From: Swapnil Patel <swapnil.pa...@amd.com>

[Why]
DCN301 resource function is missing function pointer to
handle cases with unknown plane state.
This causes assertion when global state is validated while
using swizzle parameter as “DC_UNKNOWN”

[How]
Add function pointer to handle and patch cases when plane
state is unknown.

Acked-by: Aurabindo Pillai <aurabindo.pil...@amd.com>
Signed-off-by: Swapnil Patel <swapnil.pa...@amd.com>
Reviewed-by: Sung joon Kim <sungjoon....@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
index 8cf10351f271..ee62ae3eb98f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
@@ -1414,7 +1414,8 @@ static struct resource_funcs dcn301_res_pool_funcs = {
        .find_first_free_match_stream_enc_for_link = 
dcn10_find_first_free_match_stream_enc_for_link,
        .acquire_post_bldn_3dlut = dcn30_acquire_post_bldn_3dlut,
        .release_post_bldn_3dlut = dcn30_release_post_bldn_3dlut,
-       .update_bw_bounding_box = dcn301_update_bw_bounding_box
+       .update_bw_bounding_box = dcn301_update_bw_bounding_box,
+       .patch_unknown_plane_state = dcn20_patch_unknown_plane_state
 };
 
 static bool dcn301_resource_construct(
-- 
2.39.0

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