Differences

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--- tips:gpu [2016/11/25 20:02] – scipio
+++ tips:gpu [2022/11/04 08:13] (current) – [nvidia and wayland] sscipioni
@@ Line 1: / Line 1: @@
 ====== GPU ======
-  * [[https://lime-technology.com/forum/index.php?topic=37495.0|code 43 solved]]
+===== nvidia and wayland =====
-  * [[https://lime-technology.com/forum/index.php?topic=43644.msg464975#msg464975|extract ROM]]
-===== Prereq =====
+add **nvidia_drm.modeset=1** to grub settings ///etc/default/grub//
-Two graphic cards: A as best card and B card.
-* To extract ROM from best card mount B card in first slot (16x BOOT card) and A card in second slot
-* boot and
+/etc/modprobe.d/nvidia-power-management.conf
 <code>
-cat /proc/driver/nvidia/gpus/0000\:06\:00.0/information
+options nvidia NVreg_PreserveVideoMemoryAllocations=1 NVreg_TemporaryFilePath=/var/tmp
-Model: 		 GeForce GTX 750 Ti
-IRQ:   		 38
-GPU UUID: 	 GPU-1a843395-eac3-0f8f-11f4-7edbb2a0e088
-Video BIOS: 	 82.07.55.00.1b
-Bus Type: 	 PCIe
-DMA Size: 	 40 bits
-DMA Mask: 	 0xffffffffff
-Bus Location: 	 0000:06:00.0
-Device Minor: 	 0
 </code>
-<code bash>
+enable these services
-echo "0000:06:00.0" > /sys/bus/pci/drivers/vfio-pci/unbind
+<code>
-cd /sys/bus/pci/devices/0000\:06\:00.0
+systemctl enable nvidia-hibernate
-echo 1 > rom
+systemctl enable nvidia-resume
-cat rom > /opt/vbios.dump
+systemctl enable nvidia-suspend
-echo 0 > rom
-</code>
-</code>
-  * Install ovfm
-  * https://scottlinux.com/2016/03/21/enable-hyper-v-enlightenments-in-kvm-for-better-windows-vm-performance/
-<file txt /etc/modules>
-vfio
-vfio_iommu_type1
-vfio_pci
-vfio_virqfd
-</file>
-<code bash>
-update-initramfs -u
 </code>
-Create VM and customize configuration before start:
-  * In the "Overview" section, set your firmware to "UEFI" and Q35 BIOS
-  * In the "Processor" section write CPU model to "host-passthrough"
-<file>
-<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
-...
-<features>
-	<hyperv>
-		<vendor_id state='on' value='123456789ab'/>
-	</hyperv>
-	<kvm>
-	<hidden state='on'/>
-	</kvm>
-</features>
-    <hostdev mode='subsystem' type='pci' managed='yes'>
-      <source>
-        <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
-      </source>
-      <rom file='/opt/Palit.GTX750Ti.2048.140702.rom'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
-    </hostdev>
-    <hostdev mode='subsystem' type='pci' managed='yes'>
-      <source>
-        <address domain='0x0000' bus='0x01' slot='0x00' function='0x1'/>
-      </source>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
-    </hostdev>
-...
-  <qemu:commandline>
-    <qemu:arg value='-set'/>
-    <qemu:arg value='device.hostdev0.x-vga=on'/>
-  </qemu:commandline>
-</domain>
-</file>