From patchwork Thu Dec 29 19:18:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 13083745 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DC0EC3DA7D for ; Thu, 29 Dec 2022 19:19:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234004AbiL2TTP (ORCPT ); Thu, 29 Dec 2022 14:19:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233760AbiL2TTN (ORCPT ); Thu, 29 Dec 2022 14:19:13 -0500 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C100D1409F for ; Thu, 29 Dec 2022 11:19:12 -0800 (PST) Received: by mail-lf1-x130.google.com with SMTP id 1so28744083lfz.4 for ; Thu, 29 Dec 2022 11:19:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=2HZvAhIcCvTuY1772qgTfDmlfw3PveCe2fLJ0nn71tE=; b=PSd+ik6NLa/0+70GkPEfL3ZceykxEx9i+s6QpWxeG73sn1Ls8hHObhvLKiqGNCJR5O X7pdk76/98rASjRgDSDn7YKqT1l5BSIQ0Z1sbF/J3ewDG6kASOcXVAVsfxmU8hKxBfq7 P27YnCx/3z4qkyExERlZpNzXjp1Ztxlua77uF8cod4FdYH8YqMeQte79MfTz+vuTYK2L OZJaWOIHK+EHuJ/QCt1QYQusF81zCNcJ87H00QgtaPz/KtsWGJ8Zm3qIpTnDNWqGxSlL 9k3qMrFOWLwl9BIyzvdKfw450Bi68rsEP8NsdTqNMQSJsvEWKP366y27laF06zLm0Nl+ hJjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=2HZvAhIcCvTuY1772qgTfDmlfw3PveCe2fLJ0nn71tE=; b=bn6DdglM86f+CGYLVHlEWREUH5vUCcGHN00KOs+j8XNNGTMYWd1GXLVzA39v2Iwbcq mxr+vhIDOipzrQA2AnpiGWd6t536AGKWnuGO6HBipSEpg7UyDg9hjN8lbUNUx7RUFnWI tUkxbcT4cjNxjzR9anJQT5DMrN9hSKdW+MmJuQWOmvR8FEsN3JNSA9M1EEx0dP3AgWBN QtQuZT6yQfebRsM4jXakF9k25rn1/Q3K2xFH7CYnouJLJcm/xl8ctMigrX7xv0+37fzR w3CPZdL75dN/OlXjZGzR05wFY0jWuZsuel8KrnvE/nDM7RwyxAcwj4ACZi6eVrPVQuWd k5rQ== X-Gm-Message-State: AFqh2kr9nwWAcXFvFqEOB8N29rOZWVPkQ3r3fIkbYH+jP5Gb2ppfViv/ jPuv7feqmuLJeASR71d5bhBhtA== X-Google-Smtp-Source: AMrXdXuxSJIBJfGd95s/40x4VOAGFVnKBueWyZP/daYzQJPUOVpCLFq/S/bda9FwxCnxH5s2L5dcIg== X-Received: by 2002:a05:6512:3b87:b0:4a4:68b7:d623 with SMTP id g7-20020a0565123b8700b004a468b7d623mr9549025lfv.10.1672341552388; Thu, 29 Dec 2022 11:19:12 -0800 (PST) Received: from eriador.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id t13-20020ac24c0d000000b004cb10c151fasm1162295lfq.88.2022.12.29.11.19.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Dec 2022 11:19:11 -0800 (PST) From: Dmitry Baryshkov To: Rob Clark , Sean Paul , Abhinav Kumar Cc: Stephen Boyd , David Airlie , Daniel Vetter , Bjorn Andersson , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH v2 14/27] drm/msm/dpu: don't use unsupported blend stages Date: Thu, 29 Dec 2022 21:18:43 +0200 Message-Id: <20221229191856.3508092-15-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221229191856.3508092-1-dmitry.baryshkov@linaro.org> References: <20221229191856.3508092-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The dpu_crtc_atomic_check() compares blending stage with DPU_STAGE_MAX (maximum amount of blending stages supported by the driver), however we should compare it against .max_mixer_blendstages, the maximum blend stage supported by the mixer. Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index cdaf48a849bc..cf7be1427298 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1126,6 +1126,7 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, crtc); struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc_state); + struct dpu_kms *dpu_kms = _dpu_crtc_get_kms(crtc); const struct drm_plane_state *pstate; struct drm_plane *plane; @@ -1161,7 +1162,7 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { struct dpu_plane_state *dpu_pstate = to_dpu_plane_state(pstate); struct drm_rect dst, clip = crtc_rect; - int z_pos; + int stage; if (IS_ERR_OR_NULL(pstate)) { rc = PTR_ERR(pstate); @@ -1186,17 +1187,16 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, return -E2BIG; } - z_pos = pstate->normalized_zpos; - - /* verify z_pos setting before using it */ - if (z_pos >= DPU_STAGE_MAX - DPU_STAGE_0) { + /* verify stage setting before using it */ + stage = DPU_STAGE_0 + pstate->normalized_zpos; + if (stage >= dpu_kms->catalog->caps->max_mixer_blendstages) { DPU_ERROR("> %d plane stages assigned\n", - DPU_STAGE_MAX - DPU_STAGE_0); + dpu_kms->catalog->caps->max_mixer_blendstages - DPU_STAGE_0); return -EINVAL; } - to_dpu_plane_state(pstate)->stage = z_pos + DPU_STAGE_0; - DRM_DEBUG_ATOMIC("%s: zpos %d\n", dpu_crtc->name, z_pos); + to_dpu_plane_state(pstate)->stage = stage; + DRM_DEBUG_ATOMIC("%s: stage %d\n", dpu_crtc->name, stage); }