drm/amd/display: Remove unnecessary variable

There is no need to use dc_version in the dc_construct_ctx since this
value is copied to dc_ctx->dce_version later. This commit removes the
extra steps.
Reviewed-by: NAlex Hung <alex.hung@amd.com>
Acked-by: NAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: NRodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: NDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -857,7 +857,6 @@ static bool dc_construct_ctx(struct dc *dc,
 		const struct dc_init_data *init_params)
 {
 	struct dc_context *dc_ctx;
-	enum dce_version dc_version = DCE_VERSION_UNKNOWN;
 
 	dc_ctx = kzalloc(sizeof(*dc_ctx), GFP_KERNEL);
 	if (!dc_ctx)
@@ -875,8 +874,7 @@ static bool dc_construct_ctx(struct dc *dc,
 
 	/* Create logger */
 
-	dc_version = resource_parse_asic_id(init_params->asic_id);
-	dc_ctx->dce_version = dc_version;
+	dc_ctx->dce_version = resource_parse_asic_id(init_params->asic_id);
 
 	dc_ctx->perf_trace = dc_perf_trace_create();
 	if (!dc_ctx->perf_trace) {