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<h1 id="renaming-gpus">Renaming GPUs</h1>
<blockquote>
<p><em>Last modified: Tue Apr 14 2020 01:19:11 GMT+0000 (Coordinated Universal Time)</em></p>
</blockquote>
<h1 id="renaming-gpus"><a name="renaming-gpus" class="plugin-anchor" href="#renaming-gpus"><i class="fa fa-link" aria-hidden="true"></i></a>Renaming GPUs</h1>
<p>So this is mainly needed for GPUs that are not natively supported OOB due to their names, most commonly:</p>
<ul>
<li>R9 290/390</li>
@@ -411,7 +436,7 @@
<li>ACPI Path of the GPU</li>
<li><a href="https://github.com/khronokernel/Getting-Started-With-ACPI/blob/master/extra-files/SSDT-GPU-SPOOF.dsl.zip" target="_blank">SSDT-GPU-SPOOF</a></li>
</ul>
<h2 id="finding-a-suitable-pci-id">Finding a suitable PCI ID</h2>
<h2 id="finding-a-suitable-pci-id"><a name="finding-a-suitable-pci-id" class="plugin-anchor" href="#finding-a-suitable-pci-id"><i class="fa fa-link" aria-hidden="true"></i></a>Finding a suitable PCI ID</h2>
<p>To find a suitable PCI ID, we&apos;ll be using <a href="https://pci-ids.ucw.cz/read/PC/1002" target="_blank">PCI ID Repository</a> which has a full database of all AMD GPUs. For this example, we&apos;ll be creating a Spoof SSDT for the R9 390. For a full list of supported GPUs, please see the <a href="https://gpu.dortania.ml/" target="_blank">GPU Buyers Guide</a>. The closest match to this GPU would be the 390X, and looking on that site near the top gives us this:</p>
<pre><code>Vendor 1002 -&gt; Device 1002:67b0
</code></pre><p>Now lets break this down into a device ID we can use:</p>
@@ -427,7 +452,7 @@ Buffer (0x04)
},
</code></pre><p>As you can see, the bytes are swapped in pairs. Keep this in mind when we make our SSDT</p>
<p>The specifics are due to <a href="https://en.wikipedia.org/wiki/Endianness" target="_blank">Endianness</a> for those who are curious</p>
<h2 id="finding-the-acpi-path-of-the-gpu">Finding the ACPI Path of the GPU</h2>
<h2 id="finding-the-acpi-path-of-the-gpu"><a name="finding-the-acpi-path-of-the-gpu" class="plugin-anchor" href="#finding-the-acpi-path-of-the-gpu"><i class="fa fa-link" aria-hidden="true"></i></a>Finding the ACPI Path of the GPU</h2>
<p>To find the PCI path of a GPU is fairly simple, best way to find it is running Windows: </p>
<ul>
<li>Open Device Manager</li>
@@ -444,7 +469,7 @@ Buffer (0x04)
</code></pre><p>Now converting this to an ACPI path is quite simple, remove the <code>#ACPI</code> and <code>#PCI(0000)</code>:</p>
<pre><code>`_SB_.PC02.BR2A.PEGP
</code></pre><p>And voila! We&apos;ve found our ACPI path, now that we have everything we&apos;re ready to get cooking</p>
<h2 id="making-the-ssdt">Making the SSDT</h2>
<h2 id="making-the-ssdt"><a name="making-the-ssdt" class="plugin-anchor" href="#making-the-ssdt"><i class="fa fa-link" aria-hidden="true"></i></a>Making the SSDT</h2>
<p>To start grab our <a href="https://github.com/khronokernel/Getting-Started-With-ACPI/blob/master/extra-files/SSDT-GPU-SPOOF.dsl.zip" target="_blank">SSDT-GPU-SPOOF</a> and open it up. Here there&apos;s a couple things to change:</p>
<pre><code>External (_SB_.PCI0, DeviceObj)
External (_SB_.PCI0.PEG0.PEGP, DeviceObj)
@@ -469,11 +494,27 @@ Buffer ()
&quot;AMD Radeon R9 390&quot;
}
</code></pre><p><code>&quot;device-id&quot;</code> will be set to our PCI ID that we found in &quot;Finding a suitable PCI ID&quot; and <code>&quot;model&quot;</code> is mainly cosmetic </p>
<h2 id="now-youre-ready-to-compile-the-ssdt"><a href="../Manual/compile.html">Now you&apos;re ready to compile the SSDT!</a></h2>
<h2 id="now-youre-ready-to-compile-the-ssdt"><a name="now-youre-ready-to-compile-the-ssdt" class="plugin-anchor" href="#now-youre-ready-to-compile-the-ssdt"><i class="fa fa-link" aria-hidden="true"></i></a><a href="../Manual/compile.html">Now you&apos;re ready to compile the SSDT!</a></h2>
</section>
</div>
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<h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
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