From: "Xi (Alex) Liu" <xi....@amd.com>

[ Upstream commit de2d1105a3757742b45b0d8270b3c8734cd6b6f8 ]

[Why and how]

External display has corruption because no root clock control function. Add the 
function pointer to fix the issue.

Reviewed-by: Daniel Miess <daniel.mi...@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com>
Acked-by: Roman Li <roman...@amd.com>
Signed-off-by: Xi (Alex) Liu <xi....@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c 
b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
index 143d3fc0221cf..069e48573f4a9 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
@@ -147,6 +147,7 @@ static const struct hwseq_private_funcs 
dcn351_private_funcs = {
        //.hubp_pg_control = dcn35_hubp_pg_control,
        .enable_power_gating_plane = dcn35_enable_power_gating_plane,
        .dpp_root_clock_control = dcn35_dpp_root_clock_control,
+       .dpstream_root_clock_control = dcn35_dpstream_root_clock_control,
        .program_all_writeback_pipes_in_tree = 
dcn30_program_all_writeback_pipes_in_tree,
        .update_odm = dcn35_update_odm,
        .set_hdr_multiplier = dcn10_set_hdr_multiplier,
-- 
2.43.0

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