From nobody Sat Feb 7 21:48:09 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 73ED812E1CE; Wed, 27 Mar 2024 12:07:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711541232; cv=none; b=sTcvoF4mBuY1c/vd28/NCklpz1Nr3zWSwWyvN82seOdVHmPugdrZAz4iTdz/SUSZYgBv39CujejFQTPpO9JJzWeJXoQF3UejpGES1MoR2WqxzID74mNdnvMmC2dXaDi6B/MhD5uZbuXqzKPF0zBJJqmZPJ+yN9WqUX1HDFZLCOQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711541232; c=relaxed/simple; bh=CoSnL3qPQEJOccnboM8Yx9diAo3ePi4BoTAGB2yAXic=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=qRvhJ01oDNgKEgPwGMjXO58pajDUqiGYtastNjJ19fuvzklDn1PVFWr5INHU/fj+5nnHLen+YGGalq8eNUnyf3Eo9xEGjucTPq22QbCju5hlgShn6HqH775HCptwEMI5DenNQHRv9130n9OU66j9gj558G8p0s6yvoKtbCPFF30= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kusuduHC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kusuduHC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 369F2C433F1; Wed, 27 Mar 2024 12:07:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711541232; bh=CoSnL3qPQEJOccnboM8Yx9diAo3ePi4BoTAGB2yAXic=; h=From:To:Cc:Subject:Date:From; b=kusuduHCFxJ2UTor5ojALVKldcK3CkkUOAGYBHYYY5APRWeU5S2a0qni1b11ZM9VQ arBY6xHXhA9nZlPabBJhR9QTNMbRFLAu0oZcY+S6Zn5qbjOHxAmRTWN4aoB/tQPkp/ /N5RQBgCNwNBcHjjmRi/qHLg7gTG8+Yb1mjb3OPj+dARjNoT0tYNpIgceiVMhz19Jx cgTM9SHzReK+iOLkgoqBs59PWHbZiCUAOaDDqJojmXWoZg8gy6k+M0nLKBn+Ovt6GC VMJLplhH/QjcbpglpVlnNpqQxkjovhRVAy1iZfocGPLuFUO8vt8lcGJPnpSmUM/GLK 7SX1tdzRbbJyA== From: Sasha Levin To: stable@vger.kernel.org, nathan@kernel.org Cc: Alex Deucher , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: FAILED: Patch "drm/amd/display: Increase frame-larger-than for all display_mode_vba files" failed to apply to 6.8-stable tree Date: Wed, 27 Mar 2024 08:07:10 -0400 Message-ID: <20240327120710.2825195-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The patch below does not apply to the 6.8-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ From 321036db915bc647d04750337eb002022c912857 Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Mon, 5 Feb 2024 14:54:05 -0700 Subject: [PATCH] drm/amd/display: Increase frame-larger-than for all display_mode_vba files After a recent change in LLVM, allmodconfig (which has CONFIG_KCSAN=3Dy and CONFIG_WERROR=3Dy enabled) has a few new instances of -Wframe-larger-than for the mode support and system configuration functions: drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn20/display_mode_vba_20v2.= c:3393:6: error: stack frame size (2144) exceeds limit (2048) in 'dml20v2_M= odeSupportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than] 3393 | void dml20v2_ModeSupportAndSystemConfigurationFull(struct display= _mode_lib *mode_lib) | ^ 1 error generated. drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn21/display_mode_vba_21.c:= 3520:6: error: stack frame size (2192) exceeds limit (2048) in 'dml21_ModeS= upportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than] 3520 | void dml21_ModeSupportAndSystemConfigurationFull(struct display_m= ode_lib *mode_lib) | ^ 1 error generated. drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn20/display_mode_vba_20.c:= 3286:6: error: stack frame size (2128) exceeds limit (2048) in 'dml20_ModeS= upportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than] 3286 | void dml20_ModeSupportAndSystemConfigurationFull(struct display_m= ode_lib *mode_lib) | ^ 1 error generated. Without the sanitizers enabled, there are no warnings. This was the catalyst for commit 6740ec97bcdb ("drm/amd/display: Increase frame warning limit with KASAN or KCSAN in dml2") and that same change was made to dml in commit 5b750b22530f ("drm/amd/display: Increase frame warning limit with KASAN or KCSAN in dml") but the frame_warn_flag variable was not applied to all files. Do so now to clear up the warnings and make all these files consistent. Cc: stable@vger.kernel.org Closes: https://github.com/ClangBuiltLinux/linux/issue/1990 Signed-off-by: Nathan Chancellor Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dml/Makefile | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/= amd/display/dc/dml/Makefile index 6042a5a6a44f8..59ade76ffb18d 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile @@ -72,11 +72,11 @@ CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_lib.o :=3D $(d= ml_ccflags) CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_vba.o :=3D $(dml_ccflags) CFLAGS_$(AMDDALPATH)/dc/dml/dcn10/dcn10_fpu.o :=3D $(dml_ccflags) CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/dcn20_fpu.o :=3D $(dml_ccflags) -CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20.o :=3D $(dml_ccflags) +CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20.o :=3D $(dml_ccflags= ) $(frame_warn_flag) CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_rq_dlg_calc_20.o :=3D $(dml_ccfl= ags) -CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20v2.o :=3D $(dml_ccfla= gs) +CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20v2.o :=3D $(dml_ccfla= gs) $(frame_warn_flag) CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_rq_dlg_calc_20v2.o :=3D $(dml_cc= flags) -CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_mode_vba_21.o :=3D $(dml_ccflags) +CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_mode_vba_21.o :=3D $(dml_ccflags= ) $(frame_warn_flag) CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_rq_dlg_calc_21.o :=3D $(dml_ccfl= ags) CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_mode_vba_30.o :=3D $(dml_ccflags= ) $(frame_warn_flag) CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_rq_dlg_calc_30.o :=3D $(dml_ccfl= ags) --=20 2.43.0