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From: Lucas De Marchi <lucas.demarchi@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH v2 11/40] drm/i915: Do not read PSR2 register in transcoders without PSR2
Date: Sat, 17 Aug 2019 02:38:33 -0700	[thread overview]
Message-ID: <20190817093902.2171-12-lucas.demarchi@intel.com> (raw)
In-Reply-To: <20190817093902.2171-1-lucas.demarchi@intel.com>

From: José Roberto de Souza <jose.souza@intel.com>

This fix unclaimed access warnings:

[  245.525788] ------------[ cut here ]------------
[  245.525884] Unclaimed read from register 0x62900
[  245.526154] WARNING: CPU: 0 PID: 1234 at drivers/gpu/drm/i915/intel_uncore.c:1100 __unclaimed_reg_debug+0x40/0x50 [i915]
[  245.526160] Modules linked in: i915 x86_pkg_temp_thermal ax88179_178a coretemp usbnet crct10dif_pclmul mii crc32_pclmul ghash_clmulni_intel e1000e [last unloaded: i915]
[  245.526191] CPU: 0 PID: 1234 Comm: kms_fullmodeset Not tainted 5.1.0-rc6+ #915
[  245.526197] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWR1.D00.2081.A10.1904182155 04/18/2019
[  245.526273] RIP: 0010:__unclaimed_reg_debug+0x40/0x50 [i915]
[  245.526281] Code: 74 05 5b 5d 41 5c c3 45 84 e4 48 c7 c0 76 97 21 a0 48 c7 c6 6c 97 21 a0 89 ea 48 0f 44 f0 48 c7 c7 7f 97 21 a0 e8 4f 1e fe e0 <0f> 0b 83 2d 6f d9 1c 00 01 5b 5d 41 5c c3 66 90 41 57 41 56 41 55
[  245.526288] RSP: 0018:ffffc900006bf7d8 EFLAGS: 00010086
[  245.526297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  245.526304] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 00000000ffffffff
[  245.526310] RBP: 0000000000061900 R08: 0000000000000000 R09: 0000000000000001
[  245.526317] R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000001
[  245.526324] R13: 0000000000000000 R14: ffff8882914f0d58 R15: 0000000000000206
[  245.526332] FS:  00007fed2a3c39c0(0000) GS:ffff8882a8600000(0000) knlGS:0000000000000000
[  245.526340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  245.526347] CR2: 00007fed28dff000 CR3: 00000002a086c006 CR4: 0000000000760ef0
[  245.526354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  245.526361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  245.526367] PKRU: 55555554
[  245.526373] Call Trace:
[  245.526454]  gen11_fwtable_read32+0x219/0x250 [i915]
[  245.526576]  intel_psr_activate+0x57/0x400 [i915]
[  245.526697]  intel_psr_enable_locked+0x367/0x4b0 [i915]
[  245.526828]  intel_psr_enable+0xa4/0xd0 [i915]
[  245.526946]  intel_enable_ddi+0x127/0x2f0 [i915]
[  245.527075]  intel_encoders_enable.isra.79+0x62/0x90 [i915]
[  245.527202]  haswell_crtc_enable+0x2a2/0x850 [i915]
[  245.527337]  intel_update_crtc+0x51/0x360 [i915]
[  245.527466]  skl_update_crtcs+0x26c/0x300 [i915]
[  245.527603]  intel_atomic_commit_tail+0x3e5/0x13c0 [i915]
[  245.527757]  intel_atomic_commit+0x24d/0x2d0 [i915]
[  245.527782]  drm_atomic_helper_set_config+0x7b/0x90
[  245.527799]  drm_mode_setcrtc+0x1b4/0x6f0
[  245.527856]  ? drm_mode_getcrtc+0x180/0x180
[  245.527867]  drm_ioctl_kernel+0xad/0xf0
[  245.527886]  drm_ioctl+0x2f4/0x3b0
[  245.527902]  ? drm_mode_getcrtc+0x180/0x180
[  245.527935]  ? rcu_read_lock_sched_held+0x6f/0x80
[  245.527956]  do_vfs_ioctl+0xa0/0x6d0
[  245.527970]  ? __task_pid_nr_ns+0xb6/0x200
[  245.527991]  ksys_ioctl+0x35/0x70
[  245.528009]  __x64_sys_ioctl+0x11/0x20
[  245.528020]  do_syscall_64+0x55/0x180
[  245.528034]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  245.528042] RIP: 0033:0x7fed2cc7c3c7
[  245.528050] Code: 00 00 90 48 8b 05 c9 3a 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 99 3a 0d 00 f7 d8 64 89 01 48
[  245.528057] RSP: 002b:00007ffe36944378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  245.528067] RAX: ffffffffffffffda RBX: 00007ffe369443b0 RCX: 00007fed2cc7c3c7
[  245.528074] RDX: 00007ffe369443b0 RSI: 00000000c06864a2 RDI: 0000000000000003
[  245.528081] RBP: 00007ffe369443b0 R08: 0000000000000000 R09: 0000564c0173ae98
[  245.528088] R10: 0000564c0173aeb8 R11: 0000000000000246 R12: 00000000c06864a2
[  245.528095] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
[  245.528128] irq event stamp: 140866
[  245.528138] hardirqs last  enabled at (140865): [<ffffffff819a63dc>] _raw_spin_unlock_irqrestore+0x4c/0x60
[  245.528148] hardirqs last disabled at (140866): [<ffffffff819a624d>] _raw_spin_lock_irqsave+0xd/0x50
[  245.528158] softirqs last  enabled at (140860): [<ffffffff81c0038c>] __do_softirq+0x38c/0x499
[  245.528170] softirqs last disabled at (140853): [<ffffffff810b4a09>] irq_exit+0xa9/0xc0
[  245.528247] WARNING: CPU: 0 PID: 1234 at drivers/gpu/drm/i915/intel_uncore.c:1100 __unclaimed_reg_debug+0x40/0x50 [i915]
[  245.528254] ---[ end trace 366069676e98a410 ]---

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 5d5991057f07..66db9ce95da9 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -632,7 +632,8 @@ static void intel_psr_activate(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 
-	if (INTEL_GEN(dev_priv) >= 9)
+	if (INTEL_GEN(dev_priv) >= 9 &&
+	    _psr2_supported_in_trans(dev_priv, dev_priv->psr.transcoder))
 		WARN_ON(I915_READ(EDP_PSR2_CTL(dev_priv->psr.transcoder)) & EDP_PSR2_ENABLE);
 	WARN_ON(I915_READ(EDP_PSR_CTL(dev_priv->psr.transcoder)) & EDP_PSR_ENABLE);
 	WARN_ON(dev_priv->psr.active);
@@ -786,7 +787,8 @@ static void intel_psr_exit(struct drm_i915_private *dev_priv)
 	u32 val;
 
 	if (!dev_priv->psr.active) {
-		if (INTEL_GEN(dev_priv) >= 9) {
+		if (INTEL_GEN(dev_priv) >= 9 &&
+		    _psr2_supported_in_trans(dev_priv, dev_priv->psr.transcoder)) {
 			val = I915_READ(EDP_PSR2_CTL(dev_priv->psr.transcoder));
 			WARN_ON(val & EDP_PSR2_ENABLE);
 		}
-- 
2.21.0

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  parent reply	other threads:[~2019-08-17  9:39 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-17  9:38 [PATCH v2 00/40] Tiger Lake batch 3 Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 01/40] drm/i915/tgl: disable DDIC Lucas De Marchi
2019-08-19 17:16   ` Matt Roper
2019-08-17  9:38 ` [PATCH v2 02/40] drm/i915/tgl: add support for reading the timestamp frequency Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 03/40] drm/i915/tgl: Move transcoders to pipes' powerwells Lucas De Marchi
2019-08-19 11:59   ` Imre Deak
2019-08-17  9:38 ` [PATCH v2 04/40] drm/i915/tgl: update DMC firmware to 2.04 Lucas De Marchi
2019-08-19 17:55   ` Srivatsa, Anusha
2019-08-19 18:03     ` Lucas De Marchi
2019-08-19 18:07       ` Srivatsa, Anusha
2019-08-17  9:38 ` [PATCH v2 05/40] drm/i915/psr: Make PSR registers relative to transcoders Lucas De Marchi
2019-08-20 20:16   ` Lucas De Marchi
2019-08-20 21:15     ` Souza, Jose
2019-08-17  9:38 ` [PATCH v2 06/40] drm/i915: Add transcoder restriction to PSR2 Lucas De Marchi
2019-08-20 20:19   ` Lucas De Marchi
2019-08-21 14:50   ` Ville Syrjälä
2019-08-17  9:38 ` [PATCH v2 07/40] drm/i915: Do not unmask PSR interruption in IRQ postinstall Lucas De Marchi
2019-08-20 20:29   ` Lucas De Marchi
2019-08-20 22:20     ` Souza, Jose
2019-08-17  9:38 ` [PATCH v2 08/40] drm/i915/psr: Only handle interruptions of the transcoder in use Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 09/40] drm/i915/bdw+: Enable PSR in any eDP port Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 10/40] drm/i915: Guard and warn if more than one eDP panel is present Lucas De Marchi
2019-08-17  9:38 ` Lucas De Marchi [this message]
2019-08-17  9:38 ` [PATCH v2 12/40] drm/i915/tgl: PSR link standby is not supported anymore Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 13/40] drm/i915/tgl: Access the right register when handling PSR interruptions Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 14/40] drm/i915/tgl: Add maximum resolution supported by PSR2 HW Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 15/40] drm/i915: Fix DP-MST crtc_mask Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 16/40] drm/i915: Add for_each_new_intel_connector_in_state() Lucas De Marchi
2019-08-21 13:13   ` Kahola, Mika
2019-08-17  9:38 ` [PATCH v2 17/40] drm: Add for_each_oldnew_intel_crtc_in_state_reverse() Lucas De Marchi
2019-08-21 11:22   ` Kahola, Mika
2019-08-21 13:32     ` Kahola, Mika
2019-08-17  9:38 ` [PATCH v2 18/40] drm/i915: Disable pipes in reverse order Lucas De Marchi
2019-08-21 11:29   ` Kahola, Mika
2019-08-17  9:38 ` [PATCH v2 19/40] drm/i915/tgl: Select master transcoder in DP MST Lucas De Marchi
2019-08-22 12:43   ` Jani Nikula
2019-08-22 16:44   ` Maarten Lankhorst
2019-08-17  9:38 ` [PATCH v2 20/40] drm/i915/tgl: Introduce initial Tiger Lake workarounds Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 21/40] drm/i915/tgl: Enable VD HCP/MFX sub-pipe power gating Lucas De Marchi
2019-08-20 20:54   ` Lucas De Marchi
2019-08-21  9:16     ` Ye, Tony
2019-08-17  9:38 ` [PATCH v2 22/40] drm/i915/tgl: Do not apply WaIncreaseDefaultTLBEntries from GEN12 onwards Lucas De Marchi
2019-08-20 23:29   ` Summers, Stuart
2019-08-22  0:25     ` Summers, Stuart
2019-08-17  9:38 ` [PATCH v2 23/40] drm/i915/tgl: Register state context definition for Gen12 Lucas De Marchi
2019-08-21 21:12   ` Daniele Ceraolo Spurio
2019-08-22 13:31   ` Mika Kuoppala
2019-08-22 14:51     ` Chris Wilson
2019-08-17  9:38 ` [PATCH v2 24/40] drm/i915/tgl: move DP_TP_* to transcoder Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 25/40] drm/i915/tgl: Implement TGL DisplayPort training sequence Lucas De Marchi
2019-08-20 22:01   ` [PATCH v2] " José Roberto de Souza
2019-08-20 23:07     ` Manasi Navare
2019-08-21 20:22       ` Souza, Jose
     [not found]   ` <20190821213233.1067-1-jose.souza@intel.com>
2019-08-22 11:00     ` [PATCH v3] " Maarten Lankhorst
2019-08-17  9:38 ` [PATCH v2 26/40] HACK: drm/i915/tgl: Gen12 render context size Lucas De Marchi
2019-08-20 10:36   ` Chris Wilson
2019-08-22 13:42     ` Mika Kuoppala
2019-08-22 13:48       ` Chris Wilson
2019-08-17  9:38 ` [PATCH v2 27/40] drm/i915/tgl: add Gen12 default indirect ctx offset Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 28/40] drm/i915/tgl: add GEN12_MAX_CONTEXT_HW_ID Lucas De Marchi
2019-08-21 14:43   ` Lisovskiy, Stanislav
2019-08-17  9:38 ` [PATCH v2 29/40] drm/i915/tgl: Gen12 csb support Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 30/40] drm/i915/tgl: Report valid VDBoxes with SFC capability Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 31/40] rm/i915/tgl: Move GTCR register to cope with GAM MMIO address remap Lucas De Marchi
2019-08-20 20:43   ` Lucas De Marchi
2019-08-22 13:28   ` Mika Kuoppala
2019-08-23  0:44     ` Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 32/40] drm/i915/tgl: Updated Private PAT programming Lucas De Marchi
2019-08-20 10:33   ` Chris Wilson
2019-08-17  9:38 ` [PATCH v2 33/40] drm/i915/tgl/perf: use the same oa ctx_id format as icl Lucas De Marchi
2019-08-21 12:36   ` Lionel Landwerlin
2019-08-17  9:38 ` [PATCH v2 34/40] drm/i915/perf: add a parameter to control the size of OA buffer Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 35/40] drm/i915/tgl: Add perf support on TGL Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 36/40] drm/i915/tgl: Gen-12 display loses Yf tiling and legacy CCS support Lucas De Marchi
2019-08-17  9:38 ` [PATCH v2 37/40] drm/framebuffer/tgl: Format modifier for Intel Gen-12 render compression Lucas De Marchi
2019-08-21 14:34   ` Lisovskiy, Stanislav
2019-08-17  9:39 ` [PATCH v2 38/40] drm/i915/tgl: Gen-12 render decompression Lucas De Marchi
2019-08-17  9:39 ` [PATCH v2 39/40] drm/framebuffer/tgl: Format modifier for Intel Gen-12 media compression Lucas De Marchi
2019-08-21 14:40   ` Lisovskiy, Stanislav
2019-08-17  9:39 ` [PATCH v2 40/40] drm/i915/tgl: " Lucas De Marchi
2019-08-21 14:36   ` Lisovskiy, Stanislav
2019-08-17  9:49 ` ✗ Fi.CI.CHECKPATCH: warning for Tiger Lake batch 3 (rev2) Patchwork
2019-08-17 10:03 ` ✗ Fi.CI.SPARSE: " Patchwork
2019-08-17 10:12 ` ✗ Fi.CI.BAT: failure " Patchwork
2019-08-20 10:28 ` ✗ Fi.CI.CHECKPATCH: warning for Tiger Lake batch 3 (rev3) Patchwork
2019-08-20 10:42 ` ✗ Fi.CI.SPARSE: " Patchwork
2019-08-20 12:15 ` ✗ Fi.CI.BAT: failure " Patchwork
2019-08-20 12:36 ` ✓ Fi.CI.BAT: success " Patchwork
2019-08-20 17:59 ` ✓ Fi.CI.IGT: " Patchwork
2019-08-20 22:30 ` ✗ Fi.CI.BAT: failure for Tiger Lake batch 3 (rev4) Patchwork

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