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Subject: [Bug 210321] /display/dc/dcn20/dcn20_resource.c:3240 dcn20_validate_bandwidth_fp+0x8b/0xd0 [amdgpu]
Date: Fri, 12 Mar 2021 15:58:43 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

--- Comment #5 from Tristen Hayfield ( ---
I did some more digging into this. I put some logging inside the if block to
see if that branch is ever taken:

        if (voltage_supported && dummy_pstate_supported) {
                context-> = false;
                goto restore_dml_state;

in order to log when or if the fallback worked. The logs confirmed that the
fallback is often used and generally works. Upon starting up the system and
starting up Xorg I get about a dozen log messages indicating that it entered
the if block. The only exception seems to be as Florian describes above, that
when the display shuts off due to power-saving it triggers the assertion.

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      parent reply	other threads:[~2021-03-12 15:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-23 16:45 [Bug 210321] New: /display/dc/dcn20/dcn20_resource.c:3240 dcn20_validate_bandwidth_fp+0x8b/0xd0 [amdgpu] bugzilla-daemon
2020-12-27 20:17 ` [Bug 210321] " bugzilla-daemon
2021-01-07  2:49 ` bugzilla-daemon
2021-01-19 22:25 ` bugzilla-daemon
2021-03-12 12:31 ` bugzilla-daemon
2021-03-12 15:58 ` bugzilla-daemon [this message]

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