Fabian
45 lines
1.1 KiB
Bash
45 lines
1.1 KiB
Bash
#!/bin/bash
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# Analyze ppfeaturemask for AMD GPU OC
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MASK=$(cat /sys/module/amdgpu/parameters/ppfeaturemask 2>/dev/null)
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echo "Current ppfeaturemask: $MASK"
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python3 -c "
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mask = $MASK
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print(f'Hex: {mask:#010x}')
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print(f'Binary: {mask:032b}')
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print()
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bits = {
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0: 'PP_FEATURE_DPM_PREFETCHER',
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1: 'PP_FEATURE_DPM_GFXCLK',
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2: 'PP_FEATURE_DPM_UCLK',
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3: 'PP_FEATURE_DPM_SOCCLK',
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4: 'PP_FEATURE_DPM_MP0CLK',
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5: 'PP_FEATURE_DPM_LINK',
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6: 'PP_FEATURE_DPM_DCEFCLK',
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8: 'PP_FEATURE_DS_GFXCLK',
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9: 'PP_FEATURE_DS_SOCCLK',
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10: 'PP_FEATURE_DS_LCLK',
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11: 'PP_FEATURE_DS_FCLK',
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12: 'PP_FEATURE_DS_MP1CLK',
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13: 'PP_FEATURE_FW_DSTATE',
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14: 'PP_OVERDRIVE_MASK',
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15: 'PP_GFXOFF_MASK',
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}
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for bit, name in sorted(bits.items()):
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val = bool((mask >> bit) & 1)
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flag = 'ON' if val else 'OFF'
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print(f' Bit {bit:2d}: {flag:3s} - {name}')
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# Try all bits ON
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full = 0xffffffff
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print(f'\nFull enable: {full:#010x}')
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# OD specifically
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od = mask | (1 << 14)
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print(f'With OD: {od:#010x}')
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"
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echo ""
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echo "=== Current boot params ==="
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grep -i amdgpu /boot/limine.conf 2>/dev/null || grep -i amdgpu /proc/cmdline 2>/dev/null
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