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([140.113.216.168]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2466889f11esm47903635ad.150.2025.08.24.11.24.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Aug 2025 11:24:06 -0700 (PDT) From: Kuan-Wei Chiu To: austin.zheng@amd.com, jun.lei@amd.com, harry.wentland@amd.com, sunpeng.li@amd.com, siqueira@igalia.com, alexander.deucher@amd.com, christian.koenig@amd.com, airlied@gmail.com, simona@ffwll.ch Cc: zaeem.mohamed@amd.com, wenjing.liu@amd.com, chiahsuan.chung@amd.com, Natanel.Roizenman@amd.com, Daniel.Sa@amd.com, jserv@ccns.ncku.edu.tw, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Kuan-Wei Chiu Subject: [PATCH 0/2] drm/amd/display: optimize reserved time candidates handling Date: Mon, 25 Aug 2025 02:23:57 +0800 Message-Id: <20250824182359.142050-1-visitorckw@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Optimize the handling of reserved time candidates by replacing the custom bubble sort with the kernel's standard sort() and rewriting duplicate removal with a linear-time fast/slow pointer method. The changes improve sorting from O(N^2) to O(N log N) and duplicate removal from O(N^2) to O(N), reducing computational overhead and eliminating hand-rolled implementations, while correctness has been verified with simple unit tests. Kuan-Wei Chiu (2): drm/amd/display: Optimize reserved time candidates sorting using standard sort() drm/amd/display: Optimize remove_duplicates() from O(N^2) to O(N) .../dml2/dml21/src/dml2_pmo/dml2_pmo_dcn3.c | 41 ++++++++++--------- 1 file changed, 21 insertions(+), 20 deletions(-) -- 2.34.1