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Hello guys, i have a dell laptop with hybrid vga. But i use only integrated graphics. So, i blacklisted radeon some times ago and used vgaswitcheroo to turn them off.
But a couple of days ago radeon card was alive, again, but i have no idea why.
for example "cat /sys/kernel/debug/vgaswitcheroo/switch" produces:
0:IGD:+:Pwr:0000:00:02.0
1:DIS: :DynOff:0000:03:00.0 #Is DynOff == Off ?
i see radeon in output of "sensors":
radeon-pci-0300
Adapter: PCI adapter
temp1: N/A (crit = +120.0°C, hyst = +90.0°C)
lspci | grep VGA produces:
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09)
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Venus PRO [Radeon HD 8850M / R9 M265X] (rev ff)
lsmod | grep radeon
radeon 1474560 0
ttm 77824 1 radeon
drm_kms_helper 118784 2 i915,radeon
drm 294912 11 ttm,i915,drm_kms_helper,radeon
i2c_algo_bit 16384 2 i915,radeon
dmesg | grep radeon
[ 2.960749] [drm] radeon kernel modesetting enabled.
[ 2.996429] radeon 0000:03:00.0: enabling device (0000 -> 0003)
[ 3.099955] radeon 0000:03:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used)
[ 3.099956] radeon 0000:03:00.0: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF
[ 3.100055] [drm] radeon: 2048M of VRAM memory ready
[ 3.100055] [drm] radeon: 2048M of GTT memory ready.
[ 3.109892] [drm] radeon: dpm initialized
[ 3.119209] radeon 0000:03:00.0: WB enabled
[ 3.119211] radeon 0000:03:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff88044b4fcc00
[ 3.119212] radeon 0000:03:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff88044b4fcc04
[ 3.119212] radeon 0000:03:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff88044b4fcc08
[ 3.119213] radeon 0000:03:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff88044b4fcc0c
[ 3.119214] radeon 0000:03:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff88044b4fcc10
[ 3.120016] radeon 0000:03:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90003635a18
[ 3.140465] radeon 0000:03:00.0: fence driver on ring 6 use gpu addr 0x0000000080000c18 and cpu addr 0xffff88044b4fcc18
[ 3.140466] radeon 0000:03:00.0: fence driver on ring 7 use gpu addr 0x0000000080000c1c and cpu addr 0xffff88044b4fcc1c
[ 3.140468] radeon 0000:03:00.0: radeon: MSI limited to 32-bit
[ 3.140506] radeon 0000:03:00.0: radeon: using MSI.
[ 3.140551] [drm] radeon: irq initialized.
[ 5.829553] [drm] Initialized radeon 2.45.0 20080528 for 0000:03:00.0 on minor 1
[ 13.020480] radeon 0000:03:00.0: WB enabled
[ 13.020485] radeon 0000:03:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff88044b4fcc00
[ 13.020488] radeon 0000:03:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff88044b4fcc04
[ 13.020490] radeon 0000:03:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff88044b4fcc08
[ 13.020492] radeon 0000:03:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff88044b4fcc0c
[ 13.020495] radeon 0000:03:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff88044b4fcc10
[ 13.021291] radeon 0000:03:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90003635a18
[ 13.041743] radeon 0000:03:00.0: fence driver on ring 6 use gpu addr 0x0000000080000c18 and cpu addr 0xffff88044b4fcc18
[ 13.041745] radeon 0000:03:00.0: fence driver on ring 7 use gpu addr 0x0000000080000c1c and cpu addr 0xffff88044b4fcc1c
ps -I won't totally turn them off.
pps - I already tried acpi_call, but test.sh doesn't found signal for my card. i guess.
Sorry for my bad english and i thank you !
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The discrete gpu should be totally off. Those dmesg messages are normal, they are printed when the driver loads and when X starts, but when the card is not in use the driver will automatically turn it off.
R00KIE
Tm90aGluZyB0byBzZWUgaGVyZSwgbW92ZSBhbG9uZy4K
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