[Bug 58894] Radeon HD 7690M XT only shows 1280x1024, not able to get 1920x1080

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jan 2 12:02:05 PST 2013


https://bugs.freedesktop.org/show_bug.cgi?id=58894

--- Comment #10 from Alex Deucher <agd5f at yahoo.com> ---
Your system appears to be MUXed rather than MUX-less:

[drm] Radeon Display Connectors
[drm] Connector 0:
[drm]   eDP-1
[drm]   HPD2
[drm]   DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c
[drm]   Encoders:
[drm]     LCD1: INTERNAL_UNIPHY1
[drm] Connector 1:
[drm]   DP-1
[drm]   HPD3
[drm]   DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
[drm]   Encoders:
[drm]     DFP1: INTERNAL_UNIPHY2
[drm] Connector 2:
[drm]   DP-2
[drm]   HPD4
[drm]   DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c
[drm]   Encoders:
[drm]     DFP2: INTERNAL_UNIPHY2
[drm] Connector 3:
[drm]   HDMI-A-1
[drm]   HPD1
[drm]   DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c
[drm]   Encoders:
[drm]     DFP3: INTERNAL_UNIPHY1

You just need to use vga-switcheroo to select which GPU the displays are
connected to.

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