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authorTaimur Hassan <syed.hassan@amd.com>2024-01-16 18:10:54 -0500
committerAlex Deucher <alexander.deucher@amd.com>2024-01-29 15:42:36 -0500
commitf341055b10bd8be55c3c995dff5f770b236b8ca9 (patch)
treef85389e5c44b5b6f92a1e1acd89137012cc2ed92
parent5549c37e3cf2db848d898829c9833d16e2bcdd1b (diff)
drm/amd/display: Send DTBCLK disable message on first commit
[Why] Previous patch to allow DTBCLK disable didn't address boot case. Driver thinks DTBCLK is disabled by default, so we don't send disable message to PMFW. DTBCLK is then enabled at idle desktop on boot, burning power. [How] Set dtbclk_en to true on boot so that disable message is sent during first commit. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Tom Chung <chiahsuan.chung@amd.com> Signed-off-by: Taimur Hassan <syed.hassan@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index 0e5a3184f01c4..3d1a60cc29089 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -415,6 +415,7 @@ void dcn35_init_clocks(struct clk_mgr *clk_mgr)
memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
// Assumption is that boot state always supports pstate
+ clk_mgr->clks.dtbclk_en = true;
clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk
clk_mgr->clks.p_state_change_support = true;
clk_mgr->clks.prev_p_state_change_support = true;