| Summary: | [GM45]FBC is enabled when connect external display | ||||||||
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| Product: | DRI | Reporter: | fangxun <xunx.fang> | ||||||
| Component: | DRM/Intel | Assignee: | Jesse Barnes <jbarnes> | ||||||
| Status: | CLOSED DUPLICATE | QA Contact: | |||||||
| Severity: | normal | ||||||||
| Priority: | medium | ||||||||
| Version: | unspecified | ||||||||
| Hardware: | All | ||||||||
| OS: | Linux (All) | ||||||||
| Whiteboard: | |||||||||
| i915 platform: | i915 features: | ||||||||
| Attachments: |
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Created attachment 33916 [details]
Xorg log
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Created attachment 33915 [details] dmesg file System Environment: -------------------------- Arch: x86_64 Platform: GM45 Libdrm: (master)04fd3872ee8bd8d5e2c27740508c67c2d51dbc11 Mesa: (master)6f4ce4a4fed9f0f0f0ee89a63e406ab86dae7150 Xserver: (master)bbae92795c7eab062e6722c42fa7915e0cee5d69 Xf86_video_intel: (master)318aa9ed799197810e2039dbe3ec51559dcc888c Kernel: (drm-intel-next)338d762fc2dc2c1493813123fc4cea998bb3e683 Bug detailed description: ------------------------- FBC should disabled when connect external display. But we find FBC is enabled on GM45 when connect external display(whether connect monitor before or after startx). Reproduce steps: ---------------- If connect external display before startX: 1.booting kernel with drm.debug=0x6 2.connect external display 3.start X 4.dmesg | grep fbc If connect external display after startX: 1.booting kernel with drm.debug=0x6 2.start X 3.connect external disaplay 4.xrandr --auto 5.dmesg | grep fbc