From patchwork Fri Jan 8 09:43:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 12006241 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B839C433E0 for ; Fri, 8 Jan 2021 09:45:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC403233EA for ; Fri, 8 Jan 2021 09:45:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728092AbhAHJpN (ORCPT ); Fri, 8 Jan 2021 04:45:13 -0500 Received: from mx2.suse.de ([195.135.220.15]:36776 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727966AbhAHJpJ (ORCPT ); Fri, 8 Jan 2021 04:45:09 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 79F5BAFAE; Fri, 8 Jan 2021 09:43:48 +0000 (UTC) From: Thomas Zimmermann To: sumit.semwal@linaro.org, christian.koenig@amd.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, kraxel@redhat.com, hdegoede@redhat.com, sean@poorly.run, eric@anholt.net, sam@ravnborg.org Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, virtualization@lists.linux-foundation.org, Thomas Zimmermann Subject: [PATCH v4 07/13] drm/gm12u320: Use drm_gem_shmem_vmap_local() in damage handling Date: Fri, 8 Jan 2021 10:43:34 +0100 Message-Id: <20210108094340.15290-8-tzimmermann@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210108094340.15290-1-tzimmermann@suse.de> References: <20210108094340.15290-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Damage handling in gm12u320 requires a short-term mapping of the source BO. Use drm_gem_shmem_vmap_local(). Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/tiny/gm12u320.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c index 33f65f4626e5..b0c6e350f2b3 100644 --- a/drivers/gpu/drm/tiny/gm12u320.c +++ b/drivers/gpu/drm/tiny/gm12u320.c @@ -265,11 +265,16 @@ static void gm12u320_copy_fb_to_blocks(struct gm12u320_device *gm12u320) y1 = gm12u320->fb_update.rect.y1; y2 = gm12u320->fb_update.rect.y2; - ret = drm_gem_shmem_vmap(fb->obj[0], &map); + ret = dma_resv_lock(fb->obj[0]->resv, NULL); if (ret) { - GM12U320_ERR("failed to vmap fb: %d\n", ret); + GM12U320_ERR("failed to reserve fb: %d\n", ret); goto put_fb; } + ret = drm_gem_shmem_vmap_local(fb->obj[0], &map); + if (ret) { + GM12U320_ERR("failed to vmap fb: %d\n", ret); + goto unlock_resv; + } vaddr = map.vaddr; /* TODO: Use mapping abstraction properly */ if (fb->obj[0]->import_attach) { @@ -321,8 +326,11 @@ static void gm12u320_copy_fb_to_blocks(struct gm12u320_device *gm12u320) if (ret) GM12U320_ERR("dma_buf_end_cpu_access err: %d\n", ret); } + +unlock_resv: + dma_resv_unlock(fb->obj[0]->resv); vunmap: - drm_gem_shmem_vunmap(fb->obj[0], &map); + drm_gem_shmem_vunmap_local(fb->obj[0], &map); put_fb: drm_framebuffer_put(fb); gm12u320->fb_update.fb = NULL;