linux-kernel - Re: 6.10/bisected/regression - commits bc87d666c05 and 6d4279cb99ac cause appearing green flashing bar on top of screen on Radeon 6900XT and 120Hz

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Date: Mon, 10 Jun 2024 02:19:10 +0500
From: Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
To: Alex Deucher <alexdeucher@...il.com>
Cc: Hamza Mahfooz <hamza.mahfooz@....com>, Rodrigo.Siqueira@....com, 
	"Deucher, Alexander" <alexander.deucher@....com>, amd-gfx list <amd-gfx@...ts.freedesktop.org>, 
	dri-devel <dri-devel@...ts.freedesktop.org>, 
	Linux List Kernel Mailing <linux-kernel@...r.kernel.org>, 
	Linux regressions mailing list <regressions@...ts.linux.dev>
Subject: Re: 6.10/bisected/regression - commits bc87d666c05 and 6d4279cb99ac
 cause appearing green flashing bar on top of screen on Radeon 6900XT and 120Hz

On Fri, Jun 7, 2024 at 6:39 PM Alex Deucher <alexdeucher@...il.com> wrote:
>
> --- a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c
> +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c
> @@ -944,7 +944,7 @@ void optc1_set_drr(
>                                 OTG_V_TOTAL_MAX_SEL, 1,
>                                 OTG_FORCE_LOCK_ON_EVENT, 0,
>                                 OTG_SET_V_TOTAL_MIN_MASK_EN, 0,
> -                               OTG_SET_V_TOTAL_MIN_MASK, 0);
> +                               OTG_SET_V_TOTAL_MIN_MASK, (1 << 1)); /* TRIGA */
>
>                 // Setup manual flow control for EOF via TRIG_A
>                 optc->funcs->setup_manual_trigger(optc);

Thanks, Alex.
I applied this patch on top of 771ed66105de and unfortunately the
issue is not fixed.
I saw a green flashing bar on top of the screen again.

-- 
Best Regards,
Mike Gavrilov.