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[2001:1c00:c32:7800:5bfa:a036:83f0:f9ec]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8037f0b12dsm1750304066b.48.2025.12.24.04.31.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Dec 2025 04:31:17 -0800 (PST) From: Hans de Goede Date: Wed, 24 Dec 2025 13:31:13 +0100 Subject: [PATCH v4 04/15] 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: <20251224-mt9m114-atomisp-v4-4-60b25da7a1bc@oss.qualcomm.com> References: <20251224-mt9m114-atomisp-v4-0-60b25da7a1bc@oss.qualcomm.com> In-Reply-To: <20251224-mt9m114-atomisp-v4-0-60b25da7a1bc@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-Proofpoint-GUID: okeF6awSuPhslLPR3p5POYkiCf6DkqYv X-Proofpoint-ORIG-GUID: okeF6awSuPhslLPR3p5POYkiCf6DkqYv X-Authority-Analysis: v=2.4 cv=QutTHFyd c=1 sm=1 tr=0 ts=694bdd17 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==: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=a_PwQJl-kcHnX1M80qC6:22 a=D0XLA9XvdZm18NrgonBM:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjI0MDEwOSBTYWx0ZWRfXys6zLOjTb2q5 wQlglTzzhJ0J83ZnlNmu4rpGvIJg2Mvq0+8U2jg4JCgjZ+nA2e13N7TA87s8DrJxWlJ+413hP+K 005Ap13G/TZHh4VPABB+BplzCUReEcTG/Cw4w4vfNK+bsh3X4RO4hTQubWn5SGcvfD1mL1S4uXd Cpn/JKhQVSWZTVjrzyG+pcC/ju+gwCICrXJU6OzbTjD0A7XuuWnaq57WUFqcTep94sJMJMqQHkR yqJmtqOAr/BEmtGZVXYLbI2wjXYeBJHFBnkULO1liBjzi3fJ0aY3FeEGexduFLIUFQI1kCQ+pz7 rcZeP6we2gqkZxmoX+D0OdIf7Oz1FbI3AHH6Lan0mIcvRvhu4iE0dSiRNz+r8JRybSdjlhmrfZA 8f+ixWBhPFYl1f9B1S3/FN+zxcFZZQriYFJQ8MQkUjO8mE7oZEHYCik5nAbc0vjamOIUcqwZNe0 vkG/IR/5TYZYsPIQe0A== 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=2025-12-24_03,2025-12-22_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 spamscore=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512240109 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 d1635f49ee047ca696f6053f6c17e30d736ab795..f63ab4bd040a4a62833d8bc716f= 94fc29aa03bd7 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