From patchwork Thu Jun 13 07:30:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991329 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 AD6F81398 for ; Thu, 13 Jun 2019 07:31:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9BA4C28B0B for ; Thu, 13 Jun 2019 07:31:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8CF0E28B05; Thu, 13 Jun 2019 07:31:13 +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 2EB7B28B05 for ; Thu, 13 Jun 2019 07:31:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9DB76896FA; Thu, 13 Jun 2019 07:30:52 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3A093896FA for ; Thu, 13 Jun 2019 07:30:51 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id CF0E5AF1E; Thu, 13 Jun 2019 07:30:49 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 1/9] drm/gem-vram: Support pinning buffers to current location Date: Thu, 13 Jun 2019 09:30:33 +0200 Message-Id: <20190613073041.29350-2-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Pinning a buffer prevents it from being moved to a different memory location. For some operations, such as buffer updates, it is not important where the buffer is located. Setting the pin function's pl_flag argument to 0 will pin the buffer to whereever it is stored. v2: * document pin flags in PRIME pin helper Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_gem_vram_helper.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 42ad80888df7..f3e5803affb0 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -224,7 +224,9 @@ EXPORT_SYMBOL(drm_gem_vram_offset); * * Pinning a buffer object ensures that it is not evicted from * a memory region. A pinned buffer object has to be unpinned before - * it can be pinned to another region. + * it can be pinned to another region. If the pl_flag argument is 0, + * the buffer is pinned at its current location (video RAM or system + * memory). * * Returns: * 0 on success, or @@ -242,7 +244,9 @@ int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag) if (gbo->pin_count) goto out; - drm_gem_vram_placement(gbo, pl_flag); + if (pl_flag) + drm_gem_vram_placement(gbo, pl_flag); + for (i = 0; i < gbo->placement.num_placement; ++i) gbo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT; @@ -691,7 +695,15 @@ int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *gem) { struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - return drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); + /* Fbdev console emulation is the use case of these PRIME + * helpers. This may involve updating a hardware buffer from + * a shadow FB. We pin the buffer to it's current location + * (either video RAM or system memory) to prevent it from + * being relocated during the update operation. If you require + * the buffer to be pinned to VRAM, implement a callback that + * sets the flags accordingly. + */ + return drm_gem_vram_pin(gbo, 0); } EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_pin); @@ -723,7 +735,7 @@ void *drm_gem_vram_driver_gem_prime_vmap(struct drm_gem_object *gem) int ret; void *base; - ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); + ret = drm_gem_vram_pin(gbo, 0); if (ret) return NULL; base = drm_gem_vram_kmap(gbo, true, NULL); From patchwork Thu Jun 13 07:30:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991327 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 90D761398 for ; Thu, 13 Jun 2019 07:31:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7DE0428B04 for ; Thu, 13 Jun 2019 07:31:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6D71528B0B; Thu, 13 Jun 2019 07:31:11 +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 2D00128B04 for ; Thu, 13 Jun 2019 07:31:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 70C5089709; Thu, 13 Jun 2019 07:30:52 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8A5108966B for ; Thu, 13 Jun 2019 07:30:51 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 2C662AF26; Thu, 13 Jun 2019 07:30:50 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 2/9] drm/ast: Unpin cursor BO during cleanup Date: Thu, 13 Jun 2019 09:30:34 +0200 Message-Id: <20190613073041.29350-3-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The unpin operation was missing from ast_cursor_fini(). Fixed now. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/ast/ast_mode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index fb700d620b64..41741cd6cd15 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -959,6 +959,7 @@ static void ast_cursor_fini(struct drm_device *dev) struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(ast->cursor_cache); drm_gem_vram_kunmap_at(gbo, &ast->cache_kmap); + drm_gem_vram_unpin(gbo); drm_gem_object_put_unlocked(ast->cursor_cache); } From patchwork Thu Jun 13 07:30:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991333 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 9C3341398 for ; Thu, 13 Jun 2019 07:31:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8BEB828A18 for ; Thu, 13 Jun 2019 07:31:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7FCCC28B05; Thu, 13 Jun 2019 07:31:17 +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 1C9DC28A18 for ; Thu, 13 Jun 2019 07:31:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C4968970E; Thu, 13 Jun 2019 07:30:57 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id D0E47896FA for ; Thu, 13 Jun 2019 07:30:51 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 76D46AF4C; Thu, 13 Jun 2019 07:30:50 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 3/9] drm/ast: Remove obsolete or unused cursor state Date: Thu, 13 Jun 2019 09:30:35 +0200 Message-Id: <20190613073041.29350-4-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The ast driver's data structures store unused or uncecessary cursor state. Most of the cursor state is already stored elsewhere and can be retrieved when necessary. Remove the obsolete fields and adapt users accordingly. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/ast/ast_drv.h | 7 ------- drivers/gpu/drm/ast/ast_mode.c | 31 +++++++++++++++++-------------- 2 files changed, 17 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index b6cac9511796..684e15e64a62 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -101,10 +101,6 @@ struct ast_private { int fb_mtrr; struct drm_gem_object *cursor_cache; - uint64_t cursor_cache_gpu_addr; - /* Acces to this cache is protected by the crtc->mutex of the only crtc - * we have. */ - struct ttm_bo_kmap_obj cache_kmap; int next_cursor; bool support_wide_screen; enum { @@ -236,9 +232,6 @@ struct ast_connector { struct ast_crtc { struct drm_crtc base; - struct drm_gem_object *cursor_bo; - uint64_t cursor_addr; - int cursor_width, cursor_height; u8 offset_x, offset_y; }; diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 41741cd6cd15..cb6e8249a7db 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -939,15 +939,13 @@ static int ast_cursor_init(struct drm_device *dev) } /* kmap the object */ - base = drm_gem_vram_kmap_at(gbo, true, NULL, &ast->cache_kmap); + base = drm_gem_vram_kmap(gbo, true, NULL); if (IS_ERR(base)) { ret = PTR_ERR(base); goto fail; } ast->cursor_cache = obj; - ast->cursor_cache_gpu_addr = gpu_addr; - DRM_DEBUG_KMS("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr); return 0; fail: return ret; @@ -958,7 +956,7 @@ static void ast_cursor_fini(struct drm_device *dev) struct ast_private *ast = dev->dev_private; struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(ast->cursor_cache); - drm_gem_vram_kunmap_at(gbo, &ast->cache_kmap); + drm_gem_vram_kunmap(gbo); drm_gem_vram_unpin(gbo); drm_gem_object_put_unlocked(ast->cursor_cache); } @@ -1181,7 +1179,8 @@ static int ast_cursor_set(struct drm_crtc *crtc, struct ast_crtc *ast_crtc = to_ast_crtc(crtc); struct drm_gem_object *obj; struct drm_gem_vram_object *gbo; - s64 gpu_addr; + s64 dst_gpu; + u64 gpu_addr; u32 csum; int ret; struct ttm_bo_kmap_obj uobj_map; @@ -1215,14 +1214,19 @@ static int ast_cursor_set(struct drm_crtc *crtc, if (src_isiomem == true) DRM_ERROR("src cursor bo should be in main memory\n"); - dst = drm_gem_vram_kmap_at(drm_gem_vram_of_gem(ast->cursor_cache), - false, &dst_isiomem, &ast->cache_kmap); + dst = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache), + false, &dst_isiomem); if (IS_ERR(dst)) { ret = PTR_ERR(dst); goto fail_unlock; } if (dst_isiomem == false) DRM_ERROR("dst bo should be in VRAM\n"); + dst_gpu = drm_gem_vram_offset(drm_gem_vram_of_gem(ast->cursor_cache)); + if (dst_gpu < 0) { + ret = (int)dst_gpu; + goto fail_unlock; + } dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; @@ -1234,8 +1238,9 @@ static int ast_cursor_set(struct drm_crtc *crtc, /* write checksum + signature */ { - u8 *dst = drm_gem_vram_kmap_at(drm_gem_vram_of_gem(ast->cursor_cache), - false, NULL, &ast->cache_kmap); + struct drm_gem_vram_object *dst_gbo = + drm_gem_vram_of_gem(ast->cursor_cache); + u8 *dst = drm_gem_vram_kmap(dst_gbo, false, NULL); dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; writel(csum, dst); writel(width, dst + AST_HWC_SIGNATURE_SizeX); @@ -1244,15 +1249,13 @@ static int ast_cursor_set(struct drm_crtc *crtc, writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); /* set pattern offset */ - gpu_addr = ast->cursor_cache_gpu_addr; + gpu_addr = (u64)dst_gpu; gpu_addr += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; gpu_addr >>= 3; ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, gpu_addr & 0xff); ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, (gpu_addr >> 8) & 0xff); ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, (gpu_addr >> 16) & 0xff); } - ast_crtc->cursor_width = width; - ast_crtc->cursor_height = height; ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; @@ -1278,8 +1281,8 @@ static int ast_cursor_move(struct drm_crtc *crtc, int x_offset, y_offset; u8 *sig; - sig = drm_gem_vram_kmap_at(drm_gem_vram_of_gem(ast->cursor_cache), - false, NULL, &ast->cache_kmap); + sig = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache), + false, NULL); sig += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; writel(x, sig + AST_HWC_SIGNATURE_X); writel(y, sig + AST_HWC_SIGNATURE_Y); From patchwork Thu Jun 13 07:30:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991337 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 A5C3A924 for ; Thu, 13 Jun 2019 07:31:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8E22128A18 for ; Thu, 13 Jun 2019 07:31:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8237E28B05; Thu, 13 Jun 2019 07:31:21 +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 3587728A18 for ; Thu, 13 Jun 2019 07:31:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B4C1189338; Thu, 13 Jun 2019 07:31:02 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3181889708 for ; Thu, 13 Jun 2019 07:30:52 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id BE271AF50; Thu, 13 Jun 2019 07:30:50 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 4/9] drm/ast: Pin and map cursor source BO during update Date: Thu, 13 Jun 2019 09:30:36 +0200 Message-Id: <20190613073041.29350-5-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The ast driver used to lock the cursor source BO during updates. Locking should be done internally by the BO's implementation, so we pin it instead to system memory. The mapping information is also stored in the BO. No need to have an extra argument to the kmap function. v2: * pin cursor BOs to current location Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/ast/ast_mode.c | 37 +++++++++++++++------------------- 1 file changed, 16 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index cb6e8249a7db..6649d370b2f1 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -1183,9 +1183,8 @@ static int ast_cursor_set(struct drm_crtc *crtc, u64 gpu_addr; u32 csum; int ret; - struct ttm_bo_kmap_obj uobj_map; u8 *src, *dst; - bool src_isiomem, dst_isiomem; + if (!handle) { ast_hide_cursor(crtc); return 0; @@ -1201,31 +1200,25 @@ static int ast_cursor_set(struct drm_crtc *crtc, } gbo = drm_gem_vram_of_gem(obj); - ret = drm_gem_vram_lock(gbo, false); + ret = drm_gem_vram_pin(gbo, 0); if (ret) - goto fail; - - memset(&uobj_map, 0, sizeof(uobj_map)); - src = drm_gem_vram_kmap_at(gbo, true, &src_isiomem, &uobj_map); + goto err_drm_gem_object_put_unlocked; + src = drm_gem_vram_kmap(gbo, true, NULL); if (IS_ERR(src)) { ret = PTR_ERR(src); - goto fail_unlock; + goto err_drm_gem_vram_unpin; } - if (src_isiomem == true) - DRM_ERROR("src cursor bo should be in main memory\n"); dst = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache), - false, &dst_isiomem); + false, NULL); if (IS_ERR(dst)) { ret = PTR_ERR(dst); - goto fail_unlock; + goto err_drm_gem_vram_kunmap; } - if (dst_isiomem == false) - DRM_ERROR("dst bo should be in VRAM\n"); dst_gpu = drm_gem_vram_offset(drm_gem_vram_of_gem(ast->cursor_cache)); if (dst_gpu < 0) { ret = (int)dst_gpu; - goto fail_unlock; + goto err_drm_gem_vram_kunmap; } dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; @@ -1233,9 +1226,6 @@ static int ast_cursor_set(struct drm_crtc *crtc, /* do data transfer to cursor cache */ csum = copy_cursor_image(src, dst, width, height); - drm_gem_vram_kunmap_at(gbo, &uobj_map); - drm_gem_vram_unlock(gbo); - /* write checksum + signature */ { struct drm_gem_vram_object *dst_gbo = @@ -1263,12 +1253,17 @@ static int ast_cursor_set(struct drm_crtc *crtc, ast_show_cursor(crtc); + drm_gem_vram_kunmap(gbo); + drm_gem_vram_unpin(gbo); drm_gem_object_put_unlocked(obj); + return 0; -fail_unlock: - drm_gem_vram_unlock(gbo); -fail: +err_drm_gem_vram_kunmap: + drm_gem_vram_kunmap(gbo); +err_drm_gem_vram_unpin: + drm_gem_vram_unpin(gbo); +err_drm_gem_object_put_unlocked: drm_gem_object_put_unlocked(obj); return ret; } From patchwork Thu Jun 13 07:30:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991341 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 7081F1398 for ; Thu, 13 Jun 2019 07:31:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6069228A18 for ; Thu, 13 Jun 2019 07:31:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5488F28B05; Thu, 13 Jun 2019 07:31:25 +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 112EF28A18 for ; Thu, 13 Jun 2019 07:31:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DBC9E8975F; Thu, 13 Jun 2019 07:31:03 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id DBF0789701 for ; Thu, 13 Jun 2019 07:30:52 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 18EADAF55; Thu, 13 Jun 2019 07:30:51 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 5/9] drm/ast: Pin framebuffer BO during dirty update Date: Thu, 13 Jun 2019 09:30:37 +0200 Message-Id: <20190613073041.29350-6-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Another explicit lock operation of a GEM VRAM BO is located in AST's framebuffer update code. Instead of locking the BO, we pin it to wherever it is. v2: * update with pin flag of 0 Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/ast/ast_fb.c | 33 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c index 05f45222b702..b404b51c2c55 100644 --- a/drivers/gpu/drm/ast/ast_fb.c +++ b/drivers/gpu/drm/ast/ast_fb.c @@ -48,32 +48,31 @@ static void ast_dirty_update(struct ast_fbdev *afbdev, int x, int y, int width, int height) { int i; - struct drm_gem_object *obj; struct drm_gem_vram_object *gbo; int src_offset, dst_offset; int bpp = afbdev->afb.base.format->cpp[0]; - int ret = -EBUSY; + int ret; u8 *dst; bool unmap = false; bool store_for_later = false; int x2, y2; unsigned long flags; - obj = afbdev->afb.obj; - gbo = drm_gem_vram_of_gem(obj); - - /* Try to lock the BO. If we fail with -EBUSY then - * the BO is being moved and we should store up the - * damage until later. - */ - if (drm_can_sleep()) - ret = drm_gem_vram_lock(gbo, true); - if (ret) { - if (ret != -EBUSY) - return; - + gbo = drm_gem_vram_of_gem(afbdev->afb.obj); + + if (drm_can_sleep()) { + /* We pin the BO so it won't be moved during the + * update. The actual location, video RAM or system + * memory, is not important. + */ + ret = drm_gem_vram_pin(gbo, 0); + if (ret) { + if (ret != -EBUSY) + return; + store_for_later = true; + } + } else store_for_later = true; - } x2 = x + width - 1; y2 = y + height - 1; @@ -126,7 +125,7 @@ static void ast_dirty_update(struct ast_fbdev *afbdev, drm_gem_vram_kunmap(gbo); out: - drm_gem_vram_unlock(gbo); + drm_gem_vram_unpin(gbo); } static void ast_fillrect(struct fb_info *info, From patchwork Thu Jun 13 07:30:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991335 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 7C26F1398 for ; Thu, 13 Jun 2019 07:31:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6B75A28A18 for ; Thu, 13 Jun 2019 07:31:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5F59A28B05; Thu, 13 Jun 2019 07:31:19 +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 1E24B28A18 for ; Thu, 13 Jun 2019 07:31:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B8DB989715; Thu, 13 Jun 2019 07:31:00 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id DC44389708 for ; Thu, 13 Jun 2019 07:30:52 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 5DED7AF56; Thu, 13 Jun 2019 07:30:51 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 6/9] drm/mgag200: Pin framebuffer BO during dirty update Date: Thu, 13 Jun 2019 09:30:38 +0200 Message-Id: <20190613073041.29350-7-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Another explicit lock operation of a GEM VRAM BO is located in mgag200's framebuffer update code. Instead of locking the BO, we pin it to wherever it is. v2: * update with pin flag of 0 Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/mgag200/mgag200_fb.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 37e8b8cf37ea..207dbee4938e 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -23,7 +23,7 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, struct drm_gem_vram_object *gbo; int src_offset, dst_offset; int bpp = mfbdev->mfb.base.format->cpp[0]; - int ret = -EBUSY; + int ret; u8 *dst; bool unmap = false; bool store_for_later = false; @@ -33,18 +33,19 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, obj = mfbdev->mfb.obj; gbo = drm_gem_vram_of_gem(obj); - /* Try to lock the BO. If we fail with -EBUSY then - * the BO is being moved and we should store up the - * damage until later. - */ - if (drm_can_sleep()) - ret = drm_gem_vram_lock(gbo, true); - if (ret) { - if (ret != -EBUSY) - return; - + if (drm_can_sleep()) { + /* We pin the BO so it won't be moved during the + * update. The actual location, video RAM or system + * memory, is not important. + */ + ret = drm_gem_vram_pin(gbo, 0); + if (ret) { + if (ret != -EBUSY) + return; + store_for_later = true; + } + } else store_for_later = true; - } x2 = x + width - 1; y2 = y + height - 1; @@ -97,7 +98,7 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, drm_gem_vram_kunmap(gbo); out: - drm_gem_vram_unlock(gbo); + drm_gem_vram_unpin(gbo); } static void mga_fillrect(struct fb_info *info, From patchwork Thu Jun 13 07:30:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991339 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 D35001398 for ; Thu, 13 Jun 2019 07:31:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC42D28A18 for ; Thu, 13 Jun 2019 07:31:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AF03D28B05; Thu, 13 Jun 2019 07:31:23 +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 0FCDF28A18 for ; Thu, 13 Jun 2019 07:31:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9341889739; Thu, 13 Jun 2019 07:31:03 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 137DF8970E for ; Thu, 13 Jun 2019 07:30:53 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id A9A88AF58; Thu, 13 Jun 2019 07:30:51 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 7/9] drm/mgag200: Rewrite cursor handling Date: Thu, 13 Jun 2019 09:30:39 +0200 Message-Id: <20190613073041.29350-8-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The cursor handling in mgag200 is complicated to understand. It touches a number of different BOs, but doesn't really use all of them. Rewriting the cursor update reduces the amount of cursor state. There are two BOs for double-buffered HW updates. The source BO updates the one that is currently not displayed and then switches buffers. Explicit BO locking has been removed from the code. BOs are simply pinned and unpinned in video RAM. v2: * pin cursor BOs to current location Signed-off-by: Thomas Zimmermann Acked-by: Gerd Hoffmann --- drivers/gpu/drm/mgag200/mgag200_cursor.c | 165 ++++++++++------------- drivers/gpu/drm/mgag200/mgag200_drv.h | 3 - drivers/gpu/drm/mgag200/mgag200_main.c | 4 +- 3 files changed, 69 insertions(+), 103 deletions(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c index de94a650077b..f0c61a92351c 100644 --- a/drivers/gpu/drm/mgag200/mgag200_cursor.c +++ b/drivers/gpu/drm/mgag200/mgag200_cursor.c @@ -19,10 +19,9 @@ static void mga_hide_cursor(struct mga_device *mdev) { WREG8(MGA_CURPOSXL, 0); WREG8(MGA_CURPOSXH, 0); - if (mdev->cursor.pixels_1->pin_count) - drm_gem_vram_unpin_locked(mdev->cursor.pixels_1); - if (mdev->cursor.pixels_2->pin_count) - drm_gem_vram_unpin_locked(mdev->cursor.pixels_2); + if (mdev->cursor.pixels_current) + drm_gem_vram_unpin(mdev->cursor.pixels_current); + mdev->cursor.pixels_current = NULL; } int mga_crtc_cursor_set(struct drm_crtc *crtc, @@ -36,7 +35,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_gem_vram_object *pixels_1 = mdev->cursor.pixels_1; struct drm_gem_vram_object *pixels_2 = mdev->cursor.pixels_2; struct drm_gem_vram_object *pixels_current = mdev->cursor.pixels_current; - struct drm_gem_vram_object *pixels_prev = mdev->cursor.pixels_prev; + struct drm_gem_vram_object *pixels_next; struct drm_gem_object *obj; struct drm_gem_vram_object *gbo = NULL; int ret = 0; @@ -49,6 +48,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, bool found = false; int colour_count = 0; s64 gpu_addr; + u64 dst_gpu; u8 reg_index; u8 this_row[48]; @@ -58,80 +58,66 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, return -ENOTSUPP; /* Didn't allocate space for cursors */ } - if ((width != 64 || height != 64) && handle) { - WREG8(MGA_CURPOSXL, 0); - WREG8(MGA_CURPOSXH, 0); - return -EINVAL; + if (WARN_ON(pixels_current && + pixels_1 != pixels_current && + pixels_2 != pixels_current)) { + return -ENOTSUPP; /* inconsistent state */ } - BUG_ON(pixels_1 != pixels_current && pixels_1 != pixels_prev); - BUG_ON(pixels_2 != pixels_current && pixels_2 != pixels_prev); - BUG_ON(pixels_current == pixels_prev); - if (!handle || !file_priv) { mga_hide_cursor(mdev); return 0; } - obj = drm_gem_object_lookup(file_priv, handle); - if (!obj) - return -ENOENT; - - ret = drm_gem_vram_lock(pixels_1, true); - if (ret) { + if (width != 64 || height != 64) { WREG8(MGA_CURPOSXL, 0); WREG8(MGA_CURPOSXH, 0); - goto out_unref; - } - ret = drm_gem_vram_lock(pixels_2, true); - if (ret) { - WREG8(MGA_CURPOSXL, 0); - WREG8(MGA_CURPOSXH, 0); - drm_gem_vram_unlock(pixels_1); - goto out_unlock1; + return -EINVAL; } - /* Move cursor buffers into VRAM if they aren't already */ - if (!pixels_1->pin_count) { - ret = drm_gem_vram_pin_locked(pixels_1, - DRM_GEM_VRAM_PL_FLAG_VRAM); - if (ret) - goto out1; - gpu_addr = drm_gem_vram_offset(pixels_1); - if (gpu_addr < 0) { - drm_gem_vram_unpin_locked(pixels_1); - goto out1; - } - mdev->cursor.pixels_1_gpu_addr = gpu_addr; - } - if (!pixels_2->pin_count) { - ret = drm_gem_vram_pin_locked(pixels_2, - DRM_GEM_VRAM_PL_FLAG_VRAM); - if (ret) { - drm_gem_vram_unpin_locked(pixels_1); - goto out1; - } - gpu_addr = drm_gem_vram_offset(pixels_2); - if (gpu_addr < 0) { - drm_gem_vram_unpin_locked(pixels_1); - drm_gem_vram_unpin_locked(pixels_2); - goto out1; - } - mdev->cursor.pixels_2_gpu_addr = gpu_addr; - } + if (pixels_current == pixels_1) + pixels_next = pixels_2; + else + pixels_next = pixels_1; + obj = drm_gem_object_lookup(file_priv, handle); + if (!obj) + return -ENOENT; gbo = drm_gem_vram_of_gem(obj); - ret = drm_gem_vram_lock(gbo, true); + ret = drm_gem_vram_pin(gbo, 0); if (ret) { dev_err(&dev->pdev->dev, "failed to lock user bo\n"); - goto out1; + goto err_drm_gem_object_put_unlocked; } src = drm_gem_vram_kmap(gbo, true, NULL); if (IS_ERR(src)) { ret = PTR_ERR(src); - dev_err(&dev->pdev->dev, "failed to kmap user buffer updates\n"); - goto out2; + dev_err(&dev->pdev->dev, + "failed to kmap user buffer updates\n"); + goto err_drm_gem_vram_unpin_src; + } + + /* Pin and map up-coming buffer to write colour indices */ + ret = drm_gem_vram_pin(pixels_next, 0); + if (ret) + dev_err(&dev->pdev->dev, + "failed to pin cursor buffer: %d\n", ret); + goto err_drm_gem_vram_kunmap_src; + dst = drm_gem_vram_kmap(pixels_next, true, NULL); + if (IS_ERR(dst)) { + ret = PTR_ERR(dst); + dev_err(&dev->pdev->dev, + "failed to kmap cursor updates: %d\n", ret); + goto err_drm_gem_vram_unpin_dst; + } + gpu_addr = drm_gem_vram_offset(pixels_2); + if (gpu_addr < 0) { + ret = (int)gpu_addr; + dev_err(&dev->pdev->dev, + "failed to get cursor scanout address: %d\n", ret); + goto err_drm_gem_vram_kunmap_dst; } + dst_gpu = (u64)gpu_addr; memset(&colour_set[0], 0, sizeof(uint32_t)*16); /* width*height*4 = 16384 */ @@ -146,7 +132,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, warn_transparent = false; /* Only tell the user once. */ } ret = -EINVAL; - goto out3; + goto err_drm_gem_vram_kunmap_dst; } /* Don't need to store transparent pixels as colours */ if (this_colour>>24 == 0x0) @@ -168,7 +154,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, warn_palette = false; /* Only tell the user once. */ } ret = -EINVAL; - goto out3; + goto err_drm_gem_vram_kunmap_dst; } *next_space = this_colour; next_space++; @@ -187,14 +173,6 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, BUG_ON((colour_set[i]>>24 & 0xff) != 0xff); } - /* Map up-coming buffer to write colour indices */ - dst = drm_gem_vram_kmap(pixels_prev, true, NULL); - if (IS_ERR(dst)) { - ret = PTR_ERR(dst); - dev_err(&dev->pdev->dev, "failed to kmap cursor updates\n"); - goto out3; - } - /* now write colour indices into hardware cursor buffer */ for (row = 0; row < 64; row++) { memset(&this_row[0], 0, 48); @@ -221,42 +199,35 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, } /* Program gpu address of cursor buffer */ - if (pixels_prev == pixels_1) - gpu_addr = mdev->cursor.pixels_1_gpu_addr; - else - gpu_addr = mdev->cursor.pixels_2_gpu_addr; - WREG_DAC(MGA1064_CURSOR_BASE_ADR_LOW, (u8)((gpu_addr>>10) & 0xff)); - WREG_DAC(MGA1064_CURSOR_BASE_ADR_HI, (u8)((gpu_addr>>18) & 0x3f)); + WREG_DAC(MGA1064_CURSOR_BASE_ADR_LOW, (u8)((dst_gpu>>10) & 0xff)); + WREG_DAC(MGA1064_CURSOR_BASE_ADR_HI, (u8)((dst_gpu>>18) & 0x3f)); /* Adjust cursor control register to turn on the cursor */ WREG_DAC(MGA1064_CURSOR_CTL, 4); /* 16-colour palletized cursor mode */ - /* Now swap internal buffer pointers */ - if (mdev->cursor.pixels_1 == mdev->cursor.pixels_prev) { - mdev->cursor.pixels_prev = mdev->cursor.pixels_2; - mdev->cursor.pixels_current = mdev->cursor.pixels_1; - } else if (mdev->cursor.pixels_1 == mdev->cursor.pixels_current) { - mdev->cursor.pixels_prev = mdev->cursor.pixels_1; - mdev->cursor.pixels_current = mdev->cursor.pixels_2; - } else { - BUG(); - } - ret = 0; + /* Now update internal buffer pointers */ + if (pixels_current) + drm_gem_vram_unpin(pixels_current); + mdev->cursor.pixels_current = pixels_next; - drm_gem_vram_kunmap(pixels_prev); - out3: + drm_gem_vram_kunmap(pixels_next); + drm_gem_vram_unpin(pixels_next); drm_gem_vram_kunmap(gbo); - out2: - drm_gem_vram_unlock(gbo); - out1: - if (ret) - mga_hide_cursor(mdev); - drm_gem_vram_unlock(pixels_1); -out_unlock1: - drm_gem_vram_unlock(pixels_2); -out_unref: + drm_gem_vram_unpin(gbo); drm_gem_object_put_unlocked(obj); + return 0; + +err_drm_gem_vram_kunmap_dst: + drm_gem_vram_kunmap(pixels_next); +err_drm_gem_vram_unpin_dst: + drm_gem_vram_unpin(pixels_next); +err_drm_gem_vram_kunmap_src: + drm_gem_vram_kunmap(gbo); +err_drm_gem_vram_unpin_src: + drm_gem_vram_unpin(gbo); +err_drm_gem_object_put_unlocked: + drm_gem_object_put_unlocked(obj); return ret; } diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index b8f66de0d797..c47671ce6c48 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -155,11 +155,8 @@ struct mga_cursor { */ struct drm_gem_vram_object *pixels_1; struct drm_gem_vram_object *pixels_2; - u64 pixels_1_gpu_addr, pixels_2_gpu_addr; /* The currently displayed icon, this points to one of pixels_1, or pixels_2 */ struct drm_gem_vram_object *pixels_current; - /* The previously displayed icon */ - struct drm_gem_vram_object *pixels_prev; }; struct mga_mc { diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index bc95c3a18824..dd61ccc5af5c 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -238,10 +238,8 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) mdev->cursor.pixels_2 = NULL; dev_warn(&dev->pdev->dev, "Could not allocate space for cursors. Not doing hardware cursors.\n"); - } else { - mdev->cursor.pixels_current = mdev->cursor.pixels_1; - mdev->cursor.pixels_prev = mdev->cursor.pixels_2; } + mdev->cursor.pixels_current = NULL; return 0; From patchwork Thu Jun 13 07:30:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991343 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 7AE50924 for ; Thu, 13 Jun 2019 07:31:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6ACEF28A18 for ; Thu, 13 Jun 2019 07:31:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5F24928B05; Thu, 13 Jun 2019 07:31:27 +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 EEA3228A18 for ; Thu, 13 Jun 2019 07:31:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4C86D8972B; Thu, 13 Jun 2019 07:31:04 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5440E89715 for ; Thu, 13 Jun 2019 07:30:53 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id F3D00AF5B; Thu, 13 Jun 2019 07:30:51 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 8/9] drm: Remove lock interfaces from GEM VRAM helpers Date: Thu, 13 Jun 2019 09:30:40 +0200 Message-Id: <20190613073041.29350-9-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The lock functions and the locked-pin/unpin functions of GEM VRAM are not requried any longer. Remove them. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_gem_vram_helper.c | 109 -------------------------- include/drm/drm_gem_vram_helper.h | 5 -- 2 files changed, 114 deletions(-) diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index f3e5803affb0..4cae52054e61 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -151,36 +151,6 @@ void drm_gem_vram_put(struct drm_gem_vram_object *gbo) } EXPORT_SYMBOL(drm_gem_vram_put); -/** - * drm_gem_vram_lock() - Locks a VRAM-backed GEM object - * @gbo: the GEM VRAM object - * @no_wait: don't wait for buffer object to become available - * - * See ttm_bo_reserve() for more information. - * - * Returns: - * 0 on success, or - * a negative error code otherwise - */ -int drm_gem_vram_lock(struct drm_gem_vram_object *gbo, bool no_wait) -{ - return ttm_bo_reserve(&gbo->bo, true, no_wait, NULL); -} -EXPORT_SYMBOL(drm_gem_vram_lock); - -/** - * drm_gem_vram_unlock() - \ - Release a reservation acquired by drm_gem_vram_lock() - * @gbo: the GEM VRAM object - * - * See ttm_bo_unreserve() for more information. - */ -void drm_gem_vram_unlock(struct drm_gem_vram_object *gbo) -{ - ttm_bo_unreserve(&gbo->bo); -} -EXPORT_SYMBOL(drm_gem_vram_unlock); - /** * drm_gem_vram_mmap_offset() - Returns a GEM VRAM object's mmap offset * @gbo: the GEM VRAM object @@ -266,49 +236,6 @@ int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag) } EXPORT_SYMBOL(drm_gem_vram_pin); -/** - * drm_gem_vram_pin_locked() - Pins a GEM VRAM object in a region. - * @gbo: the GEM VRAM object - * @pl_flag: a bitmask of possible memory regions - * - * Pinning a buffer object ensures that it is not evicted from - * a memory region. A pinned buffer object has to be unpinned before - * it can be pinned to another region. - * - * This function pins a GEM VRAM object that has already been - * locked. Use drm_gem_vram_pin() if possible. - * - * Returns: - * 0 on success, or - * a negative error code otherwise. - */ -int drm_gem_vram_pin_locked(struct drm_gem_vram_object *gbo, - unsigned long pl_flag) -{ - int i, ret; - struct ttm_operation_ctx ctx = { false, false }; - - lockdep_assert_held(&gbo->bo.resv->lock.base); - - if (gbo->pin_count) { - ++gbo->pin_count; - return 0; - } - - drm_gem_vram_placement(gbo, pl_flag); - for (i = 0; i < gbo->placement.num_placement; ++i) - gbo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT; - - ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx); - if (ret < 0) - return ret; - - gbo->pin_count = 1; - - return 0; -} -EXPORT_SYMBOL(drm_gem_vram_pin_locked); - /** * drm_gem_vram_unpin() - Unpins a GEM VRAM object * @gbo: the GEM VRAM object @@ -351,42 +278,6 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo) } EXPORT_SYMBOL(drm_gem_vram_unpin); -/** - * drm_gem_vram_unpin_locked() - Unpins a GEM VRAM object - * @gbo: the GEM VRAM object - * - * This function unpins a GEM VRAM object that has already been - * locked. Use drm_gem_vram_unpin() if possible. - * - * Returns: - * 0 on success, or - * a negative error code otherwise. - */ -int drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo) -{ - int i, ret; - struct ttm_operation_ctx ctx = { false, false }; - - lockdep_assert_held(&gbo->bo.resv->lock.base); - - if (WARN_ON_ONCE(!gbo->pin_count)) - return 0; - - --gbo->pin_count; - if (gbo->pin_count) - return 0; - - for (i = 0; i < gbo->placement.num_placement ; ++i) - gbo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT; - - ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx); - if (ret < 0) - return ret; - - return 0; -} -EXPORT_SYMBOL(drm_gem_vram_unpin_locked); - /** * drm_gem_vram_kmap_at() - Maps a GEM VRAM object into kernel address space * @gbo: the GEM VRAM object diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 4d1d2c1bf32b..1d4aa87f8dfa 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -77,15 +77,10 @@ struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev, unsigned long pg_align, bool interruptible); void drm_gem_vram_put(struct drm_gem_vram_object *gbo); -int drm_gem_vram_lock(struct drm_gem_vram_object *gbo, bool no_wait); -void drm_gem_vram_unlock(struct drm_gem_vram_object *gbo); u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo); s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo); int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag); -int drm_gem_vram_pin_locked(struct drm_gem_vram_object *gbo, - unsigned long pl_flag); int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo); -int drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo); void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map, bool *is_iomem, struct ttm_bo_kmap_obj *kmap); void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map, From patchwork Thu Jun 13 07:30:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10991345 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 CD6371398 for ; Thu, 13 Jun 2019 07:31:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCFB328A18 for ; Thu, 13 Jun 2019 07:31:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B15AD28B05; Thu, 13 Jun 2019 07:31:31 +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 517F028A18 for ; Thu, 13 Jun 2019 07:31:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB707896B5; Thu, 13 Jun 2019 07:31:10 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id A33208966B for ; Thu, 13 Jun 2019 07:30:53 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 46235AF5D; Thu, 13 Jun 2019 07:30:52 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 9/9] drm: Remove functions with kmap-object argument from GEM VRAM helpers Date: Thu, 13 Jun 2019 09:30:41 +0200 Message-Id: <20190613073041.29350-10-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190613073041.29350-1-tzimmermann@suse.de> References: <20190613073041.29350-1-tzimmermann@suse.de> MIME-Version: 1.0 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: Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The GEM VRAM functions with kmap-object argument are not requried any longer. Remove them. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_gem_vram_helper.c | 50 +++++---------------------- include/drm/drm_gem_vram_helper.h | 4 --- 2 files changed, 8 insertions(+), 46 deletions(-) diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 4cae52054e61..4de782ca26b2 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -279,12 +279,11 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo) EXPORT_SYMBOL(drm_gem_vram_unpin); /** - * drm_gem_vram_kmap_at() - Maps a GEM VRAM object into kernel address space + * drm_gem_vram_kmap() - Maps a GEM VRAM object into kernel address space * @gbo: the GEM VRAM object * @map: establish a mapping if necessary * @is_iomem: returns true if the mapped memory is I/O memory, or false \ otherwise; can be NULL - * @kmap: the mapping's kmap object * * This function maps the buffer object into the kernel's address space * or returns the current mapping. If the parameter map is false, the @@ -296,10 +295,11 @@ EXPORT_SYMBOL(drm_gem_vram_unpin); * NULL if not mapped, or * an ERR_PTR()-encoded error code otherwise. */ -void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map, - bool *is_iomem, struct ttm_bo_kmap_obj *kmap) +void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map, + bool *is_iomem) { int ret; + struct ttm_bo_kmap_obj *kmap = &gbo->kmap; if (kmap->virtual || !map) goto out; @@ -317,56 +317,22 @@ void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map, } return ttm_kmap_obj_virtual(kmap, is_iomem); } -EXPORT_SYMBOL(drm_gem_vram_kmap_at); - -/** - * drm_gem_vram_kmap() - Maps a GEM VRAM object into kernel address space - * @gbo: the GEM VRAM object - * @map: establish a mapping if necessary - * @is_iomem: returns true if the mapped memory is I/O memory, or false \ - otherwise; can be NULL - * - * This function maps the buffer object into the kernel's address space - * or returns the current mapping. If the parameter map is false, the - * function only queries the current mapping, but does not establish a - * new one. - * - * Returns: - * The buffers virtual address if mapped, or - * NULL if not mapped, or - * an ERR_PTR()-encoded error code otherwise. - */ -void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map, - bool *is_iomem) -{ - return drm_gem_vram_kmap_at(gbo, map, is_iomem, &gbo->kmap); -} EXPORT_SYMBOL(drm_gem_vram_kmap); /** - * drm_gem_vram_kunmap_at() - Unmaps a GEM VRAM object + * drm_gem_vram_kunmap() - Unmaps a GEM VRAM object * @gbo: the GEM VRAM object - * @kmap: the mapping's kmap object */ -void drm_gem_vram_kunmap_at(struct drm_gem_vram_object *gbo, - struct ttm_bo_kmap_obj *kmap) +void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo) { + struct ttm_bo_kmap_obj *kmap = &gbo->kmap; + if (!kmap->virtual) return; ttm_bo_kunmap(kmap); kmap->virtual = NULL; } -EXPORT_SYMBOL(drm_gem_vram_kunmap_at); - -/** - * drm_gem_vram_kunmap() - Unmaps a GEM VRAM object - * @gbo: the GEM VRAM object - */ -void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo) -{ - drm_gem_vram_kunmap_at(gbo, &gbo->kmap); -} EXPORT_SYMBOL(drm_gem_vram_kunmap); /** diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 1d4aa87f8dfa..9581ea0a4f7e 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -81,12 +81,8 @@ u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo); s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo); int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag); int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo); -void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map, - bool *is_iomem, struct ttm_bo_kmap_obj *kmap); void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map, bool *is_iomem); -void drm_gem_vram_kunmap_at(struct drm_gem_vram_object *gbo, - struct ttm_bo_kmap_obj *kmap); void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo); int drm_gem_vram_fill_create_dumb(struct drm_file *file,