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[2001:1c00:c32:7800:5bfa:a036:83f0:f9ec]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8037a5bdb9sm3776086266b.7.2025.12.30.09.03.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Dec 2025 09:03:15 -0800 (PST) From: Hans de Goede Date: Tue, 30 Dec 2025 18:03:00 +0100 Subject: [PATCH v5 03/14] media: mt9m114: Lower minimum vblank value Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251230-mt9m114-atomisp-v5-3-763539e76094@oss.qualcomm.com> References: <20251230-mt9m114-atomisp-v5-0-763539e76094@oss.qualcomm.com> In-Reply-To: <20251230-mt9m114-atomisp-v5-0-763539e76094@oss.qualcomm.com> To: Laurent Pinchart , Mauro Carvalho Chehab , Sakari Ailus Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Laurent Pinchart , Hans de Goede X-Mailer: b4 0.14.2 X-Authority-Analysis: v=2.4 cv=Do9bOW/+ c=1 sm=1 tr=0 ts=695405d5 cx=c_pps a=0mLRTIufkjop4KoA/9S1MA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=P1BnusSwAAAA:8 a=EUspDBNiAAAA:8 a=qoDHQqv3VgfKNNLz41EA:9 a=QEXdDO2ut3YA:10 a=WgItmB6HBUc_1uVUp3mg:22 a=D0XLA9XvdZm18NrgonBM:22 X-Proofpoint-GUID: m2F4WxDcQ4mgev8sDqrmf_X7vyjYQGQb X-Proofpoint-ORIG-GUID: m2F4WxDcQ4mgev8sDqrmf_X7vyjYQGQb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjMwMDE1MyBTYWx0ZWRfX0eNtXy4r1bY7 iArRBSMpucUBgZARLTjssoZFWqFwTGe26XiihRsNjc43AVmm75Yu4T1w9gIby0Yb7xCGQEThOV+ L3WjJ5m1L0Uc8miTCBIh503eKSKeH426J8PY53spNz4nrpHG86UA5mDbetJmYKRq+RHyWWKC29/ hqqW5qg7k/amTNvnQgWaARW4Gwg4PIjJ3YTMcEgqDYD88sJt2g+1JHwTEkQqZAh4XGuV1jMmlbT 5RrDoN32bQVM7Xv7kgmvQAsnR3gELl/OaG3uIymYuLkpXTNB3al4eweOSZRO/guYgGpWL4Sp4W/ auB9RSiTbRiq0k95SPk8yP6/SjtldSy+BaGPQeyaBHdD7/HUd/QdnvDIVpXirQfe36XBImSLMC5 Qao6oV0Q5fdXEvEJjVAKzSPnfPkAMO5t5gYEDetv6uebtNH/bPnrRB3Y/BkNGuq7NQ7fURNSxrq SBW+KOa5pGDqMNiC0iw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-30_02,2025-12-30_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 bulkscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 malwarescore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512300153 As the comment above the defines says, the minimum values are undocumented so the lowest values seen in register lists are used. The version of the mt9m114 driver shipped together with the atomisp code uses 21 for vblank in its register lists, lower MT9M114_MIN_VBLANK accordingly. Reviewed-by: Laurent Pinchart Signed-off-by: Hans de Goede --- drivers/media/i2c/mt9m114.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/mt9m114.c b/drivers/media/i2c/mt9m114.c index bbac5fd9b2ad85a1ab56a7e36de16659bc38a369..d9cc260a13bd9f7dc76b69696ce= 18b953f43e3d0 100644 --- a/drivers/media/i2c/mt9m114.c +++ b/drivers/media/i2c/mt9m114.c @@ -329,13 +329,13 @@ =20 /* * The minimum amount of horizontal and vertical blanking is undocumented.= The - * minimum values that have been seen in register lists are 303 and 38, use + * minimum values that have been seen in register lists are 303 and 21, use * them. * * Set the default to achieve 1280x960 at 30fps with a 48 MHz pixclock. */ #define MT9M114_MIN_HBLANK 303 -#define MT9M114_MIN_VBLANK 38 +#define MT9M114_MIN_VBLANK 21 #define MT9M114_DEF_HBLANK 323 #define MT9M114_DEF_VBLANK 39 =20 --=20 2.52.0