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Tue, 24 Sep 2024 22:59:55 GMT Received: from jesszhan-linux.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Tue, 24 Sep 2024 15:59:54 -0700 From: Jessica Zhang Date: Tue, 24 Sep 2024 15:59:19 -0700 Subject: [PATCH v2 03/22] drm/msm/dpu: get rid of struct dpu_rm_requirements Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240924-concurrent-wb-v2-3-7849f900e863@quicinc.com> References: <20240924-concurrent-wb-v2-0-7849f900e863@quicinc.com> In-Reply-To: <20240924-concurrent-wb-v2-0-7849f900e863@quicinc.com> To: Rob Clark , Dmitry Baryshkov , , Sean Paul , Marijn Suijten , "David Airlie" , Daniel Vetter , "Maarten Lankhorst" , Maxime Ripard , Thomas Zimmermann CC: , , , , , Rob Clark , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , "Jessica Zhang" X-Mailer: b4 0.15-dev-99b12 X-Developer-Signature: v=1; a=ed25519-sha256; t=1727218793; l=8793; i=quic_jesszhan@quicinc.com; s=20230329; h=from:subject:message-id; bh=BtjfoFa7Sc1KYJR0US8P5QJOsTWJhBDWuRPihcWh590=; b=ylc6nvH1yNtXSIuBGkagH0Tj/6/Kaulus05u9KrbTjbkEi1y4ZsC2SgAHl0X7aJLhbEyUm+l6 15k9/y5MUyRAcfj8UOSoWdcZxu43y1rdWAzNgoI/ANJmHwwHDvxZ64S X-Developer-Key: i=quic_jesszhan@quicinc.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: vEkSxPhjLa4CwNVEo-nUkFq6aKnfNTdH X-Proofpoint-ORIG-GUID: vEkSxPhjLa4CwNVEo-nUkFq6aKnfNTdH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 adultscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 mlxscore=0 mlxlogscore=999 impostorscore=0 phishscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409240160 From: Dmitry Baryshkov The struct dpu_rm_requirements was used to wrap display topology and hw resources, which meant INTF indices. As of commit ef58e0ad3436 ("drm/msm/dpu: get INTF blocks directly rather than through RM") the hw resources struct was removed, leaving struct dpu_rm_requirements containing a single field (topology). Remove the useless wrapper. Signed-off-by: Dmitry Baryshkov Signed-off-by: Jessica Zhang --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 71 ++++++++++------------------- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 2 +- 3 files changed, 25 insertions(+), 50 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 3b171bf227d1..6293e716a1c3 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -691,7 +691,7 @@ static int dpu_encoder_virt_atomic_check( if (!crtc_state->active_changed || crtc_state->enable) ret = dpu_rm_reserve(&dpu_kms->rm, global_state, - drm_enc, crtc_state, topology); + drm_enc, crtc_state, &topology); } trace_dpu_enc_atomic_check_flags(DRMID(drm_enc), adj_mode->flags); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index 44938ba7a2b7..8193c3d579df 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -4,6 +4,7 @@ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. */ +#include "msm_drv.h" #define pr_fmt(fmt) "[drm:%s] " fmt, __func__ #include "dpu_kms.h" #include "dpu_hw_lm.h" @@ -26,14 +27,6 @@ static inline bool reserved_by_other(uint32_t *res_map, int idx, return res_map[idx] && res_map[idx] != enc_id; } -/** - * struct dpu_rm_requirements - Reservation requirements parameter bundle - * @topology: selected topology for the display - */ -struct dpu_rm_requirements { - struct msm_display_topology topology; -}; - int dpu_rm_init(struct drm_device *dev, struct dpu_rm *rm, const struct dpu_mdss_cfg *cat, @@ -231,14 +224,13 @@ static int _dpu_rm_get_lm_peer(struct dpu_rm *rm, int primary_idx) * mixer in rm->pingpong_blks[]. * @dspp_idx: output parameter, index of dspp block attached to the layer * mixer in rm->dspp_blks[]. - * @reqs: input parameter, rm requirements for HW blocks needed in the - * datapath. + * @topology: selected topology for the display * Return: true if lm matches all requirements, false otherwise */ static bool _dpu_rm_check_lm_and_get_connected_blks(struct dpu_rm *rm, struct dpu_global_state *global_state, uint32_t enc_id, int lm_idx, int *pp_idx, int *dspp_idx, - struct dpu_rm_requirements *reqs) + struct msm_display_topology *topology) { const struct dpu_lm_cfg *lm_cfg; int idx; @@ -263,7 +255,7 @@ static bool _dpu_rm_check_lm_and_get_connected_blks(struct dpu_rm *rm, } *pp_idx = idx; - if (!reqs->topology.num_dspp) + if (!topology->num_dspp) return true; idx = lm_cfg->dspp - DSPP_0; @@ -285,7 +277,7 @@ static bool _dpu_rm_check_lm_and_get_connected_blks(struct dpu_rm *rm, static int _dpu_rm_reserve_lms(struct dpu_rm *rm, struct dpu_global_state *global_state, uint32_t enc_id, - struct dpu_rm_requirements *reqs) + struct msm_display_topology *topology) { int lm_idx[MAX_BLOCKS]; @@ -293,14 +285,14 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm, int dspp_idx[MAX_BLOCKS] = {0}; int i, lm_count = 0; - if (!reqs->topology.num_lm) { - DPU_ERROR("invalid number of lm: %d\n", reqs->topology.num_lm); + if (!topology->num_lm) { + DPU_ERROR("invalid number of lm: %d\n", topology->num_lm); return -EINVAL; } /* Find a primary mixer */ for (i = 0; i < ARRAY_SIZE(rm->mixer_blks) && - lm_count < reqs->topology.num_lm; i++) { + lm_count < topology->num_lm; i++) { if (!rm->mixer_blks[i]) continue; @@ -309,14 +301,14 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm, if (!_dpu_rm_check_lm_and_get_connected_blks(rm, global_state, enc_id, i, &pp_idx[lm_count], - &dspp_idx[lm_count], reqs)) { + &dspp_idx[lm_count], topology)) { continue; } ++lm_count; /* Valid primary mixer found, find matching peers */ - if (lm_count < reqs->topology.num_lm) { + if (lm_count < topology->num_lm) { int j = _dpu_rm_get_lm_peer(rm, i); /* ignore the peer if there is an error or if the peer was already processed */ @@ -329,7 +321,7 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm, if (!_dpu_rm_check_lm_and_get_connected_blks(rm, global_state, enc_id, j, &pp_idx[lm_count], &dspp_idx[lm_count], - reqs)) { + topology)) { continue; } @@ -338,7 +330,7 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm, } } - if (lm_count != reqs->topology.num_lm) { + if (lm_count != topology->num_lm) { DPU_DEBUG("unable to find appropriate mixers\n"); return -ENAVAIL; } @@ -347,7 +339,7 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm, global_state->mixer_to_enc_id[lm_idx[i]] = enc_id; global_state->pingpong_to_enc_id[pp_idx[i]] = enc_id; global_state->dspp_to_enc_id[dspp_idx[i]] = - reqs->topology.num_dspp ? enc_id : 0; + topology->num_dspp ? enc_id : 0; trace_dpu_rm_reserve_lms(lm_idx[i] + LM_0, enc_id, pp_idx[i] + PINGPONG_0); @@ -584,28 +576,28 @@ static int _dpu_rm_make_reservation( struct dpu_rm *rm, struct dpu_global_state *global_state, struct drm_encoder *enc, - struct dpu_rm_requirements *reqs) + struct msm_display_topology *topology) { int ret; - ret = _dpu_rm_reserve_lms(rm, global_state, enc->base.id, reqs); + ret = _dpu_rm_reserve_lms(rm, global_state, enc->base.id, topology); if (ret) { DPU_ERROR("unable to find appropriate mixers\n"); return ret; } ret = _dpu_rm_reserve_ctls(rm, global_state, enc->base.id, - &reqs->topology); + topology); if (ret) { DPU_ERROR("unable to find appropriate CTL\n"); return ret; } - ret = _dpu_rm_reserve_dsc(rm, global_state, enc, &reqs->topology); + ret = _dpu_rm_reserve_dsc(rm, global_state, enc, topology); if (ret) return ret; - if (reqs->topology.needs_cdm) { + if (topology->needs_cdm) { ret = _dpu_rm_reserve_cdm(rm, global_state, enc); if (ret) { DPU_ERROR("unable to find CDM blk\n"); @@ -616,20 +608,6 @@ static int _dpu_rm_make_reservation( return ret; } -static int _dpu_rm_populate_requirements( - struct drm_encoder *enc, - struct dpu_rm_requirements *reqs, - struct msm_display_topology req_topology) -{ - reqs->topology = req_topology; - - DRM_DEBUG_KMS("num_lm: %d num_dsc: %d num_intf: %d cdm: %d\n", - reqs->topology.num_lm, reqs->topology.num_dsc, - reqs->topology.num_intf, reqs->topology.needs_cdm); - - return 0; -} - static void _dpu_rm_clear_mapping(uint32_t *res_mapping, int cnt, uint32_t enc_id) { @@ -662,9 +640,8 @@ int dpu_rm_reserve( struct dpu_global_state *global_state, struct drm_encoder *enc, struct drm_crtc_state *crtc_state, - struct msm_display_topology topology) + struct msm_display_topology *topology) { - struct dpu_rm_requirements reqs; int ret; /* Check if this is just a page-flip */ @@ -679,13 +656,11 @@ int dpu_rm_reserve( DRM_DEBUG_KMS("reserving hw for enc %d crtc %d\n", enc->base.id, crtc_state->crtc->base.id); - ret = _dpu_rm_populate_requirements(enc, &reqs, topology); - if (ret) { - DPU_ERROR("failed to populate hw requirements\n"); - return ret; - } + DRM_DEBUG_KMS("num_lm: %d num_dsc: %d num_intf: %d\n", + topology->num_lm, topology->num_dsc, + topology->num_intf); - ret = _dpu_rm_make_reservation(rm, global_state, enc, &reqs); + ret = _dpu_rm_make_reservation(rm, global_state, enc, topology); if (ret) DPU_ERROR("failed to reserve hw resources: %d\n", ret); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h index e63db8ace6b9..62cc2edd2ee0 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -70,7 +70,7 @@ int dpu_rm_reserve(struct dpu_rm *rm, struct dpu_global_state *global_state, struct drm_encoder *drm_enc, struct drm_crtc_state *crtc_state, - struct msm_display_topology topology); + struct msm_display_topology *topology); /** * dpu_rm_reserve - Given the encoder for the display chain, release any