https://bugs.kde.org/show_bug.cgi?id=492643
Bug ID: 492643
Summary: High GPU usage and lagging of video, web browsers and
plasma animation with kwin_wayland
Classification: Plasma
Product: kwin
Version: 6.1.4
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: starodubcev...@gmail.com
Target Milestone: ---
Created attachment 173309
--> https://bugs.kde.org/attachment.cgi?id=173309&action=edit
kwin_wayland is idle
When I use kwin_wayland, GPU consumption is much greater than with kwin_x11.
This can be seen in the screenshots of intel_gpu_top which are attached to the
tiket. This leads to the fact that even watching SD videos is impossible
because picture is not smoothed. There is also no smoothness in the animation
of the interface and web browsers.
I also tryed to set KWIN_DRM_DISABLE_TRIPLE_BUFFERING=1 and this add some
smoothness, but not resolve a problem, and GPU consumption is still high.
STEPS TO REPRODUCE
Run kde on intel kabylake graphic with wayland
OBSERVED RESULT
High GPU usage and lagging of video, web browsers and plasma animation
EXPECTED RESULT
The same uses of resources and the smoothness of work as on x11
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.1.4
KDE Frameworks Version: 6.5.0
Qt Version: 6.7.2
Kernel Version: 6.10.7-arch1-1 (64-bit)
Graphics Platform: Wayland
HARDWARE VERSIONS
Processors: 4 × Intel® Core™ i5-7200U CPU @ 2.50GHz
Memory: 19.3 ГиБ of RAM
Graphics Processor: Mesa Intel® HD Graphics 620
Manufacturer: LENOVO
Product Name: 80XL
System Version: Lenovo ideapad 320-15IKB
ADDITIONAL INFORMATION
GLXINFO:
glxinfo | /usr/bin/grep render
direct rendering: Yes
GLX_MESA_copy_sub_buffer, GLX_MESA_gl_interop, GLX_MESA_query_renderer,
GLX_MESA_gl_interop, GLX_MESA_query_renderer, GLX_MESA_swap_control,
Extended renderer info (GLX_MESA_query_renderer):
OpenGL renderer string: Mesa Intel(R) HD Graphics 620 (KBL GT2)
GL_ARB_compute_variable_group_size, GL_ARB_conditional_render_inverted,
GL_INTEL_blackhole_render, GL_INTEL_conservative_rasterization,
GL_NV_conditional_render, GL_NV_copy_image, GL_NV_depth_clamp,
GL_ARB_compute_variable_group_size, GL_ARB_conditional_render_inverted,
GL_INTEL_blackhole_render, GL_INTEL_performance_query,
GL_NV_compute_shader_derivatives, GL_NV_conditional_render,
GL_EXT_render_snorm, GL_EXT_robustness, GL_EXT_sRGB_write_control,
GL_EXT_texture_view, GL_EXT_unpack_subimage, GL_INTEL_blackhole_render,
GL_NV_conditional_render, GL_NV_draw_buffers,
GL_NV_fbo_color_attachments,
GL_OES_element_index_uint, GL_OES_fbo_render_mipmap,
LSPCI:
lspci | /usr/bin/grep -E 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02)
01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 940MX] (rev a2)
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