dce_clock_set_min_clocks_state() assigns (intentionally) a value of type
'enum dm_pp_clocks_state' to a variable of type 'enum dm_pp_power_level'
without an explicit cast. This causes clang to raise the following
warning:

drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_clocks.c:308:4: error:
  implicit conversion from enumeration type 'enum dm_pp_clocks_state'
  to different enumeration type 'enum dm_pp_power_level' 
[-Werror,-Wenum-conversion]
    clocks_state };

Make the cast explicit.

Signed-off-by: Matthias Kaehlcke <m...@chromium.org>
---
 drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c 
b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
index 9e98a5f39a6d..db3ceb283255 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
@@ -304,7 +304,8 @@ static bool dce_clock_set_min_clocks_state(
        enum dm_pp_clocks_state clocks_state)
 {
        struct dm_pp_power_level_change_request level_change_req = {
-                       clocks_state };
+               .power_level = (enum dm_pp_power_level)clocks_state
+       };
 
        if (clocks_state > clk->max_clks_state) {
                /*Requested state exceeds max supported state.*/
-- 
2.16.0.rc1.238.g530d649a79-goog

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