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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38bf9750299sm30405251fa.12.2026.03.23.17.23.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2026 17:23:18 -0700 (PDT) Date: Tue, 24 Mar 2026 02:23:15 +0200 From: Dmitry Baryshkov To: Alexander Koskovich Cc: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Jonathan Marek , Neil Armstrong , Pengyu Luo , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] drm/msm/dpu: calculate data_width like downstream Message-ID: References: <20260322-fix-data-width-calc-v2-1-d5f28136bc4e@pm.me> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260322-fix-data-width-calc-v2-1-d5f28136bc4e@pm.me> X-Authority-Analysis: v=2.4 cv=GIIF0+NK c=1 sm=1 tr=0 ts=69c1d97a cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=-uvraK2mi3rOfbV3l6YA:9 a=CjuIK1q_8ugA:10 a=zZCYzV9kfG8A:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI0MDAwMSBTYWx0ZWRfXycM7Te3nsr0V tmzrU/EbGTK+l50IvrF/gA9ifmXmfNZV/0M27Uo1g4HTbmaV58bMaSmv+jgCvwyZPhL5m7+L6xJ uiosAxEYoUqWB15XPTGFpYu7cxWaVX6BUelg8ciO1bTBhOUTSXEZWcgZtWAHildep6WUitpbouN Ylr0/utSAm+6XgGxstOWRmouLfaX9M/QAzFgHMb69l3B7YOo4+0vxdyCaVGA2R2ukET0t0zDd1Z wFRS3m4twN8qBQGCl6qurzsqDWjgt7pCPbiK5dM4tyfcVYi2t/oHthfY63ryrxj/08GsmYo+nrO TnurDFQRKK9JHeinO7HlHDbk8hXPJoSqCdudpIkG9SfQXq+WEzjHk9G1urYssUpYNcthn2Sy+tm vcFzVbV2Jbqa0zZtZ50PoWisTuzXOT/aoaYdnnhjVtUHTCAiESkI78pX/8wuoDA0UqY4L8b66/U Jdn58FqHxtErPml0J9g== X-Proofpoint-GUID: AnJU1ewLiz8d8zfwbaTEQEqdgazkjJu8 X-Proofpoint-ORIG-GUID: AnJU1ewLiz8d8zfwbaTEQEqdgazkjJu8 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_07,2026-03-23_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 malwarescore=0 priorityscore=1501 phishscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603240001 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Sun, Mar 22, 2026 at 06:48:09PM +0000, Alexander Koskovich wrote: > Derive INTF data_width from dce_bytes_per_line rather than > timing->width when DSC is enabled. Use DIV_ROUND_UP to avoid > rounding errors. > > Signed-off-by: Alexander Koskovich > --- > Changes in v2: > - Added back comment about DSC & DP > - Link to v1: https://lore.kernel.org/r/20260322-fix-data-width-calc-v1-1-128880f5a067@pm.me > --- > .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 2 ++ > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 26 +++++++++++++++++----- > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h | 1 + > 3 files changed, 24 insertions(+), 5 deletions(-) > Reviewed-by: Dmitry Baryshkov -- With best wishes Dmitry