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fe6abccd74
glob() returns results in an arbitrary order, making the getDriNode() unpredictable. The lower-numbered render node has a high chance of being the one used by the compositor, which avoids possible issues when using DMA-BUFs from another GPU, so let's default to that.
62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
import glob
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import os
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import tools.helpers.props
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unsupported = ["nvidia"]
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def getMinor(args, dev):
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return tools.helpers.props.file_get(args, "/sys/class/drm/{}/uevent".format(dev), "MINOR")
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def getKernelDriver(args, dev):
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return tools.helpers.props.file_get(args, "/sys/class/drm/{}/device/uevent".format(dev), "DRIVER")
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def getCardFromRender(args, dev):
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try:
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return "/dev/dri/" + os.path.basename(sorted(glob.glob("/sys/class/drm/{}/device/drm/card*".format(dev)))[0])
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except IndexError:
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return ""
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def getDriNode(args):
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cfg = tools.config.load(args)
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node = cfg["waydroid"].get("drm_device")
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if node:
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if not os.path.exists(node):
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raise OSError("The specified drm_device {} does not exist".format(node))
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renderDev = os.path.basename(node)
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if getKernelDriver(args, renderDev) not in unsupported:
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return node, getCardFromRender(args, renderDev)
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return "", ""
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for node in sorted(glob.glob("/dev/dri/renderD*")):
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renderDev = os.path.basename(node)
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if getKernelDriver(args, renderDev) not in unsupported:
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return node, getCardFromRender(args, renderDev)
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return "", ""
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def getVulkanDriver(args, dev):
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mapping = {
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"i915": "intel",
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"amdgpu": "radeon",
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"radeon": "radeon",
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"panfrost": "panfrost",
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"msm": "freedreno",
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"msm_dpu": "freedreno",
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"vc4": "broadcom",
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"nouveau": "nouveau",
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}
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kernel_driver = getKernelDriver(args, dev)
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if kernel_driver == "i915":
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try:
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dev = os.path.basename(getCardFromRender(args, dev))
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gen = tools.helpers.run.user(args,["awk", "/^graphics version:|^gen:/ {print $NF}",
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"/sys/kernel/debug/dri/{}/i915_capabilities".format(getMinor(args, dev))], output_return=True, check=False)
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if int(gen) < 9:
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return "intel_hasvk"
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except:
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pass
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if kernel_driver in mapping:
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return mapping[kernel_driver]
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return ""
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