* [PATCH] drm/amdgpu/display: change pipe policy for DCN 2.0
@ 2022-02-03 18:58 Alex Deucher
2022-02-04 16:38 ` Harry Wentland
0 siblings, 1 reply; 2+ messages in thread
From: Alex Deucher @ 2022-02-03 18:58 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
Fixes hangs on driver load on DCN 2.0 parts.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=215511
Fixes: ee2698cf79cc ("drm/amd/display: Changed pipe split policy to allow for multi-display pipe split")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index fcf388b509db..d9b3f449bf9b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -1069,7 +1069,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.timing_trace = false,
.clock_trace = true,
.disable_pplib_clock_request = true,
- .pipe_split_policy = MPC_SPLIT_DYNAMIC,
+ .pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP,
.force_single_disp_pipe_split = false,
.disable_dcc = DCC_ENABLE,
.vsr_support = true,
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/amdgpu/display: change pipe policy for DCN 2.0
2022-02-03 18:58 [PATCH] drm/amdgpu/display: change pipe policy for DCN 2.0 Alex Deucher
@ 2022-02-04 16:38 ` Harry Wentland
0 siblings, 0 replies; 2+ messages in thread
From: Harry Wentland @ 2022-02-04 16:38 UTC (permalink / raw)
To: Alex Deucher, amd-gfx
On 2022-02-03 13:58, Alex Deucher wrote:
> Fixes hangs on driver load on DCN 2.0 parts.
>
> Bug: https://bugzilla.kernel.org/show_bug.cgi?id=215511
> Fixes: ee2698cf79cc ("drm/amd/display: Changed pipe split policy to allow for multi-display pipe split")
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Harry
> ---
> drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> index fcf388b509db..d9b3f449bf9b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> @@ -1069,7 +1069,7 @@ static const struct dc_debug_options debug_defaults_drv = {
> .timing_trace = false,
> .clock_trace = true,
> .disable_pplib_clock_request = true,
> - .pipe_split_policy = MPC_SPLIT_DYNAMIC,
> + .pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP,
> .force_single_disp_pipe_split = false,
> .disable_dcc = DCC_ENABLE,
> .vsr_support = true,
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-02-03 18:58 [PATCH] drm/amdgpu/display: change pipe policy for DCN 2.0 Alex Deucher
2022-02-04 16:38 ` Harry Wentland
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