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Like it was done in commit 9e180d9991dc ("drm/i915: Downgrade unknown
firmware warnings") for huc and guc: downgrade CSR firmware warnings. If
we have released no firmware yet for a platform, stop scaring the
consumer and merely note its expected absence.
By simply removing the warning and early return we hit the condition
with the appropriate message.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181117004234.23437-2-lucas.demarchi@intel.com
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Before commit d8a5b7d79fb7 ("drm/i915/csr: keep max firmware size together
with firmare name and version") it was possible to load the firmware for
testing purposes via parameter. Let's use the size of the last known
platform to recover that behavior.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181117004234.23437-1-lucas.demarchi@intel.com
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When there is no output no one will hold a runtime_pm reference
causing a warning when trying to read emom_status in debugfs.
[22.756480] ------------[ cut here ]------------
[22.756489] RPM wakelock ref not held during HW access
[22.756578] WARNING: CPU: 0 PID: 1058 at drivers/gpu/drm/i915/intel_drv.h:2104 gen5_read32+0x16b/0x1a0 [i915]
[22.756580] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic i915 coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core e1000e snd_pcm mei_me prime_numbers mei lpc_ich
[22.756595] CPU: 0 PID: 1058 Comm: debugfs_test Not tainted 4.20.0-rc1-CI-Trybot_3219+ #1
[22.756597] Hardware name: Hewlett-Packard HP Compaq 8100 Elite SFF PC/304Ah, BIOS 786H1 v01.13 07/14/2011
[22.756634] RIP: 0010:gen5_read32+0x16b/0x1a0 [i915]
[22.756637] Code: a4 ea e0 0f 0b e9 d2 fe ff ff 80 3d a5 71 19 00 00 0f 85 d3 fe ff ff 48 c7 c7 48 d0 2d a0 c6 05 91 71 19 00 01 e8 35 a4 ea e0 <0f> 0b e9 b9 fe ff ff e8 69 c6 f2 e0 85 c0 75 92 48 c7 c2 78 d0 2d
[22.756639] RSP: 0018:ffffc90000f1fd38 EFLAGS: 00010282
[22.756642] RAX: 0000000000000000 RBX: ffff8801f7ab0000 RCX: 0000000000000006
[22.756643] RDX: 0000000000000006 RSI: ffffffff8212886a RDI: ffffffff820d6d57
[22.756645] RBP: 0000000000011020 R08: 0000000043e3d1a8 R09: 0000000000000000
[22.756647] R10: ffffc90000f1fd80 R11: 0000000000000000 R12: 0000000000000001
[22.756649] R13: ffff8801f7ab0068 R14: 0000000000000001 R15: ffff88020d53d188
[22.756651] FS: 00007f2878849980(0000) GS:ffff880213a00000(0000) knlGS:0000000000000000
[22.756653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[22.756655] CR2: 00005638deedf028 CR3: 0000000203292001 CR4: 00000000000206f0
[22.756657] Call Trace:
[22.756689] i915_mch_val+0x1b/0x60 [i915]
[22.756721] i915_emon_status+0x45/0xd0 [i915]
[22.756730] seq_read+0xdb/0x3c0
[22.756736] ? lockdep_hardirqs_off+0x94/0xd0
[22.756740] ? __slab_free+0x24e/0x510
[22.756746] full_proxy_read+0x52/0x90
[22.756752] __vfs_read+0x31/0x170
[22.756759] ? do_sys_open+0x13b/0x240
[22.756763] ? rcu_read_lock_sched_held+0x6f/0x80
[22.756766] vfs_read+0x9e/0x140
[22.756770] ksys_read+0x50/0xc0
[22.756775] do_syscall_64+0x55/0x190
[22.756781] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[22.756783] RIP: 0033:0x7f28781dc34e
[22.756786] Code: 00 00 00 00 48 8b 15 71 8c 20 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 0f 1f 40 00 8b 05 ba d0 20 00 85 c0 75 16 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5a f3 c3 0f 1f 84 00 00 00 00 00 41 54 55 49
[22.756787] RSP: 002b:00007ffd33fa0d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[22.756790] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28781dc34e
[22.756792] RDX: 0000000000000200 RSI: 00007ffd33fa0d50 RDI: 0000000000000008
[22.756794] RBP: 00007ffd33fa0f60 R08: 0000000000000000 R09: 0000000000000020
[22.756796] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638de45c2c0
[22.756797] R13: 00007ffd33fa14b0 R14: 0000000000000000 R15: 0000000000000000
[22.756806] irq event stamp: 47950
[22.756811] hardirqs last enabled at (47949): [<ffffffff810fba74>] vprintk_emit+0x124/0x320
[22.756813] hardirqs last disabled at (47950): [<ffffffff810019b0>] trace_hardirqs_off_thunk+0x1a/0x1c
[22.756816] softirqs last enabled at (47518): [<ffffffff81c0033a>] __do_softirq+0x33a/0x4b9
[22.756820] softirqs last disabled at (47479): [<ffffffff8108df29>] irq_exit+0xa9/0xc0
[22.756858] WARNING: CPU: 0 PID: 1058 at drivers/gpu/drm/i915/intel_drv.h:2104 gen5_read32+0x16b/0x1a0 [i915]
[22.756860] ---[ end trace bf56fa7d6a3cbf7a ]
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181119230101.32460-1-jose.souza@intel.com
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