[Mesa-dev] [Bug 105412] [OpenGL] [HD 7790] - VSYNC always ON in all videogames

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105412

            Bug ID: 105412
           Summary: [OpenGL] [HD 7790] - VSYNC always ON in all videogames
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Vulkan/radeon
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: c476815 at nwytg.com
        QA Contact: mesa-dev at lists.freedesktop.org

Linux 4.13.0-36-generic #40~16.04.1-Ubuntu SMP Fri Feb 16 23:25:58 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Bonaire XT [Radeon HD 7790/8770 / R7 360 / R9 260/360 OEM] (prog-if 00 [VGA
controller])
        Subsystem: Micro-Star International Co., Ltd. [MSI] Bonaire XT [Radeon
HD 7790/8770 / R7 360 / R9 260/360 OEM]
        Flags: bus master, fast devsel, latency 0, IRQ 25
        Memory at d0000000 (64-bit, prefetchable) [size=256M]
        Memory at cf800000 (64-bit, prefetchable) [size=8M]
        I/O ports at d000 [size=256]
        Memory at f7fc0000 (32-bit, non-prefetchable) [size=256K]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [48] Vendor Specific Information: Len=08 <?>
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
        Capabilities: [150] Advanced Error Reporting
        Capabilities: [270] #19
        Capabilities: [2b0] Address Translation Service (ATS)
        Capabilities: [2c0] #13
        Capabilities: [2d0] #1b
        Kernel driver in use: radeon
        Kernel modules: radeon, amdgpu


After update linux kernel (> 4.09) VSYNC always(!!!) ON mode in all OpenGL
videogames (max < 60 fps). Please, FIX and set correct VSYNC mode.
"vblank_mode=0" is do NOT resolve this problem!

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