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From: KARBOWSKI Piotr <piotr.karbowski-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Harry Wentland <harry.wentland-5C7GfCeVMHo@public.gmane.org>,
	Tom St Denis <tstdenis-5C7GfCeVMHo@public.gmane.org>
Cc: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: Modesetting (amdgpudrmfb) artifacts on RAVEN APU
Date: Wed, 7 Mar 2018 22:23:12 +0100	[thread overview]
Message-ID: <1f46c520-720a-8fef-0fd2-2a8845c8a361@gmail.com> (raw)
In-Reply-To: <d5cd41f1-07d6-0e6f-ce8e-b03b4c72f145-5C7GfCeVMHo@public.gmane.org>

On 2018-03-07 22:15, Harry Wentland wrote:
> amd-stg has some other patches relating to DCN pipe-split that I don't fully understand. We might need one or more of those.
> 
> As a workaround you can probably set 'force_single_disp_pipe_split' to 'false' in 'debug_defaults_drv' in dc/dcn10/dcn10_resource.c.


Thank you for the information. This indeed make it working on 
drm-fixes-4.16.


diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 44825e2c9ebb..df5eefbcc854 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -444,7 +444,7 @@ static const struct dc_debug debug_defaults_drv = {
                 .disable_pplib_wm_range = false,
                 .pplib_wm_report_mode = WM_REPORT_DEFAULT,
                 .pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP,
-               .force_single_disp_pipe_split = true,
+               .force_single_disp_pipe_split = false,
                 .disable_dcc = DCC_ENABLE,
                 .voltage_align_fclk = true,
                 .disable_stereo_support = true,


-- Piotr.
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      parent reply	other threads:[~2018-03-07 21:23 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-05 16:40 Modesetting (amdgpudrmfb) artifacts on RAVEN APU KARBOWSKI Piotr
     [not found] ` <58ac616f-a10a-3452-03c9-a85e6bd88626-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-06 11:18   ` Tom St Denis
     [not found]     ` <6919064d-1d4e-0497-b362-930385386817-5C7GfCeVMHo@public.gmane.org>
2018-03-06 16:13       ` Alex Deucher
     [not found]         ` <CADnq5_PHLLUqmZEnJwvpiYeJNRWT3VXnUGG63G-isLiAW0mjow-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-06 16:54           ` Harry Wentland
2018-03-06 17:27       ` KARBOWSKI Piotr
     [not found]         ` <9a7a291e-389f-7489-4c12-2f5ca5414231-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-06 17:28           ` Tom St Denis
     [not found]             ` <06b14296-69ce-d9cc-65f2-3f177f16699a-5C7GfCeVMHo@public.gmane.org>
2018-03-06 17:38               ` KARBOWSKI Piotr
     [not found]                 ` <8f4384fe-afe3-08d0-595e-ab8b1c875bf9-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-07 12:55                   ` Tom St Denis
     [not found]                     ` <631c113d-759a-46ef-bdc5-3440a73f65ec-5C7GfCeVMHo@public.gmane.org>
2018-03-07 14:55                       ` Harry Wentland
     [not found]                         ` <194c1d6d-b95d-94ec-32be-054c08fcdd95-5C7GfCeVMHo@public.gmane.org>
2018-03-07 16:14                           ` Harry Wentland
     [not found]                             ` <2aaf5555-06a0-02e0-7ea8-e5bfa20c7894-5C7GfCeVMHo@public.gmane.org>
2018-03-07 16:34                               ` Tom St Denis
2018-03-07 16:48                               ` KARBOWSKI Piotr
     [not found]                                 ` <4f02bd26-8fe9-fac4-f069-73e4b20fc375-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-07 17:38                                   ` KARBOWSKI Piotr
     [not found]                                     ` <9ea4725e-013e-8ea1-0e1a-72e0a4e0967d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-07 19:12                                       ` Harry Wentland
     [not found]                                         ` <5cbfa859-13f4-fc2a-54b7-a72ff641e5c8-5C7GfCeVMHo@public.gmane.org>
2018-03-07 19:16                                           ` Tom St Denis
     [not found]                                             ` <bf171213-db45-a4f0-1e76-2a411183c65d-5C7GfCeVMHo@public.gmane.org>
2018-03-07 19:37                                               ` Harry Wentland
2018-03-07 19:31                                           ` KARBOWSKI Piotr
     [not found]                                             ` <c397a678-aa2d-275a-dd6d-5876a7a7dcc1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-07 19:54                                               ` KARBOWSKI Piotr
     [not found]                                                 ` <4e05ffe5-477f-8764-9c87-30113ae0a7a7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-07 21:15                                                   ` Harry Wentland
     [not found]                                                     ` <d5cd41f1-07d6-0e6f-ce8e-b03b4c72f145-5C7GfCeVMHo@public.gmane.org>
2018-03-07 21:23                                                       ` KARBOWSKI Piotr [this message]

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