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authorDillon Varone <dillon.varone@amd.com>2022-04-13 17:54:19 -0400
committerAlex Deucher <alexander.deucher@amd.com>2022-06-03 16:45:00 -0400
commit2267a195e28cc438cb45936c4562f958502d4038 (patch)
tree78783248f7fd34ff31ff3b34f03dbd12651f3b5c /drivers/gpu/drm
parent2cfe34e18970d26bff73c63f16c76dae22138d19 (diff)
drm/amd/display: Disable DTB Ref Clock Switching in dcn32
[How & Why] To be enabled once PMFW supports it. Signed-off-by: Dillon Varone <dillon.varone@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
index 774de29fa532..f147c65137c6 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
@@ -607,6 +607,10 @@ void dcn32_clk_mgr_construct(
if (clk_mgr->base.dentist_vco_freq_khz == 0)
clk_mgr->base.dentist_vco_freq_khz = 4300000; /* Updated as per HW docs */
+ if (clk_mgr->dccg->ref_dtbclk_khz != clk_mgr->base.boot_snapshot.dtbclk) {
+ clk_mgr->dccg->ref_dtbclk_khz = clk_mgr->base.boot_snapshot.dtbclk;
+ }
+
if (clk_mgr->base.boot_snapshot.dprefclk != 0) {
//ASSERT(clk_mgr->base.dprefclk_khz == clk_mgr->base.boot_snapshot.dprefclk);
//clk_mgr->base.dprefclk_khz = clk_mgr->base.boot_snapshot.dprefclk;