| Message ID | 20250206164624.3185280-1-imre.deak@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915/dp_mst: Fix disabling the minimum HBlank time | expand |
> -----Original Message----- > From: Deak, Imre <imre.deak@intel.com> > Sent: Thursday, February 6, 2025 10:16 PM > To: intel-gfx@lists.freedesktop.org; intel-xe@lists.freedesktop.org > Cc: Murthy, Arun R <arun.r.murthy@intel.com>; Kandpal, Suraj > <suraj.kandpal@intel.com> > Subject: [PATCH] drm/i915/dp_mst: Fix disabling the minimum HBlank time > > Disable the minimum HBlank time only on LNL+, where this functionality and > corresponding register exists. > Maybe Bspec: 74379 here Otherwise LGTM, Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> > Fixes: a5ebe00c2ace ("drm/i915/dp: Guarantee a minimum HBlank time") > Cc: Arun R Murthy <arun.r.murthy@intel.com> > Cc: Suraj Kandpal <suraj.kandpal@intel.com> > Signed-off-by: Imre Deak <imre.deak@intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c > b/drivers/gpu/drm/i915/display/intel_dp_mst.c > index ae2db983eff92..459440dd6e879 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c > @@ -1006,7 +1006,8 @@ static void mst_stream_disable(struct > intel_atomic_state *state, > > intel_dp_sink_disable_decompression(state, connector, > old_crtc_state); > > - intel_de_write(display, DP_MIN_HBLANK_CTL(trans), 0x00); > + if (DISPLAY_VER(display) >= 20) > + intel_de_write(display, DP_MIN_HBLANK_CTL(trans), 0); > } > > static void mst_stream_post_disable(struct intel_atomic_state *state, > -- > 2.44.2
On Fri, Feb 07, 2025 at 12:21:26PM +0000, Patchwork wrote: > == Series Details == > > Series: drm/i915/dp_mst: Fix disabling the minimum HBlank time > URL : https://patchwork.freedesktop.org/series/144432/ > State : success Thanks for the review, patch is pushed to drm-intel-next with the Bspec link added. > == Summary == > > CI Bug Log - changes from CI_DRM_16080 -> Patchwork_144432v1 > ==================================================== > > Summary > ------- > > **SUCCESS** > > No regressions found. > > External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/index.html > > Participating hosts (42 -> 44) > ------------------------------ > > Additional (3): bat-adlm-1 bat-arlh-2 fi-pnv-d510 > Missing (1): fi-snb-2520m > > Known issues > ------------ > > Here are the changes found in Patchwork_144432v1 that come from known issues: > > ### IGT changes ### > > #### Issues hit #### > > * igt@debugfs_test@basic-hwmon: > - bat-adlm-1: NOTRUN -> [SKIP][1] ([i915#3826] / [i915#9900]) > [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@debugfs_test@basic-hwmon.html > - bat-mtlp-9: NOTRUN -> [SKIP][2] ([i915#9318]) > [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@debugfs_test@basic-hwmon.html > - bat-arlh-2: NOTRUN -> [SKIP][3] ([i915#11346] / [i915#9318]) > [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@debugfs_test@basic-hwmon.html > > * igt@fbdev@eof: > - bat-arlh-2: NOTRUN -> [SKIP][4] ([i915#11345] / [i915#11346]) +3 other tests skip > [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@fbdev@eof.html > > * igt@fbdev@info: > - bat-adlm-1: NOTRUN -> [SKIP][5] ([i915#1849] / [i915#2582] / [i915#9900]) > [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@fbdev@info.html > - bat-arlh-2: NOTRUN -> [SKIP][6] ([i915#11346] / [i915#1849]) > [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@fbdev@info.html > > * igt@fbdev@read: > - bat-adlm-1: NOTRUN -> [SKIP][7] ([i915#2582] / [i915#9900]) +3 other tests skip > [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@fbdev@read.html > > * igt@gem_lmem_swapping@basic: > - bat-arlh-2: NOTRUN -> [SKIP][8] ([i915#10213] / [i915#11346] / [i915#11671]) +3 other tests skip > [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@gem_lmem_swapping@basic.html > > * igt@gem_lmem_swapping@parallel-random-engines: > - bat-adlm-1: NOTRUN -> [SKIP][9] ([i915#4613] / [i915#9900]) +3 other tests skip > [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@gem_lmem_swapping@parallel-random-engines.html > - bat-mtlp-9: NOTRUN -> [SKIP][10] ([i915#4613]) +3 other tests skip > [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@gem_lmem_swapping@parallel-random-engines.html > > * igt@gem_mmap@basic: > - bat-mtlp-9: NOTRUN -> [SKIP][11] ([i915#4083]) > [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@gem_mmap@basic.html > - bat-arlh-2: NOTRUN -> [SKIP][12] ([i915#11343] / [i915#11346]) > [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@gem_mmap@basic.html > > * igt@gem_render_tiled_blits@basic: > - bat-mtlp-9: NOTRUN -> [SKIP][13] ([i915#4079]) +1 other test skip > [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@gem_render_tiled_blits@basic.html > - bat-arlh-2: NOTRUN -> [SKIP][14] ([i915#10197] / [i915#10211] / [i915#11346] / [i915#11725]) > [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@gem_render_tiled_blits@basic.html > > * igt@gem_tiled_blits@basic: > - bat-arlh-2: NOTRUN -> [SKIP][15] ([i915#11346] / [i915#12637]) +4 other tests skip > [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@gem_tiled_blits@basic.html > > * igt@gem_tiled_fence_blits@basic: > - bat-mtlp-9: NOTRUN -> [SKIP][16] ([i915#4077]) +2 other tests skip > [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@gem_tiled_fence_blits@basic.html > > * igt@gem_tiled_pread_basic: > - bat-arlh-2: NOTRUN -> [SKIP][17] ([i915#10206] / [i915#11346] / [i915#11724]) > [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@gem_tiled_pread_basic.html > - bat-adlm-1: NOTRUN -> [SKIP][18] ([i915#3282] / [i915#9900]) > [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@gem_tiled_pread_basic.html > > * igt@i915_pm_rpm@module-reload: > - bat-dg1-7: [PASS][19] -> [FAIL][20] ([i915#13633]) > [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_16080/bat-dg1-7/igt@i915_pm_rpm@module-reload.html > [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-dg1-7/igt@i915_pm_rpm@module-reload.html > - bat-rpls-4: [PASS][21] -> [FAIL][22] ([i915#13633]) > [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_16080/bat-rpls-4/igt@i915_pm_rpm@module-reload.html > [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-rpls-4/igt@i915_pm_rpm@module-reload.html > > * igt@i915_pm_rps@basic-api: > - bat-mtlp-9: NOTRUN -> [SKIP][23] ([i915#11681] / [i915#6621]) > [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@i915_pm_rps@basic-api.html > - bat-adlm-1: NOTRUN -> [SKIP][24] ([i915#6621] / [i915#9900]) > [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@i915_pm_rps@basic-api.html > - bat-arlh-2: NOTRUN -> [SKIP][25] ([i915#10209] / [i915#11346] / [i915#11681]) > [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@i915_pm_rps@basic-api.html > > * igt@i915_selftest@live: > - bat-twl-2: NOTRUN -> [ABORT][26] ([i915#12919] / [i915#13503]) > [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-twl-2/igt@i915_selftest@live.html > > * igt@i915_selftest@live@gt_timelines: > - bat-twl-2: NOTRUN -> [ABORT][27] ([i915#12919]) > [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-twl-2/igt@i915_selftest@live@gt_timelines.html > > * igt@kms_addfb_basic@addfb25-y-tiled-small-legacy: > - bat-mtlp-9: NOTRUN -> [SKIP][28] ([i915#5190]) > [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@kms_addfb_basic@addfb25-y-tiled-small-legacy.html > - bat-arlh-2: NOTRUN -> [SKIP][29] ([i915#10200] / [i915#11346] / [i915#11666] / [i915#12203]) > [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@kms_addfb_basic@addfb25-y-tiled-small-legacy.html > > * igt@kms_addfb_basic@basic-x-tiled-legacy: > - bat-arlh-2: NOTRUN -> [SKIP][30] ([i915#10200] / [i915#11346] / [i915#11666]) +8 other tests skip > [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@kms_addfb_basic@basic-x-tiled-legacy.html > > * igt@kms_addfb_basic@basic-y-tiled-legacy: > - bat-mtlp-9: NOTRUN -> [SKIP][31] ([i915#4212]) +8 other tests skip > [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@kms_addfb_basic@basic-y-tiled-legacy.html > > * igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy: > - bat-mtlp-9: NOTRUN -> [SKIP][32] ([i915#4213]) +1 other test skip > [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html > > * igt@kms_cursor_legacy@basic-flip-after-cursor-varying-size: > - bat-adlm-1: NOTRUN -> [SKIP][33] ([i915#9900]) +17 other tests skip > [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@kms_cursor_legacy@basic-flip-after-cursor-varying-size.html > > * igt@kms_dsc@dsc-basic: > - bat-mtlp-9: NOTRUN -> [SKIP][34] ([i915#3555] / [i915#3840] / [i915#9159]) > [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@kms_dsc@dsc-basic.html > > * igt@kms_flip@basic-flip-vs-wf_vblank: > - bat-adlm-1: NOTRUN -> [SKIP][35] ([i915#3637] / [i915#9900]) +3 other tests skip > [35]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@kms_flip@basic-flip-vs-wf_vblank.html > > * igt@kms_force_connector_basic@force-load-detect: > - bat-mtlp-9: NOTRUN -> [SKIP][36] > [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@kms_force_connector_basic@force-load-detect.html > > * igt@kms_frontbuffer_tracking@basic: > - bat-adlm-1: NOTRUN -> [SKIP][37] ([i915#1849] / [i915#4342] / [i915#9900]) > [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@kms_frontbuffer_tracking@basic.html > > * igt@kms_pm_backlight@basic-brightness: > - bat-adlm-1: NOTRUN -> [SKIP][38] ([i915#5354] / [i915#9900]) > [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@kms_pm_backlight@basic-brightness.html > > * igt@kms_psr@psr-primary-mmap-gtt: > - bat-mtlp-9: NOTRUN -> [SKIP][39] ([i915#4077] / [i915#9688]) +1 other test skip > [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@kms_psr@psr-primary-mmap-gtt.html > - fi-pnv-d510: NOTRUN -> [SKIP][40] +33 other tests skip > [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/fi-pnv-d510/igt@kms_psr@psr-primary-mmap-gtt.html > > * igt@kms_psr@psr-primary-page-flip: > - bat-arlh-2: NOTRUN -> [SKIP][41] ([i915#11346]) +32 other tests skip > [41]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@kms_psr@psr-primary-page-flip.html > > * igt@kms_psr@psr-sprite-plane-onoff: > - bat-adlm-1: NOTRUN -> [SKIP][42] ([i915#1072] / [i915#9732] / [i915#9900]) +3 other tests skip > [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@kms_psr@psr-sprite-plane-onoff.html > > * igt@kms_setmode@basic-clone-single-crtc: > - bat-arlh-2: NOTRUN -> [SKIP][43] ([i915#10208] / [i915#11346] / [i915#8809]) > [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@kms_setmode@basic-clone-single-crtc.html > - bat-mtlp-9: NOTRUN -> [SKIP][44] ([i915#3555] / [i915#8809]) > [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@kms_setmode@basic-clone-single-crtc.html > - bat-adlm-1: NOTRUN -> [SKIP][45] ([i915#3555] / [i915#9900]) > [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@kms_setmode@basic-clone-single-crtc.html > > * igt@prime_vgem@basic-fence-flip: > - bat-adlm-1: NOTRUN -> [SKIP][46] ([i915#3708] / [i915#9900]) +3 other tests skip > [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-adlm-1/igt@prime_vgem@basic-fence-flip.html > > * igt@prime_vgem@basic-fence-read: > - bat-arlh-2: NOTRUN -> [SKIP][47] ([i915#10212] / [i915#11346] / [i915#11726]) > [47]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@prime_vgem@basic-fence-read.html > > * igt@prime_vgem@basic-gtt: > - bat-mtlp-9: NOTRUN -> [SKIP][48] ([i915#3708] / [i915#4077]) +1 other test skip > [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@prime_vgem@basic-gtt.html > > * igt@prime_vgem@basic-read: > - bat-arlh-2: NOTRUN -> [SKIP][49] ([i915#10214] / [i915#11346] / [i915#11726]) > [49]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@prime_vgem@basic-read.html > - bat-mtlp-9: NOTRUN -> [SKIP][50] ([i915#3708]) +1 other test skip > [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@prime_vgem@basic-read.html > > * igt@prime_vgem@basic-write: > - bat-mtlp-9: NOTRUN -> [SKIP][51] ([i915#10216] / [i915#3708]) > [51]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@prime_vgem@basic-write.html > - bat-arlh-2: NOTRUN -> [SKIP][52] ([i915#10216] / [i915#11346] / [i915#11723]) > [52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-2/igt@prime_vgem@basic-write.html > > > #### Possible fixes #### > > * igt@gem_exec_fence@nb-await@vecs0: > - bat-rpls-4: [DMESG-WARN][53] ([i915#13400]) -> [PASS][54] +1 other test pass > [53]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_16080/bat-rpls-4/igt@gem_exec_fence@nb-await@vecs0.html > [54]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-rpls-4/igt@gem_exec_fence@nb-await@vecs0.html > > * igt@i915_selftest@live: > - bat-twl-1: [ABORT][55] ([i915#12919] / [i915#13503]) -> [PASS][56] > [55]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_16080/bat-twl-1/igt@i915_selftest@live.html > [56]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-twl-1/igt@i915_selftest@live.html > > * igt@i915_selftest@live@gt_contexts: > - bat-twl-1: [ABORT][57] ([i915#12919]) -> [PASS][58] > [57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_16080/bat-twl-1/igt@i915_selftest@live@gt_contexts.html > [58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-twl-1/igt@i915_selftest@live@gt_contexts.html > > * igt@i915_selftest@live@workarounds: > - bat-arlh-3: [DMESG-FAIL][59] ([i915#12061]) -> [PASS][60] +1 other test pass > [59]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_16080/bat-arlh-3/igt@i915_selftest@live@workarounds.html > [60]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-arlh-3/igt@i915_selftest@live@workarounds.html > > > #### Warnings #### > > * igt@i915_module_load@load: > - bat-mtlp-9: [ABORT][61] -> [DMESG-WARN][62] ([i915#13494]) > [61]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_16080/bat-mtlp-9/igt@i915_module_load@load.html > [62]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/bat-mtlp-9/igt@i915_module_load@load.html > > > [i915#10197]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10197 > [i915#10200]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10200 > [i915#10206]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10206 > [i915#10208]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10208 > [i915#10209]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10209 > [i915#10211]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10211 > [i915#10212]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10212 > [i915#10213]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10213 > [i915#10214]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10214 > [i915#10216]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10216 > [i915#1072]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/1072 > [i915#11343]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11343 > [i915#11345]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11345 > [i915#11346]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11346 > [i915#11666]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11666 > [i915#11671]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11671 > [i915#11681]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11681 > [i915#11723]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11723 > [i915#11724]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11724 > [i915#11725]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11725 > [i915#11726]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11726 > [i915#12061]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/12061 > [i915#12203]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/12203 > [i915#12637]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/12637 > [i915#12919]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/12919 > [i915#13400]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13400 > [i915#13494]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13494 > [i915#13503]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13503 > [i915#13633]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13633 > [i915#1849]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/1849 > [i915#2582]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/2582 > [i915#3282]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/3282 > [i915#3555]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/3555 > [i915#3637]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/3637 > [i915#3708]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/3708 > [i915#3826]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/3826 > [i915#3840]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/3840 > [i915#4077]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4077 > [i915#4079]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4079 > [i915#4083]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4083 > [i915#4212]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4212 > [i915#4213]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4213 > [i915#4342]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4342 > [i915#4613]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4613 > [i915#5190]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/5190 > [i915#5354]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/5354 > [i915#6621]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/6621 > [i915#8809]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/8809 > [i915#9159]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9159 > [i915#9318]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9318 > [i915#9688]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9688 > [i915#9732]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9732 > [i915#9900]: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9900 > > > Build changes > ------------- > > * Linux: CI_DRM_16080 -> Patchwork_144432v1 > > CI-20190529: 20190529 > CI_DRM_16080: 68225b9bc1d285bd2ab63355e94f9e661d2f895e @ git://anongit.freedesktop.org/gfx-ci/linux > IGT_8224: c659b986ba648584d36b3cfece897bc84a33dcbb @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git > Patchwork_144432v1: 68225b9bc1d285bd2ab63355e94f9e661d2f895e @ git://anongit.freedesktop.org/gfx-ci/linux > > > ### Linux commits > > d73108c0826a drm/i915/dp_mst: Fix disabling the minimum HBlank time > > == Logs == > > For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_144432v1/index.html
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index ae2db983eff92..459440dd6e879 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -1006,7 +1006,8 @@ static void mst_stream_disable(struct intel_atomic_state *state, intel_dp_sink_disable_decompression(state, connector, old_crtc_state); - intel_de_write(display, DP_MIN_HBLANK_CTL(trans), 0x00); + if (DISPLAY_VER(display) >= 20) + intel_de_write(display, DP_MIN_HBLANK_CTL(trans), 0); } static void mst_stream_post_disable(struct intel_atomic_state *state,
Disable the minimum HBlank time only on LNL+, where this functionality and corresponding register exists. Fixes: a5ebe00c2ace ("drm/i915/dp: Guarantee a minimum HBlank time") Cc: Arun R Murthy <arun.r.murthy@intel.com> Cc: Suraj Kandpal <suraj.kandpal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)