* [PATCH] Revert "drm/amd/display: disable stream if pixel clock changed with link active"
@ 2020-12-14 21:53 Alex Deucher
2020-12-14 22:30 ` Borislav Petkov
0 siblings, 1 reply; 2+ messages in thread
From: Alex Deucher @ 2020-12-14 21:53 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher, Borislav Petkov
This reverts commit 8353d30e747f4e5cdd867c6b054dbb85cdcc76a9.
This causes a hang on a carrizo based laptop. Revert until we can fix
it properly.
Cc: Borislav Petkov <bp@alien8.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 58eb0d69873a..5a1340baade2 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -895,6 +895,7 @@ static void disable_vbios_mode_if_required(
if (stream->link->local_sink &&
stream->link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
link = stream->link;
+ break;
}
if (link != NULL && link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
--
2.25.4
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Revert "drm/amd/display: disable stream if pixel clock changed with link active"
2020-12-14 21:53 [PATCH] Revert "drm/amd/display: disable stream if pixel clock changed with link active" Alex Deucher
@ 2020-12-14 22:30 ` Borislav Petkov
0 siblings, 0 replies; 2+ messages in thread
From: Borislav Petkov @ 2020-12-14 22:30 UTC (permalink / raw)
To: Alex Deucher; +Cc: Alex Deucher, amd-gfx
On Mon, Dec 14, 2020 at 04:53:39PM -0500, Alex Deucher wrote:
> This reverts commit 8353d30e747f4e5cdd867c6b054dbb85cdcc76a9.
>
> This causes a hang on a carrizo based laptop. Revert until we can fix
> it properly.
>
> Cc: Borislav Petkov <bp@alien8.de>
Reported-by: me
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
> ---
> drivers/gpu/drm/amd/display/dc/core/dc.c | 1 +
> 1 file changed, 1 insertion(+)
Lemme know if I should test fixes.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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2020-12-14 21:53 [PATCH] Revert "drm/amd/display: disable stream if pixel clock changed with link active" Alex Deucher
2020-12-14 22:30 ` Borislav Petkov
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