These two patches shouldn't impact the platforms that have none-zero num_pipes.
The failed case happened to fi-snb-2520m which has none-zero num_pipes("Found CougarPoint PCH" in
dmesg log). And compared dmesg with the one caught when test pass, I didn't see extra error messages.
One difference in the log is that "connector 48 enabled" showed "yes" on Patchwork_3305 but show "no"
on CI_DRM_1960.
dmesg logs with these 2 patches:
https://intel-gfx-ci.01.org/CI/Patchwork_3305/fi-snb-2520m/igt@kms_force_connector_basic@xxxxxxxxxxxxxxxxxxxxxxxxxx
Base build dmegs logs:
https://intel-gfx-ci.01.org/CI/CI_DRM_1960/fi-snb-2520m/igt@kms_force_connector_basic@xxxxxxxxxxxxxxxxxxxxxxxxxx
dmesg log before and during running force-connector-state on Patchwork_3305:
[ 430.495420] [drm:drm_setup_crtcs] connector 39 enabled? yes
[ 430.495422] [drm:drm_setup_crtcs] connector 45 enabled? yes
[ 430.495424] [drm:drm_setup_crtcs] connector 48 enabled? yes
[ 430.495425] [drm:drm_setup_crtcs] connector 53 enabled? no
[ 430.495427] [drm:drm_setup_crtcs] connector 55 enabled? no
[ 430.495428] [drm:drm_setup_crtcs] connector 57 enabled? no
[ 430.495429] [drm:drm_setup_crtcs] connector 59 enabled? no
[ 430.495431] [drm:drm_setup_crtcs] connector 61 enabled? no
[ 430.495453] [drm:intel_fb_initial_config [i915]] looking for cmdline mode on connector LVDS-1
[ 430.495853] [drm:intel_fb_initial_config [i915]] looking for preferred mode on connector LVDS-1 0
[ 430.495871] [drm:intel_fb_initial_config [i915]] connector LVDS-1 on [CRTC:31:pipe A]: 1366x768
[ 430.495888] [drm:intel_fb_initial_config [i915]] connector VGA-1 has no encoder or crtc, skipping
[ 430.495904] [drm:intel_fb_initial_config [i915]] looking for cmdline mode on connector HDMI-A-1
[ 430.495920] [drm:intel_fb_initial_config [i915]] looking for preferred mode on connector HDMI-A-1 0
[ 430.495936] [drm:intel_fb_initial_config [i915]] connector HDMI-A-1 on [CRTC:38:pipe B]: 1920x1080
[ 430.495953] [drm:intel_fb_initial_config [i915]] connector DP-1 not enabled, skipping
[ 430.495968] [drm:intel_fb_initial_config [i915]] connector HDMI-A-2 not enabled, skipping
[ 430.495984] [drm:intel_fb_initial_config [i915]] connector HDMI-A-3 not enabled, skipping
[ 430.496000] [drm:intel_fb_initial_config [i915]] connector DP-2 not enabled, skipping
[ 430.496015] [drm:intel_fb_initial_config [i915]] connector DP-3 not enabled, skipping
[ 430.496026] [drm:drm_setup_crtcs] desired mode 1366x768 set on crtc 31 (0,0)
[ 430.496031] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 38 (0,0)
[ 430.814402] [IGT] kms_force_connector_basic: executing
[ 430.828390] [IGT] kms_force_connector_basic: exiting, ret=77
[ 430.918595] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00080000, dig 0x00101010, pins 0x00000002
[ 430.918641] [drm:intel_hpd_irq_handler [i915]] Received HPD interrupt on PIN 1 - cnt: 0
[ 430.918748] [drm:i915_hotplug_work_func [i915]] running encoder hotplug functions
[ 430.918787] [drm:i915_hotplug_work_func [i915]] Connector VGA-1 (pin 1) received hotplug event.
[ 430.918822] [drm:intel_crt_detect [i915]] [CONNECTOR:45:VGA-1] force=0
[ 430.918865] [drm:intel_crt_detect [i915]] ironlake hotplug adpa=0x20f40000, result 0
[ 430.918896] [drm:intel_crt_detect [i915]] CRT not detected via hotplug
dmesg log before and during running force-connector-state on CI_DRM_1960:
[ 433.614115] [drm:drm_setup_crtcs] connector 39 enabled? yes
[ 433.614118] [drm:drm_setup_crtcs] connector 45 enabled? no
[ 433.614120] [drm:drm_setup_crtcs] connector 48 enabled? yes
[ 433.614123] [drm:drm_setup_crtcs] connector 53 enabled? no
[ 433.614125] [drm:drm_setup_crtcs] connector 55 enabled? no
[ 433.614127] [drm:drm_setup_crtcs] connector 57 enabled? no
[ 433.614129] [drm:drm_setup_crtcs] connector 59 enabled? no
[ 433.614132] [drm:drm_setup_crtcs] connector 61 enabled? no
[ 433.614167] [drm:intel_fb_initial_config [i915]] looking for cmdline mode on connector LVDS-1
[ 433.614196] [drm:intel_fb_initial_config [i915]] looking for preferred mode on connector LVDS-1 0
[ 433.614224] [drm:intel_fb_initial_config [i915]] connector LVDS-1 on [CRTC:31:pipe A]: 1366x768
[ 433.614259] [drm:intel_fb_initial_config [i915]] connector VGA-1 not enabled, skipping
[ 433.614478] [drm:intel_fb_initial_config [i915]] looking for cmdline mode on connector HDMI-A-1
[ 433.614601] [drm:intel_fb_initial_config [i915]] looking for preferred mode on connector HDMI-A-1 0
[ 433.614644] [drm:intel_fb_initial_config [i915]] connector HDMI-A-1 on [CRTC:38:pipe B]: 1920x1080
[ 433.614686] [drm:intel_fb_initial_config [i915]] connector DP-1 not enabled, skipping
[ 433.614726] [drm:intel_fb_initial_config [i915]] connector HDMI-A-2 not enabled, skipping
[ 433.614768] [drm:intel_fb_initial_config [i915]] connector HDMI-A-3 not enabled, skipping
[ 433.614812] [drm:intel_fb_initial_config [i915]] connector DP-2 not enabled, skipping
[ 433.614854] [drm:intel_fb_initial_config [i915]] connector DP-3 not enabled, skipping
[ 433.614881] [drm:drm_setup_crtcs] desired mode 1366x768 set on crtc 31 (0,0)
[ 433.614894] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 38 (0,0)
[ 433.957915] [IGT] kms_force_connector_basic: executing
[ 433.972031] [IGT] kms_force_connector_basic: starting subtest force-connector-state
[ 433.972586] [drm:status_store] [CONNECTOR:45:VGA-1] force updated from 0 to 2 or reprobing
[ 433.972594] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:45:VGA-1]
[ 433.972599] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:45:VGA-1] status updated from disconnected to connected
[ 433.972992] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus vga] NAK for addr: 0050 w(1)
[ 433.973024] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus vga] NAK on first message, retry
[ 433.973220] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus vga] NAK for addr: 0050 w(1)
[ 433.973229] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
[ 433.973695] [drm:intel_crt_get_edid [i915]] CRT GMBUS EDID read failed, retry using GPIO bit-banging
[ 433.973725] [drm:intel_gmbus_force_bit [i915]] enabling bit-banging on i915 gmbus vga. force bit now 1
[ 433.974759] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
[ 433.974794] [drm:intel_gmbus_force_bit [i915]] disabling bit-banging on i915 gmbus vga. force bit now 0
[ 433.974827] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:45:VGA-1] probed modes :
[ 433.974832] [drm:drm_mode_debug_printmodeline] Modeline 95:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 433.974837] [drm:drm_mode_debug_printmodeline] Modeline 93:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
[ 433.974840] [drm:drm_mode_debug_printmodeline] Modeline 82:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
[ 433.974844] [drm:drm_mode_debug_printmodeline] Modeline 94:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5
[ 433.974847] [drm:drm_mode_debug_printmodeline] Modeline 62:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
[ 433.974931] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:45:VGA-1]
> -----Original Message-----
> From: Patchwork [mailto:patchwork@xxxxxxxxxxxxxxxxxxxxxx]
> Sent: Friday, December 16, 2016 3:16 PM
> To: Wang, Elaine <elaine.wang@xxxxxxxxx>
> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: ✗ Fi.CI.BAT: warning for series starting with [1/2] drm/i915: Check
> num_pipes before initializing audio component
>
> == Series Details ==
>
> Series: series starting with [1/2] drm/i915: Check num_pipes before
> initializing audio component
> URL : https://patchwork.freedesktop.org/series/16902/
> State : warning
>
> == Summary ==
>
> Series 16902v1 Series without cover letter
> https://patchwork.freedesktop.org/api/1.0/series/16902/revisions/1/mbox/
>
> Test kms_force_connector_basic:
> Subgroup force-connector-state:
> pass -> SKIP (fi-snb-2520m)
>
> fi-bdw-5557u total:247 pass:233 dwarn:0 dfail:0 fail:0 skip:14
> fi-bsw-n3050 total:247 pass:208 dwarn:0 dfail:0 fail:0 skip:39
> fi-bxt-j4205 total:247 pass:222 dwarn:0 dfail:0 fail:0 skip:25
> fi-bxt-t5700 total:247 pass:220 dwarn:0 dfail:0 fail:0 skip:27
> fi-byt-j1900 total:247 pass:220 dwarn:0 dfail:0 fail:0 skip:27
> fi-byt-n2820 total:247 pass:216 dwarn:0 dfail:0 fail:0 skip:31
> fi-hsw-4770 total:247 pass:228 dwarn:0 dfail:0 fail:0 skip:19
> fi-hsw-4770r total:247 pass:228 dwarn:0 dfail:0 fail:0 skip:19
> fi-ilk-650 total:247 pass:195 dwarn:0 dfail:0 fail:0 skip:52
> fi-ivb-3520m total:247 pass:226 dwarn:0 dfail:0 fail:0 skip:21
> fi-kbl-7500u total:247 pass:226 dwarn:0 dfail:0 fail:0 skip:21
> fi-skl-6260u total:247 pass:234 dwarn:0 dfail:0 fail:0 skip:13
> fi-skl-6700hq total:247 pass:227 dwarn:0 dfail:0 fail:0 skip:20
> fi-skl-6700k total:247 pass:224 dwarn:3 dfail:0 fail:0 skip:20
> fi-skl-6770hq total:247 pass:234 dwarn:0 dfail:0 fail:0 skip:13
> fi-snb-2520m total:247 pass:215 dwarn:0 dfail:0 fail:0 skip:32
> fi-snb-2600 total:247 pass:215 dwarn:0 dfail:0 fail:0 skip:32
>
> 639f10d1159e87cac2f85769dcd081520b904f56 drm-tip: 2016y-12m-15d-17h-
> 57m-41s UTC integration manifest 9bd18fd drm/i915: Check num_pipes
> before initializing or calling display hooks 273e44e drm/i915: Check
> num_pipes before initializing audio component
>
> == Logs ==
>
> For more details see: https://intel-gfx-ci.01.org/CI/Patchwork_3305/
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