$ cat /var/log/Xorg.0.log | grep RADEON
[ 565.640] (II) RADEON: Driver for ATI Radeon chipsets:
ATI Mobility RADEON HD 4850, ATI Mobility RADEON HD 4850 X2,
ATI Mobility RADEON HD 4870, ATI Mobility RADEON M98,
ATI Mobility RADEON HD 4870, ATI Radeon 4800 Series,
ATI RV730XT [Radeon HD 4670], ATI RADEON E4600,
ATI Mobility Radeon HD 2400, ATI RADEON E2400, ATI RV610,
[ 565.644] (II) RADEON(0): Creating default Display subsection in Screen
section
[ 565.644] (==) RADEON(0): Depth 24, (--) framebuffer bpp 32
[ 565.644] (II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp
pixmaps)
[ 565.644] (==) RADEON(0): Default visual is TrueColor
[ 565.644] (==) RADEON(0): RGB weight 888
[ 565.644] (II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
[ 565.644] (--) RADEON(0): Chipset: "TAHITI" (ChipID = 0x679a)
[ 565.656] (II) RADEON(0): glamor detected, initialising EGL layer.
[ 565.656] (II) RADEON(0): KMS Color Tiling: enabled
[ 565.656] (II) RADEON(0): KMS Color Tiling 2D: enabled
[ 565.656] (II) RADEON(0): KMS Pageflipping: enabled
[ 565.656] (II) RADEON(0): SwapBuffers wait for vsync: enabled
[ 565.664] (II) RADEON(0): Output DisplayPort-0 has no monitor section
[ 565.682] (II) RADEON(0): Output DisplayPort-1 has no monitor section
[ 565.683] (II) RADEON(0): Output HDMI-0 has no monitor section
[ 565.696] (II) RADEON(0): Output DVI-0 has no monitor section
[ 565.704] (II) RADEON(0): EDID for output DisplayPort-0
[ 565.722] (II) RADEON(0): EDID for output DisplayPort-1
[ 565.722] (II) RADEON(0): Printing probed modes for output DisplayPort-1
[ 565.722] (II) RADEON(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184
1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
[ 565.722] (II) RADEON(0): Modeline "800x600"x60.3 40.00 800 840 968 1056
600 601 605 628 +hsync +vsync (37.9 kHz e)
[ 565.722] (II) RADEON(0): Modeline "800x600"x56.2 36.00 800 824 896 1024
600 601 603 625 +hsync +vsync (35.2 kHz e)
[ 565.722] (II) RADEON(0): Modeline "848x480"x60.0 33.75 848 864 976 1088
480 486 494 517 +hsync +vsync (31.0 kHz e)
[ 565.722] (II) RADEON(0): Modeline "640x480"x59.9 25.18 640 656 752 800
480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 565.723] (II) RADEON(0): EDID for output HDMI-0
[ 565.736] (II) RADEON(0): EDID for output DVI-0
[ 565.736] (II) RADEON(0): Output DisplayPort-0 disconnected
[ 565.736] (II) RADEON(0): Output DisplayPort-1 connected
[ 565.736] (II) RADEON(0): Output HDMI-0 disconnected
[ 565.736] (II) RADEON(0): Output DVI-0 disconnected
[ 565.736] (II) RADEON(0): Using exact sizes for initial modes
[ 565.736] (II) RADEON(0): Output DisplayPort-1 using initial mode 1024x768
+0+0
[ 565.736] (II) RADEON(0): Using default gamma of (1.0, 1.0, 1.0) unless
otherwise stated.
[ 565.736] (II) RADEON(0): mem size init: gart size :7fbcc000 vram size:
s:c0000000 visible:beda6000
[ 565.736] (==) RADEON(0): DPI set to (96, 96)
[ 565.736] (II) RADEON(0): [DRI2] Setup complete
[ 565.736] (II) RADEON(0): [DRI2] DRI driver: radeonsi
[ 565.736] (II) RADEON(0): [DRI2] VDPAU driver: radeonsi
[ 565.736] (II) RADEON(0): Front buffer size: 3072K
[ 565.736] (II) RADEON(0): VRAM usage limit set to 2811391K
[ 565.736] (==) RADEON(0): DRI3 disabled
[ 565.736] (==) RADEON(0): Backing store enabled
[ 565.736] (II) RADEON(0): Direct rendering enabled
[ 565.759] (II) RADEON(0): Use GLAMOR acceleration.
[ 565.759] (II) RADEON(0): Acceleration enabled
[ 565.759] (==) RADEON(0): DPMS enabled
[ 565.759] (==) RADEON(0): Silken mouse enabled
[ 565.759] (II) RADEON(0): Set up textured video (glamor)
[ 565.759] (II) RADEON(0): [XvMC] Associated with GLAMOR Textured Video.
[ 565.759] (II) RADEON(0): [XvMC] Extension initialized.
[ 565.759] (II) RADEON(0): RandR 1.2 enabled, ignore the following RandR
disabled message.
[ 565.763] (II) RADEON(0): Setting screen physical size to 270 x 203
>From the log we can see that probe modes only find low resolutions.
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https://bugs.launchpad.net/bugs/1552693
Title:
Radeon driver only provides 1024x768 resolution
Status in mesa package in Ubuntu:
New
Status in xserver-xorg-video-radeonhd package in Ubuntu:
New
Bug description:
I'm using the latest development version of xenial. My graphics card
is AMD HD7950 and I use an mini-DP to DP converter to connect it to an
Acer XB240H monitor. The system works well in Windows 7.
While using the open source radeon driver, the system was only able to
detect resolution up to 1024x768:
$ xrandr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 connected primary 1024x768+0+0 (normal left inverted right x
axis y axis) 0mm x 0mm
1024x768 60.00*
800x600 60.32 56.25
848x480 60.00
640x480 59.94
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-0 disconnected (normal left inverted right x axis y axis)
$ dmesg | grep drm
[ 0.615419] [drm] Initialized drm 1.1.0 20060810
[ 0.630977] [drm] radeon kernel modesetting enabled.
[ 0.633712] fb: switching to radeondrmfb from VESA VGA
[ 0.633863] [drm] initializing kernel modesetting (TAHITI 0x1002:0x679A
0x1682:0x3221).
[ 0.633870] [drm] register mmio base: 0xF7E00000
[ 0.633870] [drm] register mmio size: 262144
[ 0.633935] [drm] Changing default dispclk from 500Mhz to 600Mhz
[ 0.633942] [drm] Detected VRAM RAM=3072M, BAR=256M
[ 0.633943] [drm] RAM width 384bits DDR
[ 0.633980] [drm] radeon: 3072M of VRAM memory ready
[ 0.633980] [drm] radeon: 2048M of GTT memory ready.
[ 0.633985] [drm] Loading tahiti Microcode
[ 0.634037] [drm] Internal thermal controller with fan control
[ 0.634064] [drm] probing gen 2 caps for device 8086:c01 = 261ad03/e
[ 0.638427] [drm] radeon: dpm initialized
[ 0.639773] [drm] Found VCE firmware/feedback version 50.0.1 / 17!
[ 0.639776] [drm] GART: num cpu pages 524288, num gpu pages 524288
[ 0.640486] [drm] probing gen 2 caps for device 8086:c01 = 261ad03/e
[ 0.640489] [drm] PCIE gen 3 link speeds already enabled
[ 0.655393] [drm] PCIE GART of 2048M enabled (table at 0x00000000002E8000).
[ 0.675799] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 0.675800] [drm] Driver supports precise vblank timestamp query.
[ 0.675874] [drm] radeon: irq initialized.
[ 0.816685] [drm] ring test on 0 succeeded in 1 usecs
[ 0.816689] [drm] ring test on 1 succeeded in 1 usecs
[ 0.816692] [drm] ring test on 2 succeeded in 1 usecs
[ 0.816697] [drm] ring test on 3 succeeded in 3 usecs
[ 0.816701] [drm] ring test on 4 succeeded in 2 usecs
[ 1.002289] [drm] ring test on 5 succeeded in 1 usecs
[ 1.002294] [drm] UVD initialized successfully.
[ 1.111494] [drm] ring test on 6 succeeded in 21 usecs
[ 1.111505] [drm] ring test on 7 succeeded in 4 usecs
[ 1.111505] [drm] VCE initialized successfully.
[ 1.111627] [drm] ib test on ring 0 succeeded in 0 usecs
[ 1.111648] [drm] ib test on ring 1 succeeded in 0 usecs
[ 1.111673] [drm] ib test on ring 2 succeeded in 0 usecs
[ 1.111688] [drm] ib test on ring 3 succeeded in 0 usecs
[ 1.111702] [drm] ib test on ring 4 succeeded in 0 usecs
[ 1.780603] [drm] ib test on ring 5 succeeded
[ 2.280602] [drm] ib test on ring 6 succeeded
[ 2.780592] [drm] ib test on ring 7 succeeded
[ 2.781353] [drm] Radeon Display Connectors
[ 2.781354] [drm] Connector 0:
[ 2.781354] [drm] DP-1
[ 2.781355] [drm] HPD5
[ 2.781356] [drm] DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c
0x653c
[ 2.781357] [drm] Encoders:
[ 2.781357] [drm] DFP1: INTERNAL_UNIPHY2
[ 2.781358] [drm] Connector 1:
[ 2.781358] [drm] DP-2
[ 2.781359] [drm] HPD4
[ 2.781360] [drm] DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c
0x654c
[ 2.781360] [drm] Encoders:
[ 2.781361] [drm] DFP2: INTERNAL_UNIPHY2
[ 2.781361] [drm] Connector 2:
[ 2.781362] [drm] HDMI-A-1
[ 2.781362] [drm] HPD1
[ 2.781363] [drm] DDC: 0x6550 0x6550 0x6554 0x6554 0x6558 0x6558 0x655c
0x655c
[ 2.781363] [drm] Encoders:
[ 2.781364] [drm] DFP3: INTERNAL_UNIPHY1
[ 2.781364] [drm] Connector 3:
[ 2.781365] [drm] DVI-I-1
[ 2.781365] [drm] HPD3
[ 2.781366] [drm] DDC: 0x6580 0x6580 0x6584 0x6584 0x6588 0x6588 0x658c
0x658c
[ 2.781367] [drm] Encoders:
[ 2.781367] [drm] DFP4: INTERNAL_UNIPHY
[ 2.781368] [drm] CRT1: INTERNAL_KLDSCP_DAC1
[ 2.821395] [drm] fb mappable at 0xE06EA000
[ 2.821396] [drm] vram apper at 0xE0000000
[ 2.821397] [drm] size 3145728
[ 2.821397] [drm] fb depth is 24
[ 2.821398] [drm] pitch is 4096
[ 2.821451] fbcon: radeondrmfb (fb0) is primary device
[ 2.821497] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[ 2.832610] [drm] Initialized radeon 2.43.0 20080528 for 0000:01:00.0 on
minor 0
[ 3.888602] [drm:radeon_dp_link_train [radeon]] *ERROR* channel eq failed:
5 tries
[ 3.888612] [drm:radeon_dp_link_train [radeon]] *ERROR* channel eq failed
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