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-0800 (PST) Received: from dell.default ([91.110.221.155]) by smtp.gmail.com with ESMTPSA id w18sm6109524wrr.7.2021.03.03.05.43.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Mar 2021 05:43:37 -0800 (PST) From: Lee Jones To: lee.jones@linaro.org Cc: linux-kernel@vger.kernel.org, Harry Wentland , Leo Li , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , David Airlie , Daniel Vetter , Colin Ian King , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 08/53] drm/amd/display/dc/calcs/dce_calcs: Move some large variables from the stack to the heap Date: Wed, 3 Mar 2021 13:42:34 +0000 Message-Id: <20210303134319.3160762-9-lee.jones@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210303134319.3160762-1-lee.jones@linaro.org> References: <20210303134319.3160762-1-lee.jones@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c: In function ‘calculate_bandwidth’: drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c:2016:1: warning: the frame size of 1216 bytes is larger than 1024 bytes [-Wframe-larger-than=] Cc: Harry Wentland Cc: Leo Li Cc: Alex Deucher Cc: "Christian König" Cc: David Airlie Cc: Daniel Vetter Cc: Colin Ian King Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones --- .../gpu/drm/amd/display/dc/calcs/dce_calcs.c | 29 ++++++++++++++++--- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c index e633f8a51edb6..4f0474a3bbcad 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c @@ -98,16 +98,16 @@ static void calculate_bandwidth( int32_t num_cursor_lines; int32_t i, j, k; - struct bw_fixed yclk[3]; - struct bw_fixed sclk[8]; + struct bw_fixed *yclk; + struct bw_fixed *sclk; bool d0_underlay_enable; bool d1_underlay_enable; bool fbc_enabled; bool lpt_enabled; enum bw_defines sclk_message; enum bw_defines yclk_message; - enum bw_defines tiling_mode[maximum_number_of_surfaces]; - enum bw_defines surface_type[maximum_number_of_surfaces]; + enum bw_defines *tiling_mode; + enum bw_defines *surface_type; enum bw_defines voltage; enum bw_defines pipe_check; enum bw_defines hsr_check; @@ -122,6 +122,22 @@ static void calculate_bandwidth( int32_t number_of_displays_enabled_with_margin = 0; int32_t number_of_aligned_displays_with_no_margin = 0; + yclk = kcalloc(3, sizeof(*yclk), GFP_KERNEL); + if (!yclk) + return; + + sclk = kcalloc(8, sizeof(*sclk), GFP_KERNEL); + if (!sclk) + return; + + tiling_mode = kcalloc(maximum_number_of_surfaces, sizeof(*tiling_mode), GFP_KERNEL); + if (!tiling_mode) + return; + + surface_type = kcalloc(maximum_number_of_surfaces, sizeof(*surface_type), GFP_KERNEL); + if (!surface_type) + return; + yclk[low] = vbios->low_yclk; yclk[mid] = vbios->mid_yclk; yclk[high] = vbios->high_yclk; @@ -2013,6 +2029,11 @@ static void calculate_bandwidth( } } } + + kfree(tiling_mode); + kfree(surface_type); + kfree(yclk); + kfree(sclk); } /******************************************************************************* -- 2.27.0 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 66202C433DB for ; Wed, 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cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Mar 2021 05:43:37 -0800 (PST) From: Lee Jones To: lee.jones@linaro.org Subject: [PATCH 08/53] drm/amd/display/dc/calcs/dce_calcs: Move some large variables from the stack to the heap Date: Wed, 3 Mar 2021 13:42:34 +0000 Message-Id: <20210303134319.3160762-9-lee.jones@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210303134319.3160762-1-lee.jones@linaro.org> References: <20210303134319.3160762-1-lee.jones@linaro.org> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 03 Mar 2021 13:52:11 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Leo Li , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, David Airlie , dri-devel@lists.freedesktop.org, Daniel Vetter , Alex Deucher , Colin Ian King , Harry Wentland , =?UTF-8?q?Christian=20K=C3=B6nig?= Content-Type: 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