Hello, I have laptop with hybrid graphics solution (intel+radeon). Radeon runpm option working (when using DRI_PRIME), however every time when radeon card is powering on kernel write lot of lines to dmesg: [ 1075.055132] ACPI: \_SB_.PCI0.PEG0: ACPI_NOTIFY_BUS_CHECK event [ 1075.055164] ACPI: \_SB_.PCI0.PEG0: Bus check in hotplug_event() [ 1075.064446] switching from power state: [ 1075.064449] ui class: none [ 1075.064450] internal class: boot [ 1075.064451] caps: [ 1075.064452] uvd vclk: 0 dclk: 0 [ 1075.064453] power level 0 sclk: 30000 mclk: 14900 vddc: 900 vddci: 0 pcie gen: 3 [ 1075.064454] status: c b [ 1075.064455] switching to power state: [ 1075.064455] ui class: performance [ 1075.064456] internal class: none [ 1075.064457] caps: [ 1075.064457] uvd vclk: 0 dclk: 0 [ 1075.064458] power level 0 sclk: 30000 mclk: 15000 vddc: 800 vddci: 0 pcie gen: 3 [ 1075.064459] power level 1 sclk: 40000 mclk: 100000 vddc: 875 vddci: 0 pcie gen: 3 [ 1075.064460] power level 2 sclk: 75000 mclk: 100000 vddc: 1025 vddci: 0 pcie gen: 3 [ 1075.064461] power level 3 sclk: 90000 mclk: 100000 vddc: 1025 vddci: 0 pcie gen: 3 [ 1075.064461] power level 4 sclk: 97500 mclk: 100000 vddc: 1075 vddci: 0 pcie gen: 3 [ 1075.064462] status: r [ 1075.065584] [drm] probing gen 2 caps for device 8086:c01 = 261ad03/e [ 1075.065586] [drm] PCIE gen 3 link speeds already enabled [ 1075.067609] [drm] PCIE GART of 1024M enabled (table at 0x0000000000040000). [ 1075.067722] radeon 0000:01:00.0: WB enabled [ 1075.067724] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff880036d8cc00 [ 1075.067725] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff880036d8cc04 [ 1075.067726] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff880036d8cc08 [ 1075.067727] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff880036d8cc0c [ 1075.067728] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff880036d8cc10 [ 1075.209399] [drm] ring test on 0 succeeded in 2 usecs [ 1075.209403] [drm] ring test on 1 succeeded in 1 usecs [ 1075.209406] [drm] ring test on 2 succeeded in 1 usecs [ 1075.209464] [drm] ring test on 3 succeeded in 2 usecs [ 1075.209470] [drm] ring test on 4 succeeded in 1 usecs [ 1075.209528] [drm] ib test on ring 0 succeeded in 0 usecs [ 1075.209577] [drm] ib test on ring 1 succeeded in 0 usecs [ 1075.209621] [drm] ib test on ring 2 succeeded in 0 usecs [ 1075.209646] [drm] ib test on ring 3 succeeded in 0 usecs [ 1075.209663] [drm] ib test on ring 4 succeeded in 0 usecs And when radeon card is automatically powered off by runpm in dmesg I see these lines: [ 1081.923248] ACPI: \_SB_.PCI0.PEG0: ACPI_NOTIFY_BUS_CHECK event [ 1081.923267] ACPI: \_SB_.PCI0.PEG0: Bus check in hotplug_event() Is it OK? Are there any errors? For me lines marked with drm and radeon strings look like test/verbose/debug info. But I really do not know what that ACPI lines are and what it means. It is something important? I just want to be sure if there are some errors or not - as seeing couple of lines every time when card is turned on does not look like pretty. -- Pali Rohár pali.rohar@xxxxxxxxx
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