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authorNicholas Kazlauskas <nicholas.kazlauskas@amd.com>2019-10-30 09:02:39 -0400
committerAlex Deucher <alexander.deucher@amd.com>2019-11-19 10:12:52 -0500
commitab16c7363df1827599fd726b7467038d146c154e (patch)
tree97965e0f03117b62ec78c2e020360b4ddeffc6ac /drivers/gpu/drm/amd/display/dmub/src
parentc09eeee4f3a704ba4b5b743fdc34520f2e9d503d (diff)
drm/amd/display: Add DMUB param to load inst const from driver
[Why] By default we shouldn't be trying to write secure registers during DMUB hardware init. [How] Add a parameter to control whether we put the DMCUB into secure reset and attempt to load CW0/CW1. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src')
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 2d63ae80bda9..0dd32edbbcb3 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -278,7 +278,7 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
cw1.region.base = DMUB_CW1_BASE;
cw1.region.top = cw1.region.base + stack_fb->size - 1;
- if (dmub->hw_funcs.backdoor_load)
+ if (params->load_inst_const && dmub->hw_funcs.backdoor_load)
dmub->hw_funcs.backdoor_load(dmub, &cw0, &cw1);
}