On Fri, Jun 2, 2017 at 3:35 AM, Florian Echtler <floe@xxxxxxxxxxxxxx> wrote: > On 01.06.2017 19:53, Alex Deucher wrote: >> On Thu, Jun 1, 2017 at 4:27 AM, Florian Echtler <floe@xxxxxxxxxxxxxx> wrote: >>> On 31.05.2017 14:57, Alex Deucher wrote: >>>> On Wed, May 31, 2017 at 5:21 AM, Lukas Wunner <lukas@xxxxxxxxx> wrote: >>> >>> Here's the (substantial) dmesg output, with drm.debug=0xf: >>> http://floe.butterbrot.org/external/radeon/dmesg_after_suspend >>> >>> I haven't been able to find any references to link training, though. >> >> I need your dmesg from boot to confirm the display topology, but eDP >> with r7xx asics was pretty rare. I suspect your system just uses >> LVDS; as such there is no link training involved. > > I've updated the trace with increased log_buf_len so nothing is truncated: > > http://floe.butterbrot.org/external/radeon/dmesg_after_suspend.txt > > (trace now contains a full boot including suspend and wakeup) > > However, what I'm seeing now does sound like the internal connection is indeed eDP: > > [ 166.816162] [drm:drm_mode_setcrtc] [CRTC:34:crtc-0] > [ 166.816166] [drm:drm_mode_setcrtc] [CONNECTOR:40:eDP-1] > [ 166.816167] [drm:drm_crtc_helper_set_config] > [ 166.816169] [drm:drm_crtc_helper_set_config] [CRTC:34:crtc-0] [FB:54] > #connectors=1 (x y) (0 0) > [ 166.816170] [drm:drm_crtc_helper_set_config] crtc has no fb, full mode set > [ 166.816172] [drm:drm_mode_object_reference] OBJ ID: 40 (4) > [ 166.816173] [drm:drm_crtc_helper_set_config] encoder changed, full mode switch > [ 166.816174] [drm:drm_crtc_helper_set_config] crtc changed, full mode switch > [ 166.816174] [drm:drm_crtc_helper_set_config] [CONNECTOR:40:eDP-1] to > [CRTC:34:crtc-0] > [ 166.816175] [drm:drm_crtc_helper_set_config] attempting to set mode from > userspace > [ 166.816177] [drm:drm_mode_debug_printmodeline] Modeline 65:"" 0 241500 2560 > 2608 2640 2720 1440 1443 1448 1481 0x0 0x9 > [ 166.816180] [drm:radeon_encoder_set_active_device] setting active device to > 00000002 from 00000002 00000002 for encoder 3 > [ 166.816183] [drm:radeon_get_monitor_bpc] eDP-1: Display bpc=8, returned bpc=8 > [ 166.816185] [drm:drm_detect_monitor_audio] Monitor has basic audio support > [ 166.816186] [drm:radeon_get_monitor_bpc] eDP-1: Display bpc=8, returned bpc=8 > [ 166.816188] [drm:drm_detect_monitor_audio] Monitor has basic audio support > [ 166.816192] [drm:drm_crtc_helper_set_mode] [CRTC:34:crtc-0] > [ 166.816208] [drm:radeon_get_monitor_bpc] eDP-1: Display bpc=8, returned bpc=8 > [ 166.816210] [drm:radeon_atom_encoder_dpms] encoder dpms 30 to mode 3, devices > 00000008, active_devices 00000000 > [ 166.816213] [drm:radeon_atom_encoder_dpms] encoder dpms 22 to mode 3, devices > 00000010, active_devices 00000000 > [ 166.816235] [drm:drm_detect_monitor_audio] Monitor has basic audio support > [ 166.816237] [drm:radeon_compute_pll_avivo] 360000 - 360000, pll dividers - > fb: 80.0 ref: 2, post 3 > [ 166.824475] done. Yes it is eDP: [ 3.197364] [drm] Radeon Display Connectors [ 3.197365] [drm] Connector 0: [ 3.197365] [drm] DP-1 [ 3.197366] [drm] HPD1 [ 3.197367] [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c [ 3.197367] [drm] Encoders: [ 3.197368] [drm] DFP1: INTERNAL_UNIPHY [ 3.197369] [drm] Connector 1: [ 3.197369] [drm] eDP-1 [ 3.197370] [drm] HPD2 [ 3.197371] [drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c [ 3.197371] [drm] Encoders: [ 3.197372] [drm] LCD1: INTERNAL_UNIPHY [ 3.197372] [drm] Connector 2: [ 3.197372] [drm] VGA-1 [ 3.197373] [drm] DDC: 0x7f10 0x7f10 0x7f14 0x7f14 0x7f18 0x7f18 0x7f1c 0x7f1c [ 3.197374] [drm] Encoders: [ 3.197374] [drm] CRT2: INTERNAL_KLDSCP_DAC2 > > ... and a bit later: > > [ 166.853787] [drm:radeon_dp_link_train_cr] clock recovery at voltage 0 > pre-emphasis 0 > [ 166.853788] [drm:drm_detect_monitor_audio] Monitor has basic audio support > [ 166.855953] [drm:radeon_dp_link_train_ce] channel eq at voltage 0 pre-emphasis 0 > Yes, the link training appears to complete fine. I guess it's something to do with the proprietary mux or backlight controls. Alex > Best, Florian > -- > SENT FROM MY DEC VT50 TERMINAL > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
