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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-667b0eb9affsm3448046a12.18.2026.03.19.03.28.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 Mar 2026 03:28:36 -0700 (PDT) Message-ID: <393a9fed-4d21-482d-a211-8808e2f79eea@oss.qualcomm.com> Date: Thu, 19 Mar 2026 11:28:33 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] drm/msm/dsi: support DSC configurations with slice_per_pkt > 1 From: Konrad Dybcio To: Alexander Koskovich , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Jonathan Marek References: <20260318-dsi-dsc-slice-per-pkt-v2-0-0a1b316f8250@pm.me> <20260318-dsi-dsc-slice-per-pkt-v2-2-0a1b316f8250@pm.me> Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: gh4SpGWi2R3i6Gyqu-v5gfULu2MvRsjV X-Proofpoint-ORIG-GUID: gh4SpGWi2R3i6Gyqu-v5gfULu2MvRsjV X-Authority-Analysis: v=2.4 cv=ApTjHe9P c=1 sm=1 tr=0 ts=69bbcfd7 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=RAbU-raeAAAA:8 a=EUspDBNiAAAA:8 a=YgiteBLtTPqnhqBJ560A:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 a=JiizpSU_mAIq9zsZDqn2:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE5MDA4MyBTYWx0ZWRfX8sAZbcWqBptS AMzlBUfIUNhOf7mYV0LBbx1rLKoXqogTcJ39/M1diBGF1tkOaGAeo+wDUHLQxdpkeek+bDGz7Jh EYpkf9ikvxxtGGSK+iqRg8kjf2E13Wa/ZKrgUFF8v+roaEuqdgXKLgstg8fCnbQwdS0E5Nkt19U SY6qyvhx4edF0S5g5HSlw1N0BY/0h1pG83x3lYFxB5agXTXLAEmb1allQic3IKgWxx23LNIn2ZI n5MTRJ2nOdHgcvuXxlPHCjRaNGPIMy5sWF8CjUJETuZ9O4Osop2tAENuYnQEFJ40mE4hWxdT7x1 AyZyYavMexhZLELSUnMTcKoEqV+12Okp9QywVs9tt6HSDClKGL7M+yG0xTSahHIQykpeXw5L7Qz x9g8YRv373nRBQUJ9Rh3YchqxEHM3jEZuK5CIZWgVZD+ZOQHx1c7OxJJ782tBot9MrsLKHhtnM7 YI9A7AghXjSsm/S7VuQ== 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=2026-03-19_01,2026-03-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 suspectscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 spamscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603190083 On 3/19/26 11:26 AM, Konrad Dybcio wrote: > On 3/18/26 10:54 AM, Alexander Koskovich wrote: >> From: Jonathan Marek >> >> Some panels support multiple slice to be sent in a single DSC packet and >> this feature is a must for specific panels, such as the JDI LPM026M648C. >> >> Use the MIPI_DSI_MODE_DSC_ALL_SLICES_IN_PKT flag to derive slice_per_pkt >> from slice_count, note that most panels are expected to just work with >> just one slice per packet. >> >> Signed-off-by: Jonathan Marek >> Signed-off-by: Alexander Koskovich >> --- > > Matches various formulas in the docs > > Reviewed-by: Konrad Dybcio Sorry for a sloppy trailer, let me try again with the right From:.. Reviewed-by: Konrad Dybcio Konrad