On Wed, Feb 19, 2020 at 06:37:27PM +0000, Souza, Jose wrote: > On Wed, 2020-02-19 at 15:37 +0200, Ville Syrjälä wrote: > > On Tue, Feb 18, 2020 at 05:42:28PM -0800, José Roberto de Souza > > wrote: > > > Most of the kms_frontbuffer_tracking tests disables the feature > > > being > > > tested, draw, get the CRC then enable the feature, draw again, get > > > the > > > CRC and check if it matches. > > > Some times it is able to do that with a fastset, so > > > intel_pre_plane_update() is executed but intel_fbc_can_flip_nuke() > > > was > > > not checking if FBC is now enabled in this CRTC leaving FBC active > > > and > > > causing the warning bellow in __intel_fbc_disable() > > > > > > [IGT] kms_frontbuffer_tracking: starting subtest fbc-1p-pri-indfb- > > > multidraw > > > Setting dangerous option enable_fbc - tainting kernel > > > i915 0000:00:02.0: [drm:i915_edp_psr_debug_set [i915]] Setting PSR > > > debug to f > > > i915 0000:00:02.0: [drm:intel_psr_debug_set [i915]] Invalid debug > > > mask f > > > i915 0000:00:02.0: [drm:i915_edp_psr_debug_set [i915]] Setting PSR > > > debug to 1 > > > i915 0000:00:02.0: [drm:intel_atomic_check [i915]] > > > [CONNECTOR:215:eDP-1] Limiting display bpp to 24 instead of EDID > > > bpp 24, requested bpp 36, max platform bpp 36 > > > [drm:intel_dp_compute_config [i915]] DP link computation with max > > > lane count 2 max rate 270000 max bpp 24 pixel clock 138120KHz > > > [drm:intel_dp_compute_config [i915]] Force DSC en = 0 > > > [drm:intel_dp_compute_config [i915]] DP lane count 2 clock 270000 > > > bpp 24 > > > [drm:intel_dp_compute_config [i915]] DP link rate required 414360 > > > available 540000 > > > i915 0000:00:02.0: [drm:intel_atomic_check [i915]] hw max bpp: 24, > > > pipe bpp: 24, dithering: 0 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] > > > [CRTC:91:pipe A] enable: yes [fastset] > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] active: yes, > > > output_types: EDP (0x100), output format: RGB > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] > > > cpu_transcoder: EDP, pipe bpp: 24, dithering: 0 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] dp m_n: > > > lanes: 2; gmch_m: 6436858, gmch_n: 8388608, link_m: 268202, link_n: > > > 524288, tu: 64 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] audio: 0, > > > infoframes: 0, infoframes enabled: 0x0 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] requested > > > mode: > > > [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 138120 > > > 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] adjusted > > > mode: > > > [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 138120 > > > 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa > > > [drm:intel_dump_pipe_config [i915]] crtc timings: 138120 1920 1968 > > > 2018 2052 1080 1084 1086 1122, type: 0x48 flags: 0xa > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] port clock: > > > 270000, pipe src size: 1920x1080, pixel rate 138120 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] linetime: > > > 119, ips linetime: 0 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] num_scalers: > > > 2, scaler_users: 0x0, scaler_id: -1 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] pch pfit: > > > pos: 0x00000000, size: 0x00000000, disabled, force thru: no > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] ips: 0, > > > double wide: 0 > > > [drm:icl_dump_hw_state [i915]] dpll_hw_state: cfgcr0: 0x1c001a5, > > > cfgcr1: 0x8b, mg_refclkin_ctl: 0x0, hg_clktop2_coreclkctl1: 0x0, > > > mg_clktop2_hsclkctl: 0x0, mg_pll_div0: 0x0, mg_pll_div2: 0x0, > > > mg_pll_lf: 0x0, mg_pll_frac_lock: 0x0, mg_pll_ssc: 0x0, > > > mg_pll_bias: 0x0, mg_pll_tdc_coldst_bias: 0x0 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] csc_mode: > > > 0x0 gamma_mode: 0x0 gamma_enable: 0 csc_enable: 0 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] MST master > > > transcoder: <invalid> > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] > > > [PLANE:31:plane 1A] fb: [FB:262] 1920x1080 format = XR24 little- > > > endian (0x34325258), visible: yes > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] rotatio > > > n: 0x1, scaler: -1 > > > i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] src: > > > 1920.000000x1080.000000+0.000000+0.000000 dst: 1920x1080+0+0 > > > i915 0000:00:02.0: [drm:intel_psr_disable_locked [i915]] Disabling > > > PSR1 > > > i915 0000:00:02.0: [drm:intel_ddi_update_pipe [i915]] Panel doesn't > > > support DRRS > > > ------------[ cut here ]------------ > > > i915 0000:00:02.0: drm_WARN_ON(fbc->active) > > > WARNING: CPU: 4 PID: 1175 at > > > drivers/gpu/drm/i915/display/intel_fbc.c:973 > > > __intel_fbc_disable+0xa5/0x130 [i915] > > > Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek > > > snd_hda_codec_generic i915 mei_hdcp x86_pkg_temp_thermal coretemp > > > crct10dif_pclmul snd_hda_intel crc32_pclmul snd_intel_dspcfg > > > snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core cdc_ether > > > e1000e usbnet mii snd_pcm ptp mei_me pps_core mei thunderbolt > > > intel_lpss_pci prime_numbers > > > CPU: 4 PID: 1175 Comm: kms_frontbuffer Tainted: > > > G U 5.5.0-CI-Trybot_5651+ #1 > > > Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U > > > DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3234.A01.1906141750 > > > 06/14/2019 > > > RIP: 0010:__intel_fbc_disable+0xa5/0x130 [i915] > > > Code: 8b 67 50 4d 85 e4 0f 84 8f 00 00 00 e8 44 33 30 e1 48 c7 c1 > > > 72 f6 4c a0 4c 89 e2 48 89 c6 48 c7 c7 42 f6 4c a0 e8 0b 9d ce e0 > > > <0f> 0b eb 90 48 8b 7b 18 4c 8b 67 50 4d 85 e4 74 6d e8 15 33 30 e1 > > > RSP: 0018:ffffc90000613b68 EFLAGS: 00010282 > > > RAX: 0000000000000000 RBX: ffff8884799d0000 RCX: 0000000000000006 > > > RDX: 0000000000001905 RSI: ffff888495dac970 RDI: ffffffff823731a1 > > > RBP: ffff88847c05d000 R08: ffff888495dac970 R09: 0000000000000000 > > > R10: ffffc90000613b88 R11: 0000000000000000 R12: ffff88849bba7e40 > > > R13: ffff8884799d0000 R14: ffff888498564000 R15: 0000000000000000 > > > FS: 00007f8157f08300(0000) GS:ffff8884a0000000(0000) > > > knlGS:0000000000000000 > > > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > > CR2: 00007ffdbfea2eb8 CR3: 000000049d1cc001 CR4: 0000000000760ee0 > > > PKRU: 55555554 > > > Call Trace: > > > intel_fbc_disable+0x4a/0x50 [i915] > > > intel_update_crtc+0x12c/0x1d0 [i915] > > > skl_commit_modeset_enables+0x14d/0x600 [i915] > > > intel_atomic_commit_tail+0x30d/0x1480 [i915] > > > ? queue_work_on+0x31/0x70 > > > ? intel_atomic_commit_ready+0x3f/0x48 [i915] > > > ? __i915_sw_fence_complete+0x1a0/0x250 [i915] > > > intel_atomic_commit+0x312/0x390 [i915] > > > intel_psr_fastset_force+0x119/0x150 [i915] > > > i915_edp_psr_debug_set+0x53/0x70 [i915] > > > simple_attr_write+0xb0/0xd0 > > > full_proxy_write+0x51/0x80 > > > vfs_write+0xb9/0x1d0 > > > ksys_write+0x9f/0xe0 > > > do_syscall_64+0x4f/0x220 > > > entry_SYSCALL_64_after_hwframe+0x49/0xbe > > > RIP: 0033:0x7f8157240281 > > > Code: c3 0f 1f 84 00 00 00 00 00 48 8b 05 59 8d 20 00 c3 0f 1f 84 > > > 00 00 00 00 00 8b 05 8a d1 20 00 85 c0 75 16 b8 01 00 00 00 0f 05 > > > <48> 3d 00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53 > > > RSP: 002b:00007ffdbfea59d8 EFLAGS: 00000246 ORIG_RAX: > > > 0000000000000001 > > > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8157240281 > > > RDX: 0000000000000003 RSI: 00007f8157901152 RDI: 0000000000000008 > > > RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 > > > R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8157901152 > > > R13: 0000000000000008 R14: 00005589d298dce0 R15: 0000000000000000 > > > irq event stamp: 55208 > > > hardirqs last enabled at (55207): [<ffffffff8112f3fc>] > > > vprintk_emit+0xcc/0x330 > > > hardirqs last disabled at (55208): [<ffffffff81001ca0>] > > > trace_hardirqs_off_thunk+0x1a/0x1c > > > softirqs last enabled at (54926): [<ffffffff81e00385>] > > > __do_softirq+0x385/0x47f > > > softirqs last disabled at (54915): [<ffffffff810ba15a>] > > > irq_exit+0xba/0xc0 > > > ---[ end trace afa50c52e5a512bb ]--- > > > [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A > > > i915 0000:00:02.0: [drm:verify_connector_state [i915]] > > > [CONNECTOR:215:eDP-1] > > > i915 0000:00:02.0: [drm:intel_atomic_commit_tail [i915]] > > > [CRTC:91:pipe A] > > > [drm:intel_ddi_get_config [i915]] [ENCODER:214:DDI A] Fec status: 0 > > > i915 0000:00:02.0: [drm:verify_single_dpll_state.isra.150 [i915]] > > > DPLL 0 > > > > > > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > > Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx> > > > --- > > > drivers/gpu/drm/i915/display/intel_fbc.c | 3 +++ > > > 1 file changed, 3 insertions(+) > > > > > > diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c > > > b/drivers/gpu/drm/i915/display/intel_fbc.c > > > index ddf8d3bb7a7d..a6038fe74f63 100644 > > > --- a/drivers/gpu/drm/i915/display/intel_fbc.c > > > +++ b/drivers/gpu/drm/i915/display/intel_fbc.c > > > @@ -856,6 +856,9 @@ static bool intel_fbc_can_flip_nuke(const > > > struct intel_crtc_state *crtc_state) > > > if (drm_atomic_crtc_needs_modeset(&crtc_state->uapi)) > > > return false; > > > > > > + if (!crtc_state->enable_fbc) > > > + return false; > > > > The code is still quite the horror show, but from the looks of things > > we'd want this check in intel_fbc_can_activate() instead. > > From intel_fbc_flush() we don't have the intel_crtc_state, so move it > to intel_fbc_can_activate() and cache the enable_fbc in > intel_fbc_update_state_cache() too? Oh, I failed to notice you're looking at the crtc state here. Thought you just check the modparam directly. I'd just call intel_fbc_can_enable() in intel_fbc_can_activate() directly. That crtc_state->enable_fbc thing is just hopelessly broken atm. > > > > > With the check relocated this is > > Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > > > PS. Oh dear, we still have that crtc_state->enable_fbc mess in there. > > I should have patches to eliminate that tucked away in a branch > > somewhere... > > > > > + > > > if (!params->plane_visible) > > > return false; > > > > > > -- > > > 2.25.1 -- Ville Syrjälä Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
