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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI0MDEwNSBTYWx0ZWRfX0sIy6pbrsCZQ 7CzcKBZU2NIVERrFgcysu8J4FA7tMdntlagpsHgDv+00oNHyGofOdfrgXCx42EcH5jAvEq4rbIh TReLZzlTCEnRhatp1iACN5bdXTGfk1w= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI0MDEwNSBTYWx0ZWRfXxMgbzDZHfGFT Hmscq84yVJukXam1XKP1mWHWSbyrRGwoKyqGL3/xvPzKMoobyfo57LgL+ES9XZzgyBoOnI9EIAi FnuEyqWi1CWVgpaWQRj39takgkPE6u/yD78t+UxcO6g9/kQ3r0I0cOYoAD9toYWJN/Y877eqxmi DwXJjD03Pl6/qhVGQlidXEq5E0Lw+QMZ4Hdsqx+tCrGTSE1E0aLBzKsLDDCkTY2FLCAzI6VmQed LykV4Ba5/160XMWbAOe0geKsV4P/Trl/qoPcIFKQ1A4gfzYtVLOHhux0f0ZVBRDKpv/ze+VwNhT neEvJBEjzueWaEOvl8XuTLRqWn4CpXqqPh3U+mSzTuP4/opmYhe0f0R5+a7aB8qs3DOqoD8j54o FzAf5kBG+6XUJ8nVevynRrOrXlPya8o3xFqcmRMfMYoZas8ZtpZxhfa/KTkzDqNDw8DNcjLRKHB KpqDEmv+qacGNsrTLQQ== X-Authority-Analysis: v=2.4 cv=Z9Dc2nRA c=1 sm=1 tr=0 ts=6a634eb2 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=Am0+rXbGVt9FyytbsJdRwA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=e5mUnYsNAAAA:8 a=EUspDBNiAAAA:8 a=MZGBJN6z8D9sCzpjJ74A:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 a=Vxmtnl_E_bksehYqCbjh:22 X-Proofpoint-GUID: 6PlB2SgXYiP8ow_Nt2l9ZiyDsPxII2k4 X-Proofpoint-ORIG-GUID: 6PlB2SgXYiP8ow_Nt2l9ZiyDsPxII2k4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-24_02,2026-07-22_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607240105 On 7/24/2026 4:45 PM, Dmitry Baryshkov wrote: > On Thu, Jul 09, 2026 at 06:05:47PM +0530, Vikash Garodia wrote: >> VPU hardwares have a limitation where VPU streams are associated with >> dedicated addressable address range, as illustrated below >> >> +-----------------------------------------------------------+ >> | Stream A reserved region (600 MB) | >> | 0x00000000 - 0x25800000 | >> +-----------------------------------------------------------+ >> | Stream B reserved region (3.5 GB) | >> | 0x00000000 - 0xe0000000 | >> +-----------------------------------------------------------+ >> | Other reserved regions | >> +-----------------------------------------------------------+ >> >> Mapping a stream outside its expected range can cause unintended >> behavior, including device crashes, as reported at: >> https://gitlab.freedesktop.org/drm/msm/-/work_items/100 >> >> To address this limitation, the subset of stream/s are now represented as >> sub nodes, so that they can be associated to the respective addressable >> range. >> The limitation could be exposed when running usecase like concurrent >> video sessions. The binding have been validated with higher concurrent >> sessions across the SOCs supported under this schema. >> >> Co-developed-by: Vishnu Reddy >> Signed-off-by: Vishnu Reddy >> Signed-off-by: Vikash Garodia >> --- >> .../bindings/media/qcom,sm8550-iris.yaml | 66 +++++++++++++++++++++- >> 1 file changed, 63 insertions(+), 3 deletions(-) >> >> + >> + firmware: > > Venus devices have been using 'video-firmware' here. Can we please use > that name? Or I'd ask differently: what is the reason for deviating from > the name that has already been used? > fair point. The primary reason was to keep it aligned with other subnodes (pixel/non-pixel) which does not have the video prefix. For firmware, it would be more appropriate to keep it same as defined earlier "video-firmware" >> + type: object >> + description: >> + Firmware context bank represents the firmware processing domain of the VPU. Required to boot >> + VPU when no hypervisor is present. >> + properties: >> + iommus: >> + maxItems: 1 >> + required: >> + - iommus >> + additionalProperties: false >> + >