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Kernel: Enable additional VirtIO displays only on first resolution set

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Also, only allocate the amount of memory we actually need for the given
resolution.
This commit is contained in:
Tom 2021-06-26 20:05:37 -06:00 • committed by Andreas Kling
parent 8749235046
commit 56cd0f929e
5 changed files with 52 additions and 40 deletions
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8
Kernel/Graphics/VirtIOGPU/VirtIOGPU.cpp
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@ -100,14 +100,8 @@ void VirtIOGPU::query_display_information()
auto& scanout = m_scanouts[i].display_info;
scanout = response.scanout_modes[i];
dbgln_if(VIRTIO_DEBUG, "Scanout {}: enabled: {} x: {}, y: {}, width: {}, height: {}", i, !!scanout.enabled, scanout.rect.x, scanout.rect.y, scanout.rect.width, scanout.rect.height);
if (scanout.enabled && !m_default_scanout.has_value()) {
if (scanout.enabled && !m_default_scanout.has_value())
m_default_scanout = i;
} else if (i < m_num_scanouts) {
// TODO: We should not enable all displays until the first resolution set
scanout.rect.width = 1024;
scanout.rect.height = 768;
scanout.enabled = true;
}
}
VERIFY(m_default_scanout.has_value());
}