From mboxrd@z Thu Jan 1 00:00:00 1970 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 B984E1DF72B; Tue, 8 Oct 2024 13:30:17 +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=1728394217; cv=none; b=uwKEn2WmAt2PzUxuuZkoGctNuktoeyYfOIQv9dp9pLdqRjx6WEFepIDbdN5w7jrdKkRnyBYY/RnUsLkAMYoRmT9V+lbyiLLSAiDG9lCXYgaT3OYIlJ7gyLt+eHO4Co2VNxbjmx3Yemk2mhDO5NsrkGRfGmhNsogg500VnX8NmS4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728394217; c=relaxed/simple; bh=98aq0woGv2qrgsPyB+hL+qnes1erinza0xRCzi5BjKE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IC5XXNdULztxb0M/34UX7nPeYCeCwDO2BUnArmUcd3Yv097Tdg2a+nbhBdC1gi3bK/NMbNDPW0aCP6Isub+dq/yZgy9L+S1ATOPXZsD0WcJb9j58OxBB8dpaLJ+bH9BAxcXhnnsumv9jFX6RWxSrhUvhHaZBIYJmOCJ9xAH+U5M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bQwQX2kg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="bQwQX2kg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E10F7C4CEC7; Tue, 8 Oct 2024 13:30:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728394217; bh=98aq0woGv2qrgsPyB+hL+qnes1erinza0xRCzi5BjKE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bQwQX2kgr38uxjilPDr2HFarLZXoMgeT6efBTY5GurbkXjWIHiUOx0j50n7ux85Wt IZf9tSDobpWeJahLf8Urn298UHTZ/nAzDEqUwGOJo6oHjL03mLCK+a+ti63OAHZHG7 rX43NrPJcuANqxUMTzdpfuTBOgsb2PAvhUsUT1I4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Hung , Gabe Teeger , Wayne Lin , Daniel Wheeler , Alex Deucher Subject: [PATCH 6.6 382/386] drm/amd/display: Revert Avoid overflow assignment Date: Tue, 8 Oct 2024 14:10:27 +0200 Message-ID: <20241008115644.425685392@linuxfoundation.org> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241008115629.309157387@linuxfoundation.org> References: <20241008115629.309157387@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Gabe Teeger commit e80f8f491df873ea2e07c941c747831234814612 upstream. This reverts commit a15268787b79 ("drm/amd/display: Avoid overflow assignment in link_dp_cts") Due to regression causing DPMS hang. Reviewed-by: Alex Hung Signed-off-by: Gabe Teeger Signed-off-by: Wayne Lin Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 2 +- drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c | 3 +-- drivers/gpu/drm/amd/display/include/dpcd_defs.h | 1 - 3 files changed, 2 insertions(+), 4 deletions(-) --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h @@ -721,7 +721,7 @@ struct dp_audio_test_data_flags { struct dp_audio_test_data { struct dp_audio_test_data_flags flags; - uint32_t sampling_rate; + uint8_t sampling_rate; uint8_t channel_count; uint8_t pattern_type; uint8_t pattern_period[8]; --- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c +++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c @@ -849,8 +849,7 @@ bool dp_set_test_pattern( core_link_read_dpcd(link, DP_TRAINING_PATTERN_SET, &training_pattern.raw, sizeof(training_pattern)); - if (pattern <= PHY_TEST_PATTERN_END_DP11) - training_pattern.v1_3.LINK_QUAL_PATTERN_SET = pattern; + training_pattern.v1_3.LINK_QUAL_PATTERN_SET = pattern; core_link_write_dpcd(link, DP_TRAINING_PATTERN_SET, &training_pattern.raw, sizeof(training_pattern)); --- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h +++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h @@ -76,7 +76,6 @@ enum dpcd_phy_test_patterns { PHY_TEST_PATTERN_D10_2, PHY_TEST_PATTERN_SYMBOL_ERROR, PHY_TEST_PATTERN_PRBS7, - PHY_TEST_PATTERN_END_DP11 = PHY_TEST_PATTERN_PRBS7, PHY_TEST_PATTERN_80BIT_CUSTOM,/* For DP1.2 only */ PHY_TEST_PATTERN_CP2520_1, PHY_TEST_PATTERN_CP2520_2,