_update_bus(kms, crtc, i); - } + dpu_crtc->cur_perf.bw_ctl = 0; + _dpu_core_perf_crtc_update_bus(kms, crtc); } } @@ -342,11 +322,10 @@ int dpu_core_perf_crtc_update(struct drm_crtc *crtc, int params_changed, bool stop_req) { struct dpu_core_perf_params *new, *old; - int update_bus = 0, update_clk = 0; + bool update_bus = false, update_clk = false; u64 clk_rate = 0; struct dpu_crtc *dpu_crtc; struct dpu_crtc_state *dpu_cstate; - int i; struct msm_drm_private *priv; struct dpu_kms *kms; int ret; @@ -373,7 +352,6 @@ int dpu_core_perf_crtc_update(struct drm_crtc *crtc, new = &dpu_cstate->new_perf; if (_dpu_core_perf_crtc_is_power_on(crtc) && !stop_req) { - for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { /* * cases for bus bandwidth update. * 1. new bandwidth vote - "ab or ib vote" is higher @@ -381,23 +359,22 @@ int dpu_core_perf_crtc_update(struct drm_crtc *crtc, * 2. new bandwidth vote - "ab or ib vote" is lower * than current vote at end of commit or stop. */ - if ((params_changed && ((new->bw_ctl[i] > - old->bw_ctl[i]) || - (new->max_per_pipe_ib[i] > - old->max_per_pipe_ib[i]))) || - (!params_changed && ((new->bw_ctl[i] < - old->bw_ctl[i]) || - (new->max_per_pipe_ib[i] < - old->max_per_pipe_ib[i])))) { + if ((params_changed && ((new->bw_ctl > + old->bw_ctl) || + (new->max_per_pipe_ib > + old->max_per_pipe_ib))) || + (!params_changed && ((new->bw_ctl < + old->bw_ctl) || + (new->max_per_pipe_ib < + old->max_per_pipe_ib)))) { DPU_DEBUG( "crtc=%d p=%d new_bw=%llu,old_bw=%llu\n", crtc->base.id, params_changed, - new->bw_ctl[i], old->bw_ctl[i]); - old->bw_ctl[i] = new->bw_ctl[i]; - old->max_per_pipe_ib[i] = - new->max_per_pipe_ib[i]; - update_bus |= BIT(i); - } + new->bw_ctl, old->bw_ctl); + old->bw_ctl = new->bw_ctl; + old->max_per_pipe_ib = + new->max_per_pipe_ib; + update_bus = true; } if ((params_changed && @@ -405,30 +382,26 @@ int dpu_core_perf_crtc_update(struct drm_crtc *crtc, (!params_changed && (new->core_clk_rate < old->core_clk_rate))) { old->core_clk_rate = new->core_clk_rate; - update_clk = 1; + update_clk = true; } } else { DPU_DEBUG("crtc=%d disable\n", crtc->base.id); memset(old, 0, sizeof(*old)); memset(new, 0, sizeof(*new)); - update_bus = ~0; - update_clk = 1; + update_bus = true; + update_clk = true; } + trace_dpu_perf_crtc_update(crtc->base.id, - new->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_MNOC], - new->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_LLCC], - new->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_EBI], - new->core_clk_rate, stop_req, - update_bus, update_clk); - - for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { - if (update_bus & BIT(i)) { - ret = _dpu_core_perf_crtc_update_bus(kms, crtc, i); - if (ret) { - DPU_ERROR("crtc-%d: failed to update bw vote for bus-%d\n", - crtc->base.id, i); - return ret; - } + new->bw_ctl, new->core_clk_rate, + stop_req, update_bus, update_clk); + + if (update_bus) { + ret = _dpu_core_perf_crtc_update_bus(kms, crtc); + if (ret) { + DPU_ERROR("crtc-%d: failed to update bus bw vote\n", + crtc->base.id); + return ret; } } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h index fbcbe0c7527a..0fb276929dc5 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h @@ -30,8 +30,8 @@ * @core_clk_rate: core clock rate request */ struct dpu_core_perf_params { - u64 max_per_pipe_ib[DPU_POWER_HANDLE_DBUS_ID_MAX]; - u64 bw_ctl[DPU_POWER_HANDLE_DBUS_ID_MAX]; + u64 max_per_pipe_ib; + u64 bw_ctl; u64 core_clk_rate; }; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index c5ba753d441c..841476d77f5c 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1373,21 +1373,14 @@ static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v) { struct drm_crtc *crtc = (struct drm_crtc *) s->private; struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); - int i; seq_printf(s, "client type: %d\n", dpu_crtc_get_client_type(crtc)); seq_printf(s, "intf_mode: %d\n", dpu_crtc_get_intf_mode(crtc)); seq_printf(s, "core_clk_rate: %llu\n", dpu_crtc->cur_perf.core_clk_rate); - for (i = DPU_POWER_HANDLE_DBUS_ID_MNOC; - i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) { - seq_printf(s, "bw_ctl[%s]: %llu\n", - dpu_power_handle_get_dbus_name(i), - dpu_crtc->cur_perf.bw_ctl[i]); - seq_printf(s, "max_per_pipe_ib[%s]: %llu\n", - dpu_power_handle_get_dbus_name(i), - dpu_crtc->cur_perf.max_per_pipe_ib[i]); - } + seq_printf(s, "bw_ctl: %llu\n", dpu_crtc->cur_perf.bw_ctl); + seq_printf(s, "max_per_pipe_ib: %llu\n", + dpu_crtc->cur_perf.max_per_pipe_ib); return 0; } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c index fc14116789f2..d58d01544731 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c @@ -24,20 +24,6 @@ #include "dpu_power_handle.h" #include "dpu_trace.h" -static const char *data_bus_name[DPU_POWER_HANDLE_DBUS_ID_MAX] = { - [DPU_POWER_HANDLE_DBUS_ID_MNOC] = "qcom,dpu-data-bus", - [DPU_POWER_HANDLE_DBUS_ID_LLCC] = "qcom,dpu-llcc-bus", - [DPU_POWER_HANDLE_DBUS_ID_EBI] = "qcom,dpu-ebi-bus", -}; - -const char *dpu_power_handle_get_dbus_name(u32 bus_id) -{ - if (bus_id < DPU_POWER_HANDLE_DBUS_ID_MAX) - return data_bus_name[bus_id]; - - return NULL; -} - static void dpu_power_event_trigger_locked(struct dpu_power_handle *phandle, u32 event_type) { @@ -66,7 +52,6 @@ struct dpu_power_client *dpu_power_client_create( mutex_lock(&phandle->phandle_lock); strlcpy(client->name, client_name, MAX_CLIENT_NAME_LEN); - client->usecase_ndx = VOTE_INDEX_DISABLE; client->id = id; client->active = true; pr_debug("client %s created:%pK id :%d\n", client_name, @@ -143,8 +128,6 @@ int dpu_power_resource_enable(struct dpu_power_handle *phandle, struct dpu_power_client *pclient, bool enable) { bool changed = false; - u32 max_usecase_ndx = VOTE_INDEX_DISABLE, prev_usecase_ndx; - struct dpu_power_client *client; u32 event_type; if (!phandle || !pclient) { @@ -153,31 +136,19 @@ int dpu_power_resource_enable(struct dpu_power_handle *phandle, } mutex_lock(&phandle->phandle_lock); - if (enable) + if (enable) { pclient->refcount++; - else if (pclient->refcount) + if (pclient->refcount == 1) + changed = true; + } else if (pclient->refcount) { pclient->refcount--; - - if (pclient->refcount) - pclient->usecase_ndx = VOTE_INDEX_LOW; - else - pclient->usecase_ndx = VOTE_INDEX_DISABLE; - - list_for_each_entry(client, &phandle->power_client_clist, list) { - if (client->usecase_ndx < VOTE_INDEX_MAX && - client->usecase_ndx > max_usecase_ndx) - max_usecase_ndx = client->usecase_ndx; - } - - if (phandle->current_usecase_ndx != max_usecase_ndx) { - changed = true; - prev_usecase_ndx = phandle->current_usecase_ndx; - phandle->current_usecase_ndx = max_usecase_ndx; + if (!pclient->refcount) + changed = true; } - pr_debug("%pS: changed=%d current idx=%d request client %s id:%u enable:%d refcount:%d\n", - __builtin_return_address(0), changed, max_usecase_ndx, - pclient->name, pclient->id, enable, pclient->refcount); + pr_debug("%pS:changed=%d client %s id:%u enable:%d refcount:%d\n", + __builtin_return_address(0), changed, pclient->name, + pclient->id, enable, pclient->refcount); if (!changed) goto end; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h index a65b7a297f21..b1a5ae4d6f4e 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h @@ -16,76 +16,28 @@ #define MAX_CLIENT_NAME_LEN 128 -#define DPU_POWER_HANDLE_ENABLE_BUS_AB_QUOTA 0 -#define DPU_POWER_HANDLE_DISABLE_BUS_AB_QUOTA 0 -#define DPU_POWER_HANDLE_ENABLE_BUS_IB_QUOTA 1600000000 -#define DPU_POWER_HANDLE_DISABLE_BUS_IB_QUOTA 0 - #include "dpu_io_util.h" /* events will be triggered on power handler enable/disable */ #define DPU_POWER_EVENT_DISABLE BIT(0) #define DPU_POWER_EVENT_ENABLE BIT(1) -/** - * mdss_bus_vote_type: register bus vote type - * VOTE_INDEX_DISABLE: removes the client vote - * VOTE_INDEX_LOW: keeps the lowest vote for register bus - * VOTE_INDEX_MAX: invalid - */ -enum mdss_bus_vote_type { - VOTE_INDEX_DISABLE, - VOTE_INDEX_LOW, - VOTE_INDEX_MAX, -}; - -/** - * enum dpu_power_handle_data_bus_client - type of axi bus clients - * @DPU_POWER_HANDLE_DATA_BUS_CLIENT_RT: core real-time bus client - * @DPU_POWER_HANDLE_DATA_BUS_CLIENT_NRT: core non-real-time bus client - * @DPU_POWER_HANDLE_DATA_BUS_CLIENT_MAX: maximum number of bus client type - */ -enum dpu_power_handle_data_bus_client { - DPU_POWER_HANDLE_DATA_BUS_CLIENT_RT, - DPU_POWER_HANDLE_DATA_BUS_CLIENT_NRT, - DPU_POWER_HANDLE_DATA_BUS_CLIENT_MAX -}; - -/** - * enum DPU_POWER_HANDLE_DBUS_ID - data bus identifier - * @DPU_POWER_HANDLE_DBUS_ID_MNOC: DPU/MNOC data bus - * @DPU_POWER_HANDLE_DBUS_ID_LLCC: MNOC/LLCC data bus - * @DPU_POWER_HANDLE_DBUS_ID_EBI: LLCC/EBI data bus - */ -enum DPU_POWER_HANDLE_DBUS_ID { - DPU_POWER_HANDLE_DBUS_ID_MNOC, - DPU_POWER_HANDLE_DBUS_ID_LLCC, - DPU_POWER_HANDLE_DBUS_ID_EBI, - DPU_POWER_HANDLE_DBUS_ID_MAX, -}; - /** * struct dpu_power_client: stores the power client for dpu driver * @name: name of the client - * @usecase_ndx: current regs bus vote type * @refcount: current refcount if multiple modules are using same * same client for enable/disable. Power module will * aggregate the refcount and vote accordingly for this * client. * @id: assigned during create. helps for debugging. * @list: list to attach power handle master list - * @ab: arbitrated bandwidth for each bus client - * @ib: instantaneous bandwidth for each bus client * @active: inidcates the state of dpu power handle */ struct dpu_power_client { char name[MAX_CLIENT_NAME_LEN]; - short usecase_ndx; short refcount; u32 id; struct list_head list; - u64 ab[DPU_POWER_HANDLE_DATA_BUS_CLIENT_MAX]; - u64 ib[DPU_POWER_HANDLE_DATA_BUS_CLIENT_MAX]; bool active; }; @@ -112,14 +64,12 @@ struct dpu_power_event { * @client_clist: master list to store all clients * @phandle_lock: lock to synchronize the enable/disable * @dev: pointer to device structure - * @usecase_ndx: current usecase index * @event_list: current power handle event list */ struct dpu_power_handle { struct list_head power_client_clist; struct mutex phandle_lock; struct device *dev; - u32 current_usecase_ndx; struct list_head event_list; }; @@ -172,17 +122,6 @@ void dpu_power_client_destroy(struct dpu_power_handle *phandle, int dpu_power_resource_enable(struct dpu_power_handle *pdata, struct dpu_power_client *pclient, bool enable); -/** - * dpu_power_data_bus_bandwidth_ctrl() - control data bus bandwidth enable - * @phandle: power handle containing the resources - * @client: client information to bandwidth control - * @enable: true to enable bandwidth for data base - * - * Return: none - */ -void dpu_power_data_bus_bandwidth_ctrl(struct dpu_power_handle *phandle, - struct dpu_power_client *pclient, int enable); - /** * dpu_power_handle_register_event - register a callback function for an event. * Clients can register for multiple events with a single register. @@ -207,11 +146,4 @@ struct dpu_power_event *dpu_power_handle_register_event( void dpu_power_handle_unregister_event(struct dpu_power_handle *phandle, struct dpu_power_event *event); -/** - * dpu_power_handle_get_dbus_name - get name of given data bus identifier - * @bus_id: data bus identifier - * Return: Pointer to name string if success; NULL otherwise - */ -const char *dpu_power_handle_get_dbus_name(u32 bus_id); - #endif /* _DPU_POWER_HANDLE_H_ */ diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h index 0c122e173892..f5ed47a1556a 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h @@ -167,16 +167,13 @@ TRACE_EVENT(dpu_trace_counter, ) TRACE_EVENT(dpu_perf_crtc_update, - TP_PROTO(u32 crtc, u64 bw_ctl_mnoc, u64 bw_ctl_llcc, - u64 bw_ctl_ebi, u32 core_clk_rate, - bool stop_req, u32 update_bus, u32 update_clk), - TP_ARGS(crtc, bw_ctl_mnoc, bw_ctl_llcc, bw_ctl_ebi, core_clk_rate, + TP_PROTO(u32 crtc, u64 bw_ctl, u32 core_clk_rate, + bool stop_req, bool update_bus, bool update_clk), + TP_ARGS(crtc, bw_ctl, core_clk_rate, stop_req, update_bus, update_clk), TP_STRUCT__entry( __field(u32, crtc) - __field(u64, bw_ctl_mnoc) - __field(u64, bw_ctl_llcc) - __field(u64, bw_ctl_ebi) + __field(u64, bw_ctl) __field(u32, core_clk_rate) __field(bool, stop_req) __field(u32, update_bus) @@ -184,20 +181,16 @@ TRACE_EVENT(dpu_perf_crtc_update, ), TP_fast_assign( __entry->crtc = crtc; - __entry->bw_ctl_mnoc = bw_ctl_mnoc; - __entry->bw_ctl_llcc = bw_ctl_llcc; - __entry->bw_ctl_ebi = bw_ctl_ebi; + __entry->bw_ctl = bw_ctl; __entry->core_clk_rate = core_clk_rate; __entry->stop_req = stop_req; __entry->update_bus = update_bus; __entry->update_clk = update_clk; ), TP_printk( - "crtc=%d bw_mnoc=%llu bw_llcc=%llu bw_ebi=%llu clk_rate=%u stop_req=%d u_bus=%d u_clk=%d", + "crtc=%d bw_ctl=%llu clk_rate=%u stop_req=%d u_bus=%d u_clk=%d", __entry->crtc, - __entry->bw_ctl_mnoc, - __entry->bw_ctl_llcc, - __entry->bw_ctl_ebi, + __entry->bw_ctl, __entry->core_clk_rate, __entry->stop_req, __entry->update_bus, From patchwork Wed Oct 10 09:24:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sravanthi Kollukuduru X-Patchwork-Id: 10634273 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CC56513AD for ; Wed, 10 Oct 2018 09:25:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AF1652904B for ; Wed, 10 Oct 2018 09:25:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A331429098; Wed, 10 Oct 2018 09:25:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3A727290E2 for ; Wed, 10 Oct 2018 09:25:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BA88689FC3; Wed, 10 Oct 2018 09:25:04 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id D93EE89FA9; Wed, 10 Oct 2018 09:25:02 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 972E860B7A; Wed, 10 Oct 2018 09:25:01 +0000 (UTC) Received: from skolluku-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: skolluku@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 270F660B7A; Wed, 10 Oct 2018 09:24:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 270F660B7A From: Sravanthi Kollukuduru To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v2 2/3] drm/msm/dpu: Integrate interconnect API in MDSS Date: Wed, 10 Oct 2018 14:54:33 +0530 Message-Id: <20181010092434.853-3-skolluku@codeaurora.org> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20181010092434.853-1-skolluku@codeaurora.org> References: <20181010092434.853-1-skolluku@codeaurora.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sean@poorly.run, seanpaul@chromium.org, Sravanthi Kollukuduru MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The interconnect framework is designed to provide a standard kernel interface to control the settings of the interconnects on a SoC. The interconnect API uses a consumer/provider-based model, where the providers are the interconnect buses and the consumers could be various drivers. MDSS is one of the interconnect consumers which uses the interconnect APIs to get the path between endpoints and set its bandwidth/latency/QoS requirements for the given interconnected path. Changes in v2: - Remove error log and unnecessary check (Jordan Crouse) Signed-off-by: Sravanthi Kollukuduru --- drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 50 +++++++++++++++++++++++++++++--- 1 file changed, 46 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c index 2235ef8129f4..27c2594e5133 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c @@ -4,6 +4,7 @@ */ #include "dpu_kms.h" +#include #define to_dpu_mdss(x) container_of(x, struct dpu_mdss, base) @@ -16,8 +17,33 @@ struct dpu_mdss { u32 hwversion; struct dss_module_power mp; struct dpu_irq_controller irq_controller; + struct icc_path *path[2]; + u32 num_paths; }; +static int dpu_mdss_parse_data_bus_icc_path( + struct drm_device *dev, struct dpu_mdss *dpu_mdss) +{ + struct icc_path *path0 = of_icc_get(dev->dev, "port0"); + struct icc_path *path1 = of_icc_get(dev->dev, "port1"); + int total_num_paths = 0; + + if (IS_ERR(path0)) + return PTR_ERR(path0); + + dpu_mdss->path[0] = path0; + total_num_paths = 1; + + if (!IS_ERR(path1)) { + dpu_mdss->path[1] = path1; + total_num_paths++; + } + + dpu_mdss->num_paths = total_num_paths; + + return 0; +} + static irqreturn_t dpu_mdss_irq(int irq, void *arg) { struct dpu_mdss *dpu_mdss = arg; @@ -127,7 +153,12 @@ static int dpu_mdss_enable(struct msm_mdss *mdss) { struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); struct dss_module_power *mp = &dpu_mdss->mp; - int ret; + int ret, i; + u64 ab = (dpu_mdss->num_paths) ? 6800000000/dpu_mdss->num_paths : 0; + u64 ib = 6800000000; + + for (i = 0; i < dpu_mdss->num_paths; i++) + icc_set(dpu_mdss->path[i], ab, ib); ret = msm_dss_enable_clk(mp->clk_config, mp->num_clk, true); if (ret) @@ -140,12 +171,15 @@ static int dpu_mdss_disable(struct msm_mdss *mdss) { struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); struct dss_module_power *mp = &dpu_mdss->mp; - int ret; + int ret, i; ret = msm_dss_enable_clk(mp->clk_config, mp->num_clk, false); if (ret) DPU_ERROR("clock disable failed, ret:%d\n", ret); + for (i = 0; i < dpu_mdss->num_paths; i++) + icc_set(dpu_mdss->path[i], 0, 0); + return ret; } @@ -155,6 +189,7 @@ static void dpu_mdss_destroy(struct drm_device *dev) struct msm_drm_private *priv = dev->dev_private; struct dpu_mdss *dpu_mdss = to_dpu_mdss(priv->mdss); struct dss_module_power *mp = &dpu_mdss->mp; + int i; _dpu_mdss_irq_domain_fini(dpu_mdss); @@ -163,6 +198,9 @@ static void dpu_mdss_destroy(struct drm_device *dev) msm_dss_put_clk(mp->clk_config, mp->num_clk); devm_kfree(&pdev->dev, mp->clk_config); + for (i = 0; i < dpu_mdss->num_paths; i++) + icc_put(dpu_mdss->path[i]); + if (dpu_mdss->mmio) devm_iounmap(&pdev->dev, dpu_mdss->mmio); dpu_mdss->mmio = NULL; @@ -203,6 +241,10 @@ int dpu_mdss_init(struct drm_device *dev) } dpu_mdss->mmio_len = resource_size(res); + ret = dpu_mdss_parse_data_bus_icc_path(dev, dpu_mdss); + if (ret) + return ret; + mp = &dpu_mdss->mp; ret = msm_dss_parse_clock(pdev, mp); if (ret) { @@ -224,14 +266,14 @@ int dpu_mdss_init(struct drm_device *dev) goto irq_error; } + priv->mdss = &dpu_mdss->base; + pm_runtime_enable(dev->dev); pm_runtime_get_sync(dev->dev); dpu_mdss->hwversion = readl_relaxed(dpu_mdss->mmio); pm_runtime_put_sync(dev->dev); - priv->mdss = &dpu_mdss->base; - return ret; irq_error: From patchwork Wed Oct 10 09:24:34 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sravanthi Kollukuduru X-Patchwork-Id: 10634277 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 135EC5CAF for ; Wed, 10 Oct 2018 09:25:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 01FDA2904B for ; Wed, 10 Oct 2018 09:25:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EAC02291EF; Wed, 10 Oct 2018 09:25:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A0F6A2904B for ; Wed, 10 Oct 2018 09:25:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DD99189FE3; Wed, 10 Oct 2018 09:25:09 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id DF03E89FDD; Wed, 10 Oct 2018 09:25:07 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 700D060C88; Wed, 10 Oct 2018 09:25:07 +0000 (UTC) Received: from skolluku-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: skolluku@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id A3F7F60C83; Wed, 10 Oct 2018 09:25:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A3F7F60C83 From: Sravanthi Kollukuduru To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v2 3/3] dt-bindings: msm/disp: Introduce interconnect bindings for MDSS on SDM845 Date: Wed, 10 Oct 2018 14:54:34 +0530 Message-Id: <20181010092434.853-4-skolluku@codeaurora.org> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20181010092434.853-1-skolluku@codeaurora.org> References: <20181010092434.853-1-skolluku@codeaurora.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sean@poorly.run, seanpaul@chromium.org, Sravanthi Kollukuduru MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add interconnect properties such as interconnect provider specifier , the edge source and destination ports which are required by the interconnect API to configure interconnect path for MDSS. Changes in v2: -none Signed-off-by: Sravanthi Kollukuduru --- Documentation/devicetree/bindings/display/msm/dpu.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/dpu.txt b/Documentation/devicetree/bindings/display/msm/dpu.txt index ad2e8830324e..abd4d99b5030 100644 --- a/Documentation/devicetree/bindings/display/msm/dpu.txt +++ b/Documentation/devicetree/bindings/display/msm/dpu.txt @@ -28,6 +28,11 @@ Required properties: - #address-cells: number of address cells for the MDSS children. Should be 1. - #size-cells: Should be 1. - ranges: parent bus address space is the same as the child bus address space. +- interconnects : pairs of phandles and interconnect provider specifier to + denote the edge source and destination ports of the interconnect path. +- interconnect-names : list of interconnect path name strings sorted in the + same order as the interconnects property. Consumers drivers will use + interconnect-names to match interconnect paths with interconnect specifiers. Optional properties: - assigned-clocks: list of clock specifiers for clocks needing rate assignment @@ -86,6 +91,9 @@ Example: interrupt-controller; #interrupt-cells = <1>; + interconnects = <&qnoc 38 &qnoc 512>; + interconnect-names = "port0"; + iommus = <&apps_iommu 0>; #address-cells = <2>;