From patchwork Thu Oct 7 07:08:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 12541077 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5E26C433FE for ; Thu, 7 Oct 2021 07:09:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ADE6E611C1 for ; Thu, 7 Oct 2021 07:09:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240336AbhJGHL2 (ORCPT ); Thu, 7 Oct 2021 03:11:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:40628 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240353AbhJGHL0 (ORCPT ); Thu, 7 Oct 2021 03:11:26 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A690C611C1; Thu, 7 Oct 2021 07:09:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633590573; bh=H9s9bm9z+KcQ1sSO6qfHz+y8l3giP3kBGaePIrkBE6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kaqeiW5gv6EhwwBC5IdxN/kPD4OZ98OkvMPGRO07PVCLszONtqDyfbpjViJRuZNAX 6j9yqlhiChPUxpAx195q+lxbkfbju1gvLwNZ/o392yghwnPVTIGWxJtsE/TOfPzlsG EtQH9zrDbdEanV4/FqbIY0KTrezF0WGgdnEpmAY/TPWvz9dKOW6h15ucmQaQmLrCk/ NcEuW0lMA1SgaA09CD5Sn7qkXfspFJUfcOURmIn+sDi0+dLXuVOp2RRFMCj3FzF8zK S5tLG2mKABJI4UouHt1gaQcBlub0pt/Ps1FPDevcPYXzvX1HyEnn2fGaxM/q4V0UhY o2F9Cf9vRi28A== From: Vinod Koul To: Rob Clark Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vinod Koul , David Airlie , Daniel Vetter , Jonathan Marek , Dmitry Baryshkov , Abhinav Kumar , Jeffrey Hugo , Sumit Semwal , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH v2 04/11] drm/msm/disp/dpu1: Add DSC support in RM Date: Thu, 7 Oct 2021 12:38:53 +0530 Message-Id: <20211007070900.456044-5-vkoul@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211007070900.456044-1-vkoul@kernel.org> References: <20211007070900.456044-1-vkoul@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This add the bits in RM to enable the DSC blocks Signed-off-by: Vinod Koul --- Changes since v1: - Add _dpu_rm_reserve_dsc() function which checks if DSC is enabled - Fix to use dsc_blks drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 + drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 61 +++++++++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 1 + 3 files changed, 63 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 323a6bce9e64..da646817585d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -159,6 +159,7 @@ struct dpu_global_state { uint32_t ctl_to_enc_id[CTL_MAX - CTL_0]; uint32_t intf_to_enc_id[INTF_MAX - INTF_0]; uint32_t dspp_to_enc_id[DSPP_MAX - DSPP_0]; + uint32_t dsc_to_enc_id[DSC_MAX - DSC_0]; }; struct dpu_global_state diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index f9c83d6e427a..95bdabc16280 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -11,6 +11,7 @@ #include "dpu_hw_intf.h" #include "dpu_hw_dspp.h" #include "dpu_hw_merge3d.h" +#include "dpu_hw_dsc.h" #include "dpu_encoder.h" #include "dpu_trace.h" @@ -75,6 +76,14 @@ int dpu_rm_destroy(struct dpu_rm *rm) dpu_hw_intf_destroy(hw); } } + for (i = 0; i < ARRAY_SIZE(rm->dsc_blks); i++) { + struct dpu_hw_dsc *hw; + + if (rm->dsc_blks[i]) { + hw = to_dpu_hw_dsc(rm->dsc_blks[i]); + dpu_hw_dsc_destroy(hw); + } + } return 0; } @@ -221,6 +230,19 @@ int dpu_rm_init(struct dpu_rm *rm, rm->dspp_blks[dspp->id - DSPP_0] = &hw->base; } + for (i = 0; i < cat->dsc_count; i++) { + struct dpu_hw_dsc *hw; + const struct dpu_dsc_cfg *dsc = &cat->dsc[i]; + + hw = dpu_hw_dsc_init(dsc->id, mmio, cat); + if (IS_ERR_OR_NULL(hw)) { + rc = PTR_ERR(hw); + DPU_ERROR("failed dsc object creation: err %d\n", rc); + goto fail; + } + rm->dsc_blks[dsc->id - DSC_0] = &hw->base; + } + return 0; fail: @@ -476,6 +498,7 @@ static int _dpu_rm_reserve_intf( } global_state->intf_to_enc_id[idx] = enc_id; + return 0; } @@ -500,6 +523,33 @@ static int _dpu_rm_reserve_intf_related_hw( return ret; } +static int _dpu_rm_reserve_dsc(struct dpu_rm *rm, + struct dpu_global_state *global_state, + struct drm_encoder *enc) +{ + struct msm_drm_private *priv; + + priv = enc->dev->dev_private; + + if (!priv) + return -EIO; + + /* check if DSC is supported */ + if (!priv->dsc) + return 0; + + /* check if DSC 0 & 1 and allocated or not */ + if (global_state->dsc_to_enc_id[0] || global_state->dsc_to_enc_id[1]) { + DPU_ERROR("DSC 0|1 is already allocated\n"); + return -EIO; + } + + global_state->dsc_to_enc_id[0] = enc->base.id; + global_state->dsc_to_enc_id[1] = enc->base.id; + + return 0; +} + static int _dpu_rm_make_reservation( struct dpu_rm *rm, struct dpu_global_state *global_state, @@ -526,6 +576,10 @@ static int _dpu_rm_make_reservation( if (ret) return ret; + ret = _dpu_rm_reserve_dsc(rm, global_state, enc); + if (ret) + return ret; + return ret; } @@ -567,6 +621,8 @@ void dpu_rm_release(struct dpu_global_state *global_state, ARRAY_SIZE(global_state->ctl_to_enc_id), enc->base.id); _dpu_rm_clear_mapping(global_state->intf_to_enc_id, ARRAY_SIZE(global_state->intf_to_enc_id), enc->base.id); + _dpu_rm_clear_mapping(global_state->dsc_to_enc_id, + ARRAY_SIZE(global_state->dsc_to_enc_id), enc->base.id); } int dpu_rm_reserve( @@ -640,6 +696,11 @@ int dpu_rm_get_assigned_resources(struct dpu_rm *rm, hw_to_enc_id = global_state->dspp_to_enc_id; max_blks = ARRAY_SIZE(rm->dspp_blks); break; + case DPU_HW_BLK_DSC: + hw_blks = rm->dsc_blks; + hw_to_enc_id = global_state->dsc_to_enc_id; + max_blks = ARRAY_SIZE(rm->dsc_blks); + break; default: DPU_ERROR("blk type %d not managed by rm\n", type); return 0; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h index 1f12c8d5b8aa..278d2a510b80 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -30,6 +30,7 @@ struct dpu_rm { struct dpu_hw_blk *intf_blks[INTF_MAX - INTF_0]; struct dpu_hw_blk *dspp_blks[DSPP_MAX - DSPP_0]; struct dpu_hw_blk *merge_3d_blks[MERGE_3D_MAX - MERGE_3D_0]; + struct dpu_hw_blk *dsc_blks[DSC_MAX - DSC_0]; uint32_t lm_max_width; };