[PATCH 30/82] drm/amd/display: Add hook to disable alt-ch in PMO

<[email protected]>
Newsgroups org.freedesktop.lists.amd-gfx
Message-ID <[email protected]>
From: Alvin Lee <[email protected]>

[Why&How]
DML should have a method of disabling alt-ch pstate method.
Add a debug mask bit to disable the alt-ch pstate method in PMO.

Reviewed-by: Dillon Varone <[email protected]>
Signed-off-by: Alvin Lee <[email protected]>
Signed-off-by: Ivan Lipski <[email protected]>
---
 .../drm/amd/display/dc/dml2_0/dml21/dml21_translation_helper.c   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_translation_helper.c
index f4f848d738208..d456fb3d616d4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_translation_helper.c
@@ -31,6 +31,7 @@ static void dml21_populate_pmo_options(struct dml2_pmo_options *pmo_options,
 			disable_fams2;
 	pmo_options->disable_drr_var = ((in_dc->debug.dml21_disable_pstate_method_mask >> 4) & 1) ||
 			disable_fams2;
+	pmo_options->disable_alternate_memory_training = ((in_dc->debug.dml21_disable_pstate_method_mask >> 5) & 1);
 	pmo_options->disable_fams2 = disable_fams2;
 
 	pmo_options->disable_drr_var_when_var_active = in_dc->debug.disable_fams_gaming == INGAME_FAMS_DISABLE ||
-- 
2.43.0
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.