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Mon, 23 Mar 2026 00:09:10 -0700 (PDT) Received: from hu-botlagun-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b083655b45sm133118795ad.42.2026.03.23.00.09.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2026 00:09:10 -0700 (PDT) From: Venkata Gopi Nagaraju Botlagunta Subject: [PATCH v5 0/2] This series adds LT9211C bridge driver by extending LT9211. Date: Mon, 23 Mar 2026 12:38:51 +0530 Message-Id: <20260323-add-lt9211c-bridge-v5-0-9c63bb035c17@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAPnwGkC/33NPQ7CMAwF4KugzKSynfQHJu6BGNLEhUgthQQqE OrdSTsghsJi6VnPn18icvAcxXb1EoEHH31/TiFfr4Q9mfORpXcpCwLKYYMgjXOyvW0I0co6eJc auSFsbI22AiXS4SVw4x8zuj+kfPLx1ofn/GPAafuXG1Ci1A2pUkPDCLjrY8yud9PavuuyNMSkD uojIWG1KCkJEpmhKMGAq+mHpL8k0ouSTpKGgkvFliqbL0jjOL4BExa4cE8BAAA= X-Change-ID: 20250910-add-lt9211c-bridge-5a21fcb1c803 To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Marek Vasut Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Gopi Botlagunta , Nilesh Laad , venkata.valluru@oss.qualcomm.com, jessica.zhang@oss.qualcomm.com, Yi Zhang X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774249743; l=2066; i=venkata.botlagunta@oss.qualcomm.com; s=20251110; h=from:subject:message-id; bh=ZixNuX96anr+2evLY02oha9TOOZszn+4rGj7MvKNj3k=; b=5ENlYrASWDTxfX0mMXw01Vp/f3S1xHPH80VS2hy75iL3AX3qCUPpW1Dw7U/MyDnyQVVGuZyZZ kWV28K5Ak3RBbkRhIhNpZBGwcwXZRqmJCnfg+wKhPnDgB6c7Clj8eTW X-Developer-Key: i=venkata.botlagunta@oss.qualcomm.com; a=ed25519; pk=/SnYBwlkTzDCLnHFgEY0qFwPgKIV+aQWRbc3naiLzrk= X-Proofpoint-GUID: EhZ5h2mMOBOrM7u6KjRmUc9VSQe75oSU X-Authority-Analysis: v=2.4 cv=Q63fIo2a c=1 sm=1 tr=0 ts=69c0e718 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=lZVLp-onbeaezkPo7RwA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-ORIG-GUID: EhZ5h2mMOBOrM7u6KjRmUc9VSQe75oSU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIzMDA1MyBTYWx0ZWRfX191RbGvd49/B 4XmMkzBtoAacMbWbWVLimY+p9TB7a0AiYUw4rQS1Tbs5VDJRVNesYJNYGeEZYEzXL64IWrIXQ/f A/sj6ehEHjNqNNvTmfWFSa4e99xKKkn17acT1wnpEDKkYzx+//4N4sF5nfMyjXa5yGoZ3BayoJK znuXsW6VwF30/L+FrWLopRPQf48ZY+2HKVTNkADTWywGQ9VC8cTalSQJmU0CKi7AWIpy/kj/6aa pKPb5rTOD43zXwhQBXtb3M4A32tgPckNRuHHHyyucRe2bAnbbrlssyVzxpvHTZ32C22B12HgU36 88ZGPUq8R0CrrSzvlg6H3dJSD5OPPebc7fMT254e27N+8LRtSXhTdbb+qKir2YQxcSoR5x3FtTz s4L70naH2Nm4HHdBm8c+aRahpgHNBOdetQPOVH9nxc7Ks7O7nUjG7i7DyYvD+RcFOpifxYzYBU1 G2qG1VJTbExY6LCNJOQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-23_02,2026-03-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 priorityscore=1501 bulkscore=0 spamscore=0 malwarescore=0 adultscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603230053 LT9211c is a Single/Dual-Link DSI/LVDS or Single DPI input to Single-link/Dual-Link DSI/LVDS or Single DPI output bridge chip. This adds support for DSI to LVDS bridge configuration.By Extending the existing lontium-lt9211 driver to support DSI-to-LVDS bridge configuration. Signed-off-by: Gopi Botlagunta Signed-off-by: Nilesh Laad --- Changes in v5: - Addressed code formatting in lt9211 driver (no functional or design changes) - Addressed v4 comments on lontium-lt9211.yaml. - Link to v4: https://lore.kernel.org/r/20251224-add-lt9211c-bridge-v4-0-406e73ec28c5@oss.qualcomm.com Changes in v4: - Removed lontium-lt9211c.yaml. - Extended lontium-lt9211.yaml to support LT9211C. - Link to v3: https://lore.kernel.org/r/20251218-add-lt9211c-bridge-v3-0-1ee0670a0db2@oss.qualcomm.com Changes in v3: - removed lontium-lt9211c as separate driver - Add support to lontium-lt9211c bridge driver by extending the existing lontium-lt9211.c - fixed kernel test robot reported build errors - Link to v2:https://lore.kernel.org/lkml/20251107-add-lt9211c-bridge-v2-0-b0616e23407c@oss.qualcomm.com/ Changes in v2: - Combined driver patch from https://lore.kernel.org/lkml/20250911-lt9211c-bridge-support-v1-1-c221202cbcd5@oss.qualcomm.com/ - Added MODULE_AUTHOR - Uppercase to lowercase for hex values - Link to v1:https://lore.kernel.org/r/20250910-add-lt9211c-bridge-v1-1-4f23740fe101@oss.qualcomm.com --- Yi Zhang (2): dt-bindings: display: bridge: lontium,lt9211: Add lt9211c support drm/bridge: add support for lontium lt9211c bridge .../bindings/display/bridge/lontium,lt9211.yaml | 5 +- drivers/gpu/drm/bridge/lontium-lt9211.c | 846 ++++++++++++++++++++- 2 files changed, 808 insertions(+), 43 deletions(-) --- base-commit: f50b969bafafb2810a07f376387350c4c0d72a21 change-id: 20250910-add-lt9211c-bridge-5a21fcb1c803 Best regards, -- Gopi Botlagunta