From nobody Sun Feb 8 11:06:39 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB1EB13BADF for ; Thu, 4 Jul 2024 12:47:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720097267; cv=none; b=uSQKYO5xSYIY0jU4FbN+66WAblFhHh8Bxr+xvNplHJFcmUXHSBB+DGHHBXMsT8PRpCIdHJkJrzpa/czZodJDEVT4byy+N+/0reDb2OXj2jRCwHi1EQNCLNyck1zon7jPJC3739tF5wkpgq9FFxx3f7yxJCxuBxIHfM4zmrN1Z4w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720097267; c=relaxed/simple; bh=FQcR6Q/k7iZAhzSbf6kb0v3aYcS6WAbiTLZb86m1TVs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=bfLwflTZdwqaHVFSP0TGzlW3Ct95fK476xhikEKECMZ88alvuJQvl9EsXC7qp/Eo3FqhmJALMHbK7HFqW6yR6UYRmFJXjKv2kGuLw8HYnxnwsNBmrf+zuDWEYiNSlznakOjnz5fb2SReXlyLGPWoGj9f2k0jjWD6hF6WlDitb8s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from icess-ProLiant-DL380-Gen10.. (unknown [183.174.60.14]) by APP-01 (Coremail) with SMTP id qwCowAA3GU7imYZmzOuMAQ--.7965S2; Thu, 04 Jul 2024 20:47:38 +0800 (CST) From: Ma Ke To: harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, alvin.lee2@amd.com, wenjing.liu@amd.com, chaitanya.dhere@amd.com, hamza.mahfooz@amd.com, sohaib.nadeem@amd.com, samson.tam@amd.com, Qingqing.Zhuo@amd.com, dillon.varone@amd.com, stylon.wang@amd.com Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Ma Ke Subject: [PATCH RESEND] drm/amd/display: Add otg_master NULL check within init_pipe_slice_table_from_context Date: Thu, 4 Jul 2024 20:47:27 +0800 Message-Id: <20240704124727.293701-1-make24@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowAA3GU7imYZmzOuMAQ--.7965S2 X-Coremail-Antispam: 1UD129KBjvdXoWrtrWDXw1UCw1kArW5Kr48WFg_yoWDCrg_Kr yvvFZ5tw47uF1Dur1jvrn5uFy0v3yj9r4kJ3Z7tayI9r17ArW7uryF93ykWr1YyF17Ga98 Aws5Kr1kC3srKjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb38FF20E14v26ryj6rWUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6r1S6rWUM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s 1lnxkEFVAIw20F6cxK64vIFxWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IE w4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMc vjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v 4I1lFIxGxcIEc7CjxVA2Y2ka0xkIwI1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7 v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF 1VAY17CE14v26r4a6rW5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIx AIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI 42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWI evJa73UjIFyTuYvjfUOrcfUUUUU X-CM-SenderInfo: ppdnvj2u6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" To avoid reports of NULL_RETURN warning, we should add otg_master NULL check. Fixes: c51d87202d1f ("drm/amd/display: do not attempt ODM power optimizatio= n if minimal transition doesn't exist") Signed-off-by: Ma Ke --- drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers= /gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index f6fe0a64beac..20f0951b00f1 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -1177,6 +1177,8 @@ static void init_pipe_slice_table_from_context( stream =3D context->streams[i]; otg_master =3D resource_get_otg_master_for_stream( &context->res_ctx, stream); + if (!otg_master) + continue; count =3D resource_get_odm_slice_count(otg_master); update_slice_table_for_stream(table, stream, count); =20 --=20 2.25.1