| Message ID | 1459527646-9083-1-git-send-email-bob.j.paauwe@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, 1 Apr 2016 17:03:37 +0000 Patchwork <patchwork@emeril.freedesktop.org> wrote: > == Series Details == > > Series: drm/i915: Read DPCD when connector forced on. > URL : https://patchwork.freedesktop.org/series/5185/ > State : failure > > == Summary == > > Series 5185v1 drm/i915: Read DPCD when connector forced on. > http://patchwork.freedesktop.org/api/1.0/series/5185/revisions/1/mbox/ > > Test kms_flip: > Subgroup basic-flip-vs-modeset: > pass -> DMESG-WARN (ilk-hp8440p) UNSTABLE Unrelated: CPU pipe A FIFO underrun and test is not using DP ports. > Subgroup basic-flip-vs-wf_vblank: > pass -> FAIL (snb-x220t) Failure is on vga connector so unrelated to code change in DP code. > Test kms_force_connector_basic: > Subgroup force-edid: > skip -> PASS (ivb-t430s) > > bdw-nuci7 total:196 pass:184 dwarn:0 dfail:0 fail:0 skip:12 > bdw-ultra total:196 pass:175 dwarn:0 dfail:0 fail:0 skip:21 > bsw-nuc-2 total:196 pass:159 dwarn:0 dfail:0 fail:0 skip:37 > byt-nuc total:196 pass:161 dwarn:0 dfail:0 fail:0 skip:35 > hsw-brixbox total:196 pass:174 dwarn:0 dfail:0 fail:0 skip:22 > hsw-gt2 total:196 pass:179 dwarn:0 dfail:0 fail:0 skip:17 > ilk-hp8440p total:196 pass:131 dwarn:1 dfail:0 fail:0 skip:64 > ivb-t430s total:196 pass:171 dwarn:0 dfail:0 fail:0 skip:25 > skl-i7k-2 total:196 pass:173 dwarn:0 dfail:0 fail:0 skip:23 > skl-nuci5 total:196 pass:185 dwarn:0 dfail:0 fail:0 skip:11 > snb-dellxps total:196 pass:162 dwarn:0 dfail:0 fail:0 skip:34 > snb-x220t total:196 pass:161 dwarn:0 dfail:0 fail:2 skip:33 > > Results at /archive/results/CI_IGT_test/Patchwork_1778/ > > 38b47023a604068e2a222ac166f5f8ef7d56e352 drm-intel-nightly: 2016y-04m-01d-12h-04m-08s UTC integration manifest > a73fbb388ca70b2ca76c82124fde009c47cc33cd drm/i915: Read DPCD when connector forced on. >
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 8aa9214..39b7f6d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4644,6 +4644,8 @@ intel_dp_force(struct drm_connector *connector) power_domain = intel_display_port_aux_power_domain(intel_encoder); intel_display_power_get(dev_priv, power_domain); + intel_dp_detect_dpcd(intel_dp); + intel_dp_set_edid(intel_dp); intel_display_power_put(dev_priv, power_domain);
When a DP connector is forced on using using the video=<connector>:e kernel command line, we bypass the calls to check if the port is connected and also bypass the call to intel_dp_detect_dpcd(); The result is that we don't query for the sink capabilities like the max link bandwidth. The sink capabilities are needed to set a mode. The solution is to add a call to intel_dp_detect_dpcd() in the code path for forced on DP connectors. Signed-off-by: Bob Paauwe <bob.j.paauwe@intel.com> --- drivers/gpu/drm/i915/intel_dp.c | 2 ++ 1 file changed, 2 insertions(+)